Friday, January 6, 2012

universal joints , universal couplings , u joints , cardan shafts , propeller shafts , axel joint , automobile joint , propeller shafts ,



www.vardhmanbearings.com

we at vardhman bearings are manufacturers importers dealers stockist of universal joints u joints cross joints properller shafts cardan shafts driven shafts dealers stockist cross bearings

Introduction : OKI Universal Joints provide a simple & economic method of connecting two shafts whose axes are inclined at an angle. They are also used when the angle varies during rotation eliminating the need for the complicated & expensive mechanisms usually associated with this type of application.

Lubrication : For both intermittent & continuously rated joints where constant lubrication (such as an oil bath) is not available joint covers for grease packing are recommended.
We introduce our self as manufacturer of all type of universal joints

These universal joints also named as u joint , cross joint , cardon shafts , ball joints , hooke joints , hook joints , hardy spicer joints , cardon joints , consant velocity joint , telescopic universal joints , ball type universal joint , universal joint with spline attachment , universal joint with needle bearings , hook type universal joint , steering joints , steering universal joints , textile joints , machine joints , end joints , hinged joints , universal couplings , fexible couplings , universal joints , u joints , cardon shafts , propeller joints , propeller shafts , universal propeller shafts , hinged universal coupling , cross joints , constant velocity universal joints , trunnion joints , cv joints , billet joints , car universal joints , robot joints , shaft joints , Bendix-Weiss universal joint , tradelink joints , heavy duty universal joints , front universal joints , rear universal joints , cardan universal joints , double universal joints , single universal joint , yoke joint , yoke universal joint , universal joint kit , spider joints , spicer joints , trasmil joints , Steering Column Universal Joint , lovejoy universal joints ,Speed Rzeppa Universal Joint , rear end joints , extended joint , extended universal joint , chrome universal joint , propshaft universal joint , rather crude universal joint , federal mogul universal joint , servo actuator universal joint , driven joints , driven universal joints , drive shaft universal joint , apex universal joints , vardhman universal joints , Johnson power universal joints , steering universal joint , speeder universal joints , angle joints , angle universal joints , gear hub joints , gear hub universal joints , lego universal joints , universal coupling joints , axle universal joints , axle u joint , end yoke joints , uj joints , uj universal joints , u joints , u joints universal joints , ball socket joints , ball socket universal joint , weaver leaver universal joint , ronstan flexible universal joint , ina universal joint , u bolt joint , u bolt universal joint , alignment joint , alignment universal joint , socket joints , socket universal joints , tradelink universal joint , cross and cup universal joint , keyway joints , rod end bearings , rod end universal joint , clevis joints , heim joints , hiem joints ,



We manufacturer all type of universal joints , hook type universal joint , pin type universal joint , ball type universal joint , needle bearing type universal joint , universal joint with needle bearing , telescopic universal joint , harden universal joint , universal joint with spline attachment , universal joint with square bore , universal joint hex bore , universal joint keyway , as per customer requirement , universal joint for high speed , universal joint for high rpm , heavy duty universal joint , light duty universal joint , plastic universal joint , stainless steel universal joint , ss universal joint , stainless steel universal joint , flexible universal joint , cardon shaft universal joint , pin type universal joint , welded universal joint , double universal joint , double universal joint with spline , single universal joint ,





U joint, Cardan joint, Hardy-Spicer joint, or Hooke's joint is a joint in a rigid rod that allows the rod to 'bend' in any direction, and is commonly used in shafts that transmit rotary motion. It consists of a pair of hinges located close together, oriented at 90° relative to each other, connected by a cross shaft.

These Universal joint are manily used in automobile , textile , machines , weaving machines , packing machines , spm , filling machines , looms , steering , mills , milling machines , automatic machines , box making machines , construction machines , mining machines , drilling machines , multi spindle drilling machines , rubber machines , packing machines , printing machines , machines , welding machines , cnc machines , cnc lathe , cnc drilling machines , plastic machines , injection machines , laboratory equipments , chemical plants , heavy industry , construction machines , cement plants , cement filling palnts , bottling plants , hydraulic machine , pneumatic machine , rolling mills , robots , cars , assembling machines , material handling machines , steering machines , fixing machines , ATM , fax machines , reactors , trackters , trackter , truck , bulldozer , road macking machines , road marking machines , drilling machines , concert mixing machines , mixtures , rotary machines , spm , agricultural machines , farming machines , poultry machines , automatic machines , gaming machines , gambling machines , building machines , weaving machines , welding machines , weighting machines , weighing machines , grinding machines , switchgear , wire machines , r and d machines , laboratory machines , hardening machines , furnaces , looms , rotary machines , propeller machines , air crafts , marking machines , vending machines , washing machines , virtual machines , crazy machines , complex machines , yard machine , lfiting machines , cranes , slot machines , marking machines , broaching machines , casting machines , forging machines , cigarette making machines , candy making machines , block making machine , soda machines , fog machines , sewing machine ,


Thanking u

Jigesh shah
For vardhman bearings
9819824531
9892432411


DO VISIT ALL OUR WEBSITES FOR ALL OUR PRODUCTS

http://www.vardhmanbearings.com

http://www.arihantengineers.com

http://www.veerenterprises.com

http://www.ranjanaarts.com

http://www.gear-couplings.webs.com/



also for online chatting add us to following

HOTMAIL MSN : jigesh2007@hotmail.com

YAHOO MSG : jigesh2007@yahoo.co.in

SKYPE : jigesh2007

VARDHMAN BEARINGS

D-103, VASANT AISHWARIYA
MATHURADAS EXTN RD
KANDIVALI WEST
MUMBAI -400067
MAHARASHTRA
TEL: 91-22-28627454
TEL/FAX: 91-22-28653894 , 28656188
CELL : 9819824531 , 9892432411
EMAIL : jigesh2007@hotmail.com

stieber free wheels one way clutch bearings one way series bearings one side moving bearings one side stop bearings stieber germany india stockiest a



www.vardhamanbearings.com

www.arihantengineers.com






Stieber bearings dealer manufacturer exporters importers in India , stieber bearings authorize distributor in India , seller of stieber bearings in India , one way clutches stieber bearings , backstop bearings clutches in India , stieber bearings , over running clutches in stieber make ,

What can industrial freewheels do ?
RIV Company is the Egyptian agent of STIEBER GmbH, specialized in freewheels, freewheels are directional couplings, which means that the driving member rotates the driven member in one direction, while automatically disengaging itself from the driven member when the direction of rotation is reversed, the two operating states are:
1. Transmission of torque.
2. Idling (overrunning).

