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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


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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

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

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).
   1. 1. 1. 1. The freewheels may be employed as:
               1. Overrunning clutch, the freewheel disengages automatically when the driven member rotates faster than the driving member.
               2. Indexing clutch, the freewheel allows the conversion of reciprocating motion into rotational movement.
               3. 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.
               3. 
                  

               4. 	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

                  ---

                  Locking elements

                  
                  

                  Locking Rollers
                  	Individual spring compensates for machining tolerances. Therefore eachroller is loaded with the same torque. All rollers are instantly lockedwhen coupled.

                  
                  

                  Sprags
                  	Compact sprag element easily integrated into a mechanismwhen used with hardened shaft and housing. Hight shaft overrunning speedspossible with correct lubrication.
                  	Sprags centrifugally disengage from shaft during overrunning to becomenon-contact and non-wearing. Accepts high eccentricity and any type oflubricant. High shaft speeds possible with reduced lubrication.

                  ---

                  Input

                  Input inner race
                  1 Outer race + n CW rotation, 2 Inner race- n CCW rotation, alpha clamp angle
                  Coupled + n1 < + n2 Overrunning n1 > n2	Coupled - n1 < - n2 Overrunning - n1 > - n2

                  
                  

                  Input outer race
                  1 Outer race + n CW rotation, 2 Inner race- n CCW rotation, alpha clamp angle
                  Coupled + n2 < + n1, Overrunning + n2 >+ n1	Coupled - n2 < - n1, Overrunning - n2 > - n1

                  ---

                  Types

                  Types
                  		ASK	CSK / CSK..P	CSK..2RS	GFK
                  Average overrunning speed [m/s]	Inner race overruns	12	12	12	12
                  	Outer race overruns	12	12	12	8
                  Clamping element	Roller 1)	X
                  	Sprag		X	X	X
                  	Individually spring loaded	X	X	X	X
                  	Cage		X	X	X
                  Bearing	Ball bearing	X	X	X	X
                  Operating mode	Overrunning clutch	X	X	X	X
                  	Backstop	X	X	X	X
                  	Indexing clutch	[X]	X	X&nbs p;	X
                  Types		ASK	CSK / CSK..P	CSK..2RS	GFK
                  Torque TkN [Nm]		60..210	2..260	2..140	37..365
                  Outer dimensions corresponding to ball bearing sizes		60	62	62 + 5 mm	59
                  Standard lubrication	Grease	X	X	X	X

                  
                  

                  ---

                  
                  

                  Types
                  		KI	AS	ASNU	AE	AA	NF
                  Average overrunning speed [m/s]	Inner race overruns	6	4,5	4,5	5	5	5
                  	Outer race overruns	7	7	7	12	12	12
                  Clamping element	Roller 1)	X	X	X	X	X	X
                  	Individually spring loaded	X	X	X	X	X	X
                  	Cage	X
                  Bearing	None	X	X	X	X	X	X
                  Operating mode	Overrunning clutch	X	X	X	X	X	X
                  	Backstop	X	X	X	X	X	X
                  	Indexing clutch	[X]	X	X	X	X	X
                  Types		KI	AS	ASNU	AE	AA	NF
                  Torque TkN [Nm]		0,63..2,3	2..850	9..35600	13..4650	13..4650	16..35500
                  Outer dimensions corresponding to ball bearing sizes			62..	NU23..
                  Standard lubrication	Oil	X	X	X	X	X	X

                  
                  

                  ---

                  
                  

                  Types
                  		DC
                  Average overrunning speed [m/s]	Inner race overruns	12
                  	Outer race overruns	8
                  Clamping element	Sprag	X
                  	Individually spring loaded	X
                  	Cage
                  Bearing	None	X
                  Operating mode	Overrunning clutch	X
                  	Backstop	X
                  	Indexing clutch	[X]
                  Types		DC
                  Torque TkN [Nm]		50..3840
                  Standard lubrication	Oil	X

                  
                  

                  ---

                  
                  

                  Types
                  		BAT
                  Average overrunning speed [m/s]	Inner race overruns	-
                  	Outer race overruns	2
                  Clamping element	Roller	X
                  	Cage	X
                  Bearing	None	X
                  Operating mode	Indexing clutch	X
                  Types		BAT
                  Torque TkN [Nm]		20..11500
                  Standard lubrication	Oil	X

                  
                  

                  ---

                  
                  

                  Types
                  		NFR	AV	RSBW
                  Average overrunning speed [m/s]	Inner race overruns	1,5	1,5	1,5
                  	Outer race overruns	1,5	-	-
                  Clamping element	Roller 1)	X	X
                  	Sprag			X
                  	Indi vidually spring loaded	X	X	X
                  	Cage			X
                  Bearing	Sleeve bearing	X	X	X
                  Operating mode	Overrunning clutch	X
                  	Backstop	X	X	X
                  	Indexing clutch	X	X	X
                  Types		NFR	AV	RSBW
                  Torque TkN [Nm]		16..150	220..8800	435..3900
                  Standard lubrication	Grease		X	X
                  	Oil	X

                  
                  

                  ---

                  
                  

                  Types
                  		NFR	AL / ALP	GFR / GFRN	ALZ
                  Average overrunning speed [m/s]	Inner race overruns	5	5	5	5
                  	Outer race overruns	12	15	15	15
                  Clamping element	Roller 1)	X	X	X	X
                  	Individually spring loaded	X	X	X	X
                  Bearing	Ball bearing	X	X	X	X
                  Operating mode	Overrunning clutch	X	X	X	X
                  	Backstop	X	X	X	X
                  	Indexing clutch	[X]	X	X	X
                  Types		NFR	AL / ALP	GFR / GFRN	ALZ
                  Torque TkN [Nm]		200..27800	44..230000	44..56000	400..16000
                  Standard lubrication	Oil	X	X	X	X

                  
                  

                  ---

                  
                  

                  Types
                  		FSO	HPI	FSO
                  Average overrunning speed [m/s]	Inner race overruns	5,5 - 9	-	5,5 - 9
                  	Outer race overruns	1,7 - 4,7		9 - 13,5
                  Clamping element	Sprag	X	X	X
                  	Individually spring loaded	X	X	X
                  	Cage	X	X	X
                  Bearing	Ball bearing	X	X	X
                  Operating mode	Overrunning clutch	X		X
                  	Backstop	X	X	X
                  	Indexing clutch	X	X	X
                  Types		FSO	HPI	FSO
                  Standard lubrication	Grease	X	X	X
                  	Oil	< P>X		X

                  
                  

                  ---

                  
                  

                  Types
                  		CR	RSBF	RSBI / RBI
                  Average overrunning speed [m/s]	Inner race overruns	-		60
                  	Outer race overruns	60	60	-
                  Clamping element	Sprag	X	X	X
                  	Individually spring loaded	X	X	X
                  	Cage	X	X	X
                  Bearing	None	X	X	X
                  Contact free overrunning	Internal			X
                  	External	X	X
                  Operating mode	Overrunning clutch			[X]
                  	Backstop	X	X	X
                  Types		FSO	HPI	FSO
                  Torque TkN [Nm]		180..2300	68..2450	120..42000
                  Standard lubrication	Oil	X	X	X

                  
                  

                  ---

                  
                  

                  Types
                  		RAZ / RANZ	RIZ / RINZ
                  Average overrunning speed [m/s]	Inner race overruns	-	20
                  	Outer race overruns	20	-
                  Clamping element	Sprag	X	