The freewheels may be employed as:
a. Overrunning clutch, the freewheel disengages automatically when the driven member rotates faster than the driving member.
b. Indexing clutch, the freewheel allows the conversion of reciprocating motion into rotational movement.
c. Backstop, the freewheel allows rotation in one direction only, it overruns continuously during operation, the freewheel prevents reverse rotation if the drive is disconnected.
Two basic versions are available, the overrunning speed determines the selection of the appropriate model:
1. Grip-roller freewheels for low to medium overrunning speeds and for indexing clutches.
2. Sprag freewheels for high overrunning speeds and for backstops.


Installed in a drive system as an overrrunning clutch,they automatically disengage a faster-running driven part from a slowerdriving part.
APPLICATIONS • Ventilators
• Standby drives shredders
• Butcher machines
• Rotary furnaces
• Dry cleanning installations


Used as backstops, they automatically prevent unintentionalrotation opposite to the desired direction of drive, without having toapply external energy.
APPLICATIONS • Gear drives
• Motors
• Pumps
• Elevators
• Conveyors, cranes


Applied as indexing clutches, they transform reciprocalmotion into intermittent rotation.
APPLICATIONS • Printing machines
• Packing machines
• Sewing machines
• Feeding mechanisns


Used as single revolution clutches, with exactnessand indexing accuracy, they enable coupling and disengagement of continuouslyrunning drives and periodically operated installations.
APPLICATIONS • Printing machines
• Packing machines
• Sewing machines
• Feeding mechanisns



Installed in a drive system as an overrrunning clutch,they automatically disengage a faster-running driven part from a slowerdriving part.
APPLICATIONS • Ventilators
• Standby drives shredders
• Butcher machines
• Rotary furnaces
• Dry cleanning installations


Used as backstops, they automatically prevent unintentionalrotation opposite to the desired direction of drive, without having toapply external energy.
APPLICATIONS • Gear drives
• Motors
• Pumps
• Elevators
• Conveyors, cranes


Applied as indexing clutches, they transform reciprocalmotion into intermittent rotation.
APPLICATIONS • Printing machines
• Packing machines
• Sewing machines
• Feeding mechanisns


Used as single revolution clutches, with exactnessand indexing accuracy, they enable coupling and disengagement of continuouslyrunning drives and periodically operated installations.
APPLICATIONS • Printing machines
• Packing machines
• Sewing machines
• Feeding mechanisns


STIEBER in Germany, together with its sister companies WARNER-FORMSPRAG, in USA develop and manufacture the most extensive range of overrunning clutches and backstops available throughout the world. With its two manufacturing locations in Germany it serves both the european and the world market.

STIEBER has more than 60 years experience in development and production of high precision freewheels.
Our extensive network of more than 1000 stocking distributors ensures that we are never far away from our customers. Our research development and engineering capabilities provide our customers with the opportunity to challenge us to produce solutions for their specific requirements. These may vary from a special bore, large diameter, up to purpose designed heavy duty and extremely large models (1.7 million Nm).

STIEBER belongs to the industrial power transmission group of Genstar. Other leading names of the same group include Ameridrives, Boston Gear, Warner Electric and Wichita Clutch.

Stiber bearings one way clutch one way bearing , back stop stieber bearings ,


Thanking u

Jigesh shah
For vardhman bearings
9819824531
9892432411


DO VISIT ALL OUR WEBSITES FOR ALL OUR PRODUCTS

http://www.vardhmanbearings.com

http://www.arihantengineers.com

http://www.veerenterprises.com

http://www.ranjanaarts.com

http://www.gear-couplings.webs.com/



also for online chatting add us to following

HOTMAIL MSN : jigesh2007@hotmail.com

YAHOO MSG : jigesh2007@yahoo.co.in

SKYPE : jigesh2007

VARDHMAN BEARINGS

D-103, VASANT AISHWARIYA
MATHURADAS EXTN RD
KANDIVALI WEST
MUMBAI -400067
MAHARASHTRA
TEL: 91-22-28627454
TEL/FAX: 91-22-28653894 , 28656188
CELL : 9819824531 , 9892432411
EMAIL : jigesh2007@hotmail.com

Wednesday, January 4, 2012

WIB SWISS bearings dealer agent auothorise importer stockiest in INDIA wib bearings vardhman bearings wib bearings





www.vardhmanbearings.com

we are importers stockiest dealers manufacturers of WIB SWISS bearings ,
WIB bearings

We stock huge stock in WIB SWISS BEARINGS , Roulements à Billes de Précision , Precision Ball Bearings , Wälzlager Industriewerke Bulle AG ,

STANDARD BEARINGS
AND VARIABLE OPTIONS

STANDARD BEARINGS VARIABLE OPTIONS

Single row radial ball bearings (inch) ● Choice of variable parameters
● Ring and ball material
● Shields
● Cages
● Tolerances
● Internal Clearances
● Heat Treatment
● Snap Ring
● Duplex Paired Bearings
● Lubrication
● Branding
● Packaging and Labeling


Single row radial ball bearings (metric)

Double row angular contact ball bearings

Self-aligning ball bearing

Single row track rollers
(cylindrical and spherical)

Double row track rollers
(cylindrical and spherical)

Double row track rollers
(with gothic groove)

Designation of the standard bearings basis according to ISO standard

Designation system for WIB standard bearings



Bore Diameter: 3 to 17 mm
Outside diameter: 10 to 42 mm (possibility to extend OD to 47 mm for special cases)
Width - Inner ring: 3 to 20 mm
Width - Outer ring: 3 to 25 mm

File:
WIB_Bearings_Standard_Inch.pdf





Bore Diameter: 3 to 17 mm
Outside diameter: 10 to 42 mm (possibility to extend OD to 47 mm for special cases)
Width - Inner ring: 3 to 20 mm
Width - Outer ring: 3 to 25 mm

File:
WIB_Bearings_Standard_Metric.pdf


STANDARD BEARINGS
Double row angular contact ball bearings


Bore Diameter: 3 to 17 mm
Outside diameter: 10 to 42 mm (possibility to extend OD to 47 mm for special cases)
Width - Inner ring: 3 to 20 mm
Width - Outer ring: 3 to 25 mm

File:
WIB_Bearings_Standard_2RAC.pdf


STANDARD BEARINGS
Self-aligning ball bearing


Bore Diameter: 3 to 17 mm
Outside diameter: 10 to 42 mm (possibility to extend OD to 47 mm for special cases)
Width - Inner ring: 3 to 20 mm
Width - Outer ring: 3 to 25 mm

File:
WIB_Bearings_Standard_SA.pdf



STANDARD BEARINGS
Single row track rollers - cylindrical and spherical


Bore Diameter: 3 to 17 mm
Outside diameter: 10 to 42 mm (possibility to extend OD to 47 mm for special cases)
Width - Inner ring: 3 to 20 mm
Width - Outer ring: 3 to 25 mm

File: WIB_Bearings_Standard_1RTR.pdf



STANDARD BEARINGS
Double row track rollers - cylindrical and spherical


Bore Diameter: 3 to 17 mm
Outside diameter: 10 to 42 mm (possibility to extend OD to 47 mm for special cases)
Width - Inner ring: 3 to 20 mm
Width - Outer ring: 3 to 25 mm

File:
WIB_Bearings_Standard_2RTR.pdf


STANDARD BEARINGS
Double row track rollers - with gothic groove


Bore Diameter: 3 to 17 mm
Outside diameter: 10 to 42 mm (possibility to extend OD to 47 mm for special cases)
Width - Inner ring: 3 to 20 mm
Width - Outer ring: 3 to 25 mm

File:
WIB_Bearings_Standard_2RTR-G.pdf


SPECIAL BEARINGS
AND SPECIAL OPTIONS

Why Use a Special Bearing?
SPECIAL BEARINGS SPECIAL OPTIONS

Wire Guides and
Straightening Rollers ● Material
● Dimensions and geometrical forms
● Internal Construction
● Improvement of the surface characteristics
● Synthetic coatings
● Aspects of the components
● Assembly parameters
● Assembly of the components
● Packaging and Labeling
● Quality documentation
● Profile Codes
● Special Bearings Designation



Bearings for Linear
Guide Systems

Bearings for
Textile Machines
Special bearings for
other applications
Manufacturing of high precision components



SPECIAL BEARINGS
Wire Guides and Straightening Rollers


Field of Application: The straightening of cables, strips and wires is performed in steps with successive stages until the final product is obtained. To rationalize the handling between the different steps the material is stocked on reels or on bobbins and takes forms which are not natural.

For every production step, it is therefore necessary to carry out the inverse process by taking the material off its support. At that moment, the straightening operation takes place. It may be divided into three steps:

1) The straightening, consisting of putting the material back into its original shape. The operation is carried out by the first straightening rollers.

2) The removal of the residual constraint in the material, due to the winding on the bobbin. This operation is performed by the rollers located in the central part of the straightener.

3) The forming of the wire carried out by the last rollers on the straightener, generally placed at an angle of 90° compared to the angle of the first rollers.

Often it is necessary to combine these three steps. That is the reason why the straightener uses 5, 7, 9, 11 or even 13 rollers placed in two planes.

The manufacturing precision of the roller has a major influence on the quality of the final product (wires) as well as on the service life of the rollers. It is therefore essential that the rectified "V" notch on the outer ring has the same geometric characteristics and precision as the rest of the bearing. For this reason, the notch on a WIB roller is machined prior to bearing assembly.


Grinding this notch on an assembled standard bearing is risky, as the bearing may be damaged. An acceptable uniformity and geometrical precision can thus not be guaranteed. The service life of the roller is much shorter and the quality of wire drawing suffers accordingly.

Among numerous applications using thread guides and straightening rollers, WIB has managed to make a name for itself in the field of specialized wire drawing companies, producing steel cables for the tire industry.

The following machines use the same type of special rollers :

● Machine tools for fiberglass cables (lawn mowers)
● Machines for spring manufacturing
● Machines for metal wires
● Machines for spooling, un-spooling and rewinding
● Fine and high precision wire drawing

WIB is equipped with all the necessary tooling for the production of such bearings. The sales of some of these bearings are reserved to the designer of the system.

Profile Guide A - Size Limits and Product Tables


Profile A
V-Groove Bore Diameter: 3 to 17 mm
Outside diameter: 10 to 42 mm (possibility to extend OD to 47 mm for special cases)
Width - Inner ring: 3 to 20 mm
Width - Outer ring: 3 to 25 mm
Product Table: File: WIB_Bearings_ProfileA.pdf



SPECIAL BEARINGS
Bearings for Linear Guide Systems


Field of Application: As a manufacturer of rollers for guidance systems (linear guides)WIB has worked together with customers on the development of several product ranges, supplying the best possible technical and commercial solution to each specific application. The parameters, such as the environment, the precision of functioning, the speed, the temperature, the load, the overturning moment, the boundary dimensions are decisive for defining the most appropriate design.

The above parameters require specific solutions, where the rollers are to be adapted by choosing the Variable Parameters described in the Standard Bearings section and theSpecial Options described in the Special Drawing Bearings section.

The following drawing shows an example of a roller with concave profile, integrated shaft and full complement ball bearing, specially designed for a guide system.


Profiles B, C, D and E may be machined on the outside diameter of the outer ring or on the bore of the inner ring. They are mostly used on rollers for guide systems for the following applications:

● Handling Equipment
● Robotics
● Machine Guidance Systems
● Automation Systems See Examples
Profile Code Information

WIB is equipped with all the necessary tooling for the production of such bearings. The sales of some of these bearings are reserved to the designer of the system.

Size Limits and Product Tables

Bore Diameter: 3 to 17 mm
Outside diameter: 10 to 42 mm (possibility to extend OD to 47 mm for special cases)
Width - Inner ring: 3 to 20 mm
Width - Outer ring: 3 to 25 mm

Profile B
Convex File:
WIB_Bearings_ProfileB.pdf

Profile C
Concave File:
WIB_Bearings_ProfileC.pdf

Profile D and E
Single and Double Chamfer File:
WIB_Bearings_ProfileDE.pdf



SPECIAL BEARINGS
Bearings for Textile Machines


Field of Application: Textile machines are required to run at speeds which are regularly increased, and should be simple to maintain and economical to run. These requirements impose specific solutions, where the following parameters have to be optimized:

● Maximum speed
● Mounting and maintenance conditions
● Working precision
● Machine service life
● Loading Capacity
● Lubrication possibilities offered to the client
● Noise
● Protection against aggressive environments
● Weight

Only bearings specifically developed for each application will cope with the required specifications. With our wide experience in the field of choosing the Variable Parametersand the Special Options, WIB is in a position to offer the most appropriate solution.

The Examples shown on the following pages are the result of extensive development work and numerous trial runs carried out in co-operation with customers. It is through such joint effort that the quality of the final product has been improved to constantly meet the evolving market demand. All the Profiles have been used for textile machines.

Textile machines also use guidance and straightening systems with special bearings made by WIB and standardized bearings of the following types :

● Single row radial bearings
● Double row angular contact bearings
● Self-aligning ball bearings

WIB is equipped with all the necessary tooling for the production of such bearings. The sales of some of these bearings are reserved to the designer of the system.

Profile Guide A - Size Limits and Product Tables


Bearings for Textile Machines Bore Diameter: 3 to 17 mm
Outside diameter: 10 to 42 mm (possibility to extend OD to47 mm for special cases)
Width - Inner ring: 3 to 20 mm
Width - Outer ring: 3 to 25 mm
Product Table: File:
WIB_Bearings_Textiles.pdf



SPECIAL BEARINGS
Areas of Specialty


In addition to bearings for textile machines, wire guides and linear guide systems, WIB has designed and manufactured special bearings for a great number of applications. The following list gives a non-exhaustive summary of these fields where new products are being developed every day.

● Household machines
● Transmissions
● Electric motors and generators
● Electro-mechanic and pneumatic
tooling
● Pumps and compressors
● Injection pumps
● Ventilators
● Turbines
● Aerotechnics
● Equipment for gardening
● Agricultural machines and equipment
● Construction machines
● Machines for wood working
● Escalators
● Freight elevators
● Conveyors ● Office automation, laser printers
● Measuring instruments
● Machines for paper production
● Machines for food industry
● Packaging machines
● Robotics
● Medical and dental equipment
● Optical equipment
● Skate-board and inline rollers
● Roller skis
● Bicycles
● Wheelchairs
● Wire drawers for cable manufacturing
● Equipment for the oil industry
● Components for the car industry
● Components for commercial vehicles
● Engines for model airplanes, cars, etc.

Examples of WIB special bearings specially designed for different fields. Their high manufacturing quality and the diversity of applications demonstrate WIB's extensive know-how in special bearings.

The sales of some of these bearings are reserved to the designer of the system.


SPECIAL BEARINGS
Manufacturing of High Precision
Components


Apart from standard and special bearing manufacturing program, WIB has the manufacturing capacity to machine high precision components with turning, heat treatment, grinding and honing or super finishing operations.

The drawings on the right hand side show the dimensional limits and the various possible machining operations for parts without or with a bore hole.

Other examples of precision machine parts manufactured by WIB, which can be integrated in special bearings.




TECHNICAL
INFORMATION

INDEX
Ring and Ball Material Fillet Radius
Bearing Protection (Shields) Snap Ring
Cages DUPLEX Paired Bearings
Tolerances Lubrication
Fits Admissible Loads
Internal Clearance Limiting Speeds
Heat Treatment Friction Torque
Improvements of Contact Surfaces Branding
Synthetic Coatings Packaging and Labeling
Bearing Noise General Recommendations

Thanking u

Jigesh shah
For vardhman bearings
9819824531
9892432411


DO VISIT ALL OUR WEBSITES FOR ALL OUR PRODUCTS

http://www.vardhmanbearings.com

http://www.arihantengineers.com

http://www.veerenterprises.com

http://www.ranjanaarts.com

http://www.gear-couplings.webs.com/



also for online chatting add us to following

HOTMAIL MSN : jigesh2007@hotmail.com

YAHOO MSG : jigesh2007@yahoo.co.in

SKYPE : jigesh2007

VARDHMAN BEARINGS

D-103, VASANT AISHWARIYA
MATHURADAS EXTN RD
KANDIVALI WEST
MUMBAI -400067
MAHARASHTRA
TEL: 91-22-28627454
TEL/FAX: 91-22-28653894 , 28656188
CELL : 9819824531 , 9892432411
EMAIL : jigesh2007@hotmail.com

Tuesday, January 3, 2012

cross roller guideways cross roller guide way bearings thk won gmt rsi sbc schneeberger ina iko manufacturer dealer stockist india mumbai cross roll



WWW.VARDHMANBEARINGS.COM

We are stockiest manufacturers importers of cross roller guides we stock imported brands in cross roller guides like HIWIN , WON , THK , INA , ABBA , SCHNEEBERGER , SKF , IKO , RSI , KLS , SBC , AMT ,rosa , GMT , PMI , EVEN CHINESE MAKE AND LOCAL INDIAN MAKE IN CROSS ROLLER GUIDES

http://www.vardhmanbearings.com/cross_roller_guide_ways.html


Cross Roller Guide Way consists of the precisely ground raceway and the roller cage, in which precision roller are incorporated at right angle to one another, is fitted into to 90v-grooved raceway machined on the race rail.
WRG Guide way is compact linear motion system with high rigidity and high accuracy as a kind of linear motion bearing with low frictional resistance, fight clearence & non-circulation method by big rollers with big contact areas as a rolling body.


WRGU Cross Roller guide is
assembled between precision table
and base WRGT is compact and
strong linear guide unit.

Cross Roller Guides are used in applications requiring high precision, such as measuring or the manufacturing of optical instruments. A Cross Roller Guide consists of linear guides that are flanked on two sides of a ball cage. In the cage, rollers are placed at right angles to each other to provide multi-directional movement. The high rigidity of SBC's Cross Roller Guide is due to the rollers long contact length. The load capacity is high, the movement is smooth, and mounting is capable in both directions.

Cross Roller Tables from are manufactured by SBC with a precisely machined bed that is mounted with a rail on one side and a Cross Roller Guide on the other to eliminate elastic deformation. The rollers in the cross roller guide can carry heavy loads and maintain a long service life. Cross Roller Tables are designed to provide high rigidity and high performance in applications such as automated assembly equipment and optical measurement devices.

In Cross Roller Guide model VR, precision rollers are orthogonally aligned one after another in a
roller cage that is combined with a dedicated rail having a raceway cut into a V-shape groove.
When two units of the Cross Roller Guide are mounted in parallel, the guide system is capable
of receiving loads in all directions. In addition, since the Cross Roller Guide can be given a preload, a clearance-free, highly rigid and smooth slide mechanism is achieved.
The Cross Roller Guide is used in the slide unit of various devices such as OA equipment and
its peripherals, measuring instruments, precision equipment including a printed-board drilling
machine, optic measuring machine, optic stage, handling mechanism and X-ray machine.
Ball Guide model VB is a low-friction, high-accuracy, finite LM system consisting of precision
steel balls, arranged in short pitches in a ball cage model B, and a dedicated rail model V.
1.1. Structure and Features of the Cross Roller Guide/Ball Guide
●Long service life, high rigidity
With a unique roller retaining mechanism, the effective contact length of the rollers is 1.7
greater than the conventional type. Furthermore, the roller pitch interval is short and a sufficient number of rollers are installed, thus increasing the rigidity by twice and the service life by
six times greater than the conventional type. As a result, a safety-oriented design against
vibrations and impact, which commonly occur in ordinary linear motion mechanisms, can be
achieved.
●Smooth motion
With Cross Roller Guide model VR, the rollers are individually held in a cage and roller pockets
formed on the cage are in surface contact with the rollers to increase grease retention. Thus,
smooth motion with little wear and friction is achieved.
●High corrosion resistance
The Cross Roller Guide model VR series and the Ball Guide model VB serie

F-3
F. Description of the Cross Roller Guide/Ball Guide
F 3 Features of the Cross Roller Guide/Ball Guide
In Cross Roller Guide model VR, precision rollers are orthogonally aligned one after another in a
roller cage that is combined with a dedicated rail having a raceway cut into a V-shape groove.
When two units of the Cross Roller Guide are mounted in parallel, the guide system is capable
of receiving loads in all directions. In addition, since the Cross Roller Guide can be given a preload, a clearance-free, highly rigid and smooth slide mechanism is achieved.
The Cross Roller Guide is used in the slide unit of various devices such as OA equipment and
its peripherals, measuring instruments, precision equipment including a printed-board drilling
machine, optic measuring machine, optic stage, handling mechanism and X-ray machine.
Ball Guide model VB is a low-friction, high-accuracy, finite LM system consisting of precision
steel balls, arranged in short pitches in a ball cage model B, and a dedicated rail model V.
1.1. Structure and Features of the Cross Roller Guide/Ball Guide
●Long service life, high rigidity
With a unique roller retaining mechanism, the effective contact length of the rollers is 1.7
greater than the conventional type. Furthermore, the roller pitch interval is short and a sufficient number of rollers are installed, thus increasing the rigidity by twice and the service life by
six times greater than the conventional type. As a result, a safety-oriented design against
vibrations and impact, which commonly occur in ordinary linear motion mechanisms, can be
achieved.
●Smooth motion
With Cross Roller Guide model VR, the rollers are individually held in a cage and roller pockets
formed on the cage are in surface contact with the rollers to increase grease retention. Thus,
smooth motion with little wear and friction is achieved.
●High corrosion resistance
The Cross Roller Guide model VR series and the Ball Guide model VB series both include types
made of stainless steel, which is highly resistant to corrosion.F-3
F. Description of the Cross Roller Guide/Ball Guide
F 3 Features of the Cross Roller Guide/Ball Guide
1. Features of the Cross Roller Guide/Ball Guide
Dedicated rail
Stopper
Ball cage
Ball
Dedicated rail
Stopper
Roller cage
Roller
Cross Roller Guide Model VR
Ball Guide Model VB
Stoppers of models V1 to
V4 have round shapes.
Fig. 1 Structure of Cross Roller Guide Model VR and Ball Guide Model VBF-5
F. Description of the Cross Roller Guide/Ball Guide
F 5 Features of the Cross Roller Guide/Ball Guide
1.2. Types and Features of the Cross Roller Guide/Ball Guide
●Cross Roller Guide Model VR
A compact, highly rigid LM system whose
roller cage holding precision rollers orthogonally aligned one after another travels by half
the stroke on a V-shaped groove formed on a
rail.
Model VR
●Ball Guide Model VB
A low- f r ict ion, highly accurate LM system
whose bal l cage holding precision bal ls in
short pitches travels by half the stroke on a
V-shaped groove formed on a rail.
Model VBF-6
Rated Loads in All Directions
The basic load ratings (CZ and C0Z) in the dimensional table in the " General Catalog -
Product Specifications," provided separately, indicate the values per rolling element in the
directions shown in Fig. 2. When obtaining the rated life, calculate the basic load ratings (C
and C0) of the actually used rolling elements from the equation below.
●For Cross Roller Guide Model VR
●For Ball Guide Model VB
C :Basic dynamic load rating (kN)
C0 :Basic static load rating (kN)
CZ :Basic dynamic load rating in the dimensional table in the " General
Catalog - Product Specifications," provided separately (kN)
C0Z :Basic static load rating in the dimensional table in the " General
Catalog - Product Specifications," provided separately (kN)
Z :Number of rolling elements used
(Number of rolling elements within the effective load range)
Static Safety Factor fS
Models VR and VB may receive an unexpected external force while it is stationary or operative
due to the generation of an inertia caused by vibrations and impact or start-up and stop. It is
necessary to consider a static safety factor against such a working load.
fS :Static safety factor (table 1)
C0 :Basic static load rating (kN)
Pc :Calculated load (kN)
C
C0
C
C0
CL
C0L
CL
C0L
CT
C0T
CT
C0T
Model VR
Model VB
Fig. 2
Table 1 Reference Values of Static Safety Factors (fS)
Lower limit
Service conditions
of fS
Machine using
the LM system
General industrial
machinery
Without vibrations or impact
With vibrations or impact
1 to 1.3
2 to 3
fS =
C0
PC
C = CL = ( ) ✕ CZ, CT = 2C
Z
2
3
4
C0 = C0L = ✕ C0Z, C0T = 2C0
Z
2
Z
2
For , truncate the decimals.
C = CL = Z ✕ CZ, CT = 2C
2
3
C0 = C0L = Z ✕ C0Z, C0T = 2C0F-7
F. Description of the Cross Roller Guide/Ball Guide
F 7 Features of the Cross Roller Guide/Ball Guide
When the basic dynamic load ratings have been obtained, the rated lives of Cross Roller Guide
model VR and Ball Guide model VB are obtained using the following equations.
●For Model VR
●For Model VB
L :Rated life (km)
(The total number of revolutions that 90% of a group of identical VR (VB) units independently operating under the same conditions can achieve without showing flaking)
C :Basic dynamic load rating (kN)
PC :Calculated load (kN)
fT :Temperature factor (see Fig 3 on page F-8)
fW :Load factor (see table 2 on page F-8)
When the rated life (L) has been obtained, if the stroke length and the number of reciprocations
per minute are constant, the service life time is obtained using the following equation.
Lh :Service life time (h)
RS :Stroke length (mm)
n1 :Number of reciprocations per minute(min
-1

Rated Life
L = ( • ) ✕ 100
fT
fW
C
PC
10
3
L = ( • )
3
✕ 50
fT
fW
C
PC
Lh =
L ✕ 10
6
2 ✕ RS ✕ n1 ✕ 60
Calculating the Service Life TimeF-8
■fT:Temperature factor
If the temperature of the atmosphere surr o u n d i n g t h e o p e r a t i n g m o d e l V R o r V B
e x c e e d s 1 0 0 ℃, t a k e i n t o a c c o u n t t h e
adverse effect of the high temperature and
multiply the basic load ratings by the temperature factor indicated in Fig. 3.
Note: If the ambient temperature exceeds 100℃, contact
.
■fW:Load factor
In general, reciprocating machines tend to
involve vibrations or impact during operation.
It is difficult to accurately determine vibrations generated during high-speed operation
and impact during frequent start-up and stop.
Therefore, when the actual load applied on
model VR or VB cannot be obtained, or when
speed and vibrations have a significant influence, divide the basic load rating (C or C0),
by the corresponding load factor in table 2 of
empirically obtained data.
Raceway temperature(℃)
100 150 200
1.0
0.9
0.8
0.7
0.6
0.5
Temperature factor fT
Fig. 3 Temperature Factor (fT)
Table 2 Load Factor (fW)
Faint
Weak
Very low
V≦0.25m/s
Slow
0.25<V≦1m/s
1 to 1.2
1.2 to 1.5
Vibrations/impact Speed (V) fWF-9
F. Description of the Cross Roller Guide/Ball Guide
F 9 Features of the Cross Roller Guide/Ball Guide
The accuracy of the dedicated rail for the Cross Roller Guide is classified into high grade (H)
and precision grade (P) as shown in table 3.
Table 3 Accuracy Standards for Dedicated Rail Model V
Accuracy symbol High grade
H P
Precision grade
Symbol
Item
Parallelism of the raceway
against surfaces Å and ı
Dimensional tolerance in height E
Difference in height E
(note)
Dimensional tolerance
in width M
±0.02
0.01
0
–0.2
As per Fig. 5
±0.01
0.005
0
–0.1
Unite: mm
B
A
E
M
Note: The difference in height E applies to four rails used on
the same plane.
Fig. 4
Rail length L(mm) 0
16
12
8
4
0
200 400 600 800 1000
Parallelism of the raceway(μm )
High grade(H)
Precision grade(P)
Fig. 5 Rail Length and Parallelism of the RacewayF-10
The roller cage and the ball cage move half
the travel distance of the table in the same
direction. To prevent the cage from overhanging f rom the raceway base when the
cage length is "R" and the stroke length is
"Rs," the rail length (Lk) must be at least the
following.
Lk≧R+
RS
2
2. Precautions on Using the Cross Roller Guide/Ball Guide
Rail Length
The cage, which retains rollers (or balls), demonstrates extremely accurate motion. However,
it may be offset as affected by driving vibrations, inertia or impact.
If using the Cross Roller Guide or Ball Guide in the following conditions, contact .
●Vertical use
●Pneumatic cylinder drive
●Cam drive
●High-speed crank drive
●Under a large moment load
●Butting the guide's external stopper with the table
Offset of the Cage
RS
R
Lk
Lk
RS
2
Lk
a Disassembling components may cause dust to enter the system or degrade mounting accuracy of parts. Do not disassemble the product.
s Dropping or hitting the Cross Roller Guide/Ball Guide may damage it. Giving an impact to
the Cross Roller Guide/Ball Guide could also cause damage to its function even if the product looks intact.
Handling
a Thoroughly remove anti-corrosion oil and feed lubricant before using the product.
s Do not mix lubricants of different physical properties.
d In locations exposed to constant vibrations or in special environments such as clean rooms,
vacuum and low/high temperature, normal lubricants may not be used. Contact for
details.
f When planning to use a special lubricant, contact before using it.
LubricationF-11
F. Description of the Cross Roller Guide/Ball Guide
F 11 Precautions on Using the Cross Roller Guide/Ball Guide
Stoppers are attached to the rail ends in order to prevent the cage from falling off. Note, however, that frequently colliding the cage with the stopper may cause wear of the stopper and
loosening of the stopper fastening screws, and may cause the cage to fall off.
Stopper
As a means to prevent foreign matter from entering the Cross Roller Guide or the Ball Guide,
dust prevention accessories for the side faces as shown in Fig. 1 are available. For dust prevention in the front and rear directions, consider using a bellows or a telescopic cover.
Dust Prevention
Labyrinth cover Wiper seal
Fig. 1 Dust Prevention Methods
a If foreign matter such as dust or cutting chips adheres to the product, replenish the lubricant
after cleaning the product with pure white kerosene.
s When desiring to use the system at temperature of 100℃ or higher, contact in advance.
d When using the product in locations exposed to constant vibrations or in special environments such as clean rooms, vacuum and low/high temperature, contact in advance.
Precautions on Use
When storing the Cross Roller Guide/Ball Guide, enclose it in a package designated by
and store it while avoiding high temperature, low temperature and high humidity.
Storage

Compact design, high precision and rigidity, and wide range of permissible load
- It's used widely in various precision instruments and machineries
- Miniature Type

Compact design, high precision and rigidity, and wide range of permissible load.
- It's used widely in various precision instruments and machineries.

Semiconductor Equipment, LCD production line applicable anytime.
Slide Block(Customized)

The smooth surfaces are created from sanding and anodizing finishes, expand the possibilities of using wider ranges of colors to be applied.
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Rolls very smoothly.
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Excellent ability to correspond everything according to what users exactly want through direct conversations with technical designers.
- Fast delivery.
Uniform Type X-Y Table(Customized) MXYT-3938
Uniform type, turn type, applied with cross roller guide
- Stepping, timing belt, driving type
- Compact design and easy installation
- It's highly precise due to processing with unified structure of body and orbiting plane.
- It's a table that is applied with ball bearing turn method and the caterpillar motion is possible.
- Stroke : X axis(390mm), Y axis (380mm)
- Spec.: X axis (506mm x 180mm x 26mm), Y axis(470mm x 90mm x 44mm)


Cross Roller Guide(MVR Series)

Cross Roller Guide(MVR/Roller cage)

Needle Roller/Cage


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Thanking u

Jigesh shah
For vardhman bearings
9819824531
9892432411


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VARDHMAN BEARINGS

D-103, VASANT AISHWARIYA
MATHURADAS EXTN RD
KANDIVALI WEST
MUMBAI -400067
MAHARASHTRA
TEL: 91-22-28627454
TEL/FAX: 91-22-28653894 , 28656188
CELL : 9819824531 , 9892432411
EMAIL : jigesh2007@hotmail.com

Monday, January 2, 2012

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www.arihantengineers.com

Vardhman bearings
Miniature bearings (micro bearings or mini bearings). We stock miniature bearings in metric sizes with inner diameters from 0.6mm upwards and inch sizes with inner diameters from 0.04 inches
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Plastic bearings.Bearings with acetal resin rings and either glass balls or stainless steel balls are held in stock.
Thin section bearings.We stock a range of flanged and non flanged thin section bearings from 10mm up to 50mm shaft.
Electric motor bearings.Where an application calls for low noise and low vibration levels, we can supply EMQ2 electric motor bearings from stock to fit 3mm shaft size up to 40mm


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Our entire metric series of bearings can be supplied in SAE52100 chrome steel and AISI440C or KS440 (ACD34/X65Cr13) stainless steel and, like most deep groove radial ball bearings, can withstand heavy radial loads and moderate thrust loads in both directions. Certain sizes can be supplied with the TW high-speed synthetic cage and most metric miniature bearings and small bearings can be supplied flanged.
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BASIC DIMENSIONAL DATA
ACTUAL SIZE Bore
Dia. Outside
Dia. Unflanged
NPB
Part No
RFQ per item Std.
Ref.
Part
No. Unflanged Width Flanged
NPB
Part No
RFQ per item Flanged Width
B
Open B
1 Shield B
2 Shields B
Open B
1 Shield B
2 Shields

.0394 .1181 SSL310 S681 .0394 — — SSLF310 .0394 — —
.0400 .1250 SSRI2 SR09 .0469 — — SSRIF2 .0469 — —
.0469 .1562 SSRI21/2 SR0 .0625 .0937 .0937 SSRIF21/2 .0625 .0937 .0937
.0550 .1875 SSRI3 SR1 .0781 .0937 .1094 SSRIF3 .0781 .1094 .1094
.0591 .1575 SSL415 S681X .0472 — — SSLF415 .0472 — —
.0591 .1969 SSR515 S691X .0787 .1024 .1024 SSRF515 .0787 .1024 .1024
.0591 .2362 SSR615 S601X .0984 .1181 .1181 SSRF615 .0984 .1181 .1181
.0781 .2500 SSRI4 SR14 .0937 .1094 .1406 SSRIF4 .0937 .1406 .1406
.0787 .1969 SSL520 S682 .0591 — .0906 SSLF520 .0591 — .0906
.0787 .2362 SSR620 S692 .0906 .1181 .1181 SSRF620 .0906 .1181 .1181
.0787 .2756 SSR720 S602 .1102 .1378 .1378 SSRF720 .1102 .1378 .1378
.0937 .1875 SSRI3332 SR133 .0625 .0937 .0937 SSRIF3332 .0625 .0937 .0937
.0937 .3125 SSRI5 SR15 .1094 .1094 .1406 SSRIF5 .1094 .1406 .1406
.0984 .2362 SSL625 S682X .0709 .1024 SSLF625 .0709 — .1024
.0984 .2756 SSR725 S692X .0984 .1378 .1378 SSRF725 .0984 .1378 .1378
.0984 .3150 SSR825 S602X .1102 .1575 .1575 SSRF825 .1102 .1575 .1575
.1181 .2362 SSL630 SMR63 .0787 — .0984 SSLF630 .0787 — .0984
.1181 .2756 SSL730 S683 .0787 — .1181 SSLF730 .0787 — .1181
.1181 .3150 SSR830 S693 .1181 .1575 .1575 SSRF830 .1181 .1575 .1575
.1181 .3543 SSR930 S603 .1181 .1969 .1969 SSRF930 .1181 .1969 .1969
.1181 .3937 SSR1030 S623 .1575 .1575 .1575 SSRF1030 .1575 .1575 .1575
.1250 .2500 SSRI418 SR144 .0937 .0937 .1094 SSRIF418 .0937 .1094 .1094
.1250 .3125 SSRI518 SR25 .1094 .1094 .1406 SSRIF518 .1094 .1406 .1406
.1250 .3750 SSRI618 SR26 .1094 .1094 .1406 SSRIF618 .1094 .1406 .1406
BASIC DIMENSIONAL DATA
ACTUAL SIZE Bore
Dia. Outside
Dia. Unflanged
NPB
Part No
RFQ per item Std.
Ref.
Part
No. Unflanged Width Flanged
NPB
Part No
RFQ per item Flanged Width
B
Open B
1 Shield B
2 Shields B
Open B
1 Shield B
2 Shields

.1250 .3750 SSR2 SR2 .1562 .1562 .1562 SSRF2 .1562 .1562 .1562
.1250 .5000 SSR2A SR2A .1719 .1719 .1719 — — — —
.1562 .3125 SSRI5532 SR155 .1094 .1094 .1250 SSRIF5532 .1094 .1250 .1250
.1575 .2756 SSL740 SMR74 .0787 — .0984 SSLF740 .0787 — .0984
.1575 .3150 SSL840 SMR84 .0787 — .1181 SSLF840 .0787 — .1181
.1575 .3543 SSL940 S684 .0984 — .1575 SSLF940 .0984 — .1575
.1575 .3937 SSL1040 SR104 .1181 — .1575 SSLF1040 .1181 — .1575
.1575 .4331 SSR1140 S694 .1575 .1575 .1575 SSRF1140 .1575 .1575 .1575
.1575 .4724 SSR1240 S604 .1575 .1575 .1575 SSRF1240 .1575 .1575 .1575
.1575 .5118 SSR1340 S624 .1969 .1969 .1969 SSRF1340 .1969 .1969 .1969
.1575 .6299 SSR1640 S634 .1969 — .1969 SSRF1640 .1969 .1969 .1969
.1875 .3125 SSRI5632 SR156 .1094 .1094 .1250 SSRIF5632 .1094 .1250 .1250
.1875 .3750 SSRI6632 SR166 .1250 .1250 .1250 SSRIF6632 .1250 .1250 .1250
.1875 .5000 SSR3 SR3 .1562 .1960 .1960 SSRF3 .1562 .1960 .1960
.1969 .3150 SSL850 SMR85 .0787 — .0984 SSLF850 .0787 — .0984
.1969 .3543 SSL950 SMR95 .0984 — .1181 SSLF950 .0984 — .1181
.1969 .3937 SSL1050 SMR105 .1181 — .1575 SSLF1050 .1181 — .1575
.1969 .4331 SSL1150 S685 .1181 — .1969 SSLF1150 .1181 — .1969
.1969 .5118 SSR1350 S695 .1575 .1575 .1575 SSRF1350 .1575 .1575 .1575
.1969 .5512 SSR1450 S605 .1969 .1969 .1969 SSRF1450 .1969 .1969 .1969
.1969 .6299 SSR1650 S625 .1969 .1969 .1969 SSRF1650 .1969 .1969 .1969
.1969 .7480 SSR1950 S635 .2362 .2362 .2362 SSRF1950 .2362 .2362 .2362
.2362 .3937 SSL1060 SMR106 .0984 — .1181 SSLF1060 .0984 — .1181
.2362 .4724 SSL1260 SMR126 .1181 — .1575 SSLF1260 .1181 — .1575
.2362 .5118 SSL1360 S686 .1378 — .1969 SSLF1360 .1378 — .1969
.2362 .5906 SSR1560 S696 .1969 .1969 .1969 SSRF1560 .1969 .1969 .1969
.2362 .6693 SSR1760 S606 .2362 .2362 .2362 SSRF1760 .2362 .2362 .2362
.2362 .7480 SSR1960 S626 .2362 .2362 .2362 SSRF1960 .2362 .2362 .2362
BASIC DIMENSIONAL DATA
ACTUAL SIZE Bore
Dia. Outside
Dia. Unflanged
NPB
Part No
RFQ per item Std.
Ref.
Part
No. Unflanged Width Flanged
NPB
Part No
RFQ per item Flanged Width
B
Open B
1 Shield B
2 Shields B
Open B
1 Shield B
2 Shields

.2500 .3750 SSRI614 SR168 .1250 .1250 .1250 SSRIF614 .1250 .1250 .1250
.2500 .5000 SSRI814 SR188 .1250 .1250 .1875 SSRIF814 .1250 .1875 .1875
.2500 .6250 SSR4 SR4 .1960 .1960 .1960 SSRF4 .1960 .1960 .1960
.2500 .7500 SSRI1214 SR4A .2188 .2812 .2812 — — — —
.2756 .4331 SSL1170 SMR117 .0984 — .1181 SSLF1170 .0984 — .1181
.2756 .5118 SSL1370 SMR137 .1181 — .1575 SSLF1370 .1181 — .1575
.2756 .5512 SSL1470 S687 .1378 — .1969 SSLF1470 .1378 — .1969
.2756 .7480 SSR1970 S607 .2362 .2362 .2362 — — — —
.2756 .8661 SSR2270 S627 .2756 .2756 .2756 SSRF2270 .2756 .2756 .2756
.3125 .5000 SSRI8516 SR1810 .1562 .1562 .1562 SSRIF8516 .1562 .1562 .1562
.3150 .4724 SSL1280 SMR128 .0984 — .1378 SSLF1280 .0984 — .1378
.3150 .5512 SSL1480 SMR148 .1378 — .1575 SSLF1480 .1378 — .1575
.3150 .6299 SSL1680 S688 .1575 — .1969 SSLF1680 .1575 — .1969
.3150 .7480 SSR1980 S698 .2362 .2362 .2362 — — — —
.3150 .8661 SSR2280 S608 .2756 .2756 .2756 SSRF2280 .2756 .2756 .2756
.3543 .6693 SSL1790 S689 .1575 — .1969 SSLF1790 .1575 — .1969
.3543 .7874 SSL2090 S699 .2362 — .2362 — — — —
.3543 1.0236 S629 — .3150 .3150 .3150 — — — —
.3750 .6250 SSRI1038 SR620 .1562 .1562 .1562 — — — —
.3750 .8750 SSRI1438 SR6 .2188 .2812 .2812 SSRIF1438 .2812 .2812 .2812
.3937 .7480 SSL1910 S6800 .1969 — .2756 — — — —
.3937 1.0236 S6000 — .3150 .3150 .3150 — — — —
.5000 .7500 SSRI1212 SR824 .1562 .1562 .1562 — — — —
.6250 .8750 SSRI1458 SR1028 .1562 .1562 .1562 — — — —
.7500 1.0000 SSRI1634 SR1232 .1562 .1562 .1562 — — — —




Thanking u

Jigesh shah
For vardhman bearings
9819824531
9892432411


DO VISIT ALL OUR WEBSITES FOR ALL OUR PRODUCTS

http://www.vardhmanbearings.com

http://www.arihantengineers.com

http://www.veerenterprises.com

http://www.ranjanaarts.com

http://www.gear-couplings.webs.com/



also for online chatting add us to following

HOTMAIL MSN : jigesh2007@hotmail.com

YAHOO MSG : jigesh2007@yahoo.co.in

SKYPE : jigesh2007

VARDHMAN BEARINGS

D-103, VASANT AISHWARIYA
MATHURADAS EXTN RD
KANDIVALI WEST
MUMBAI -400067
MAHARASHTRA
TEL: 91-22-28627454
TEL/FAX: 91-22-28653894 , 28656188
CELL : 9819824531 , 9892432411
EMAIL : jigesh2007@hotmail.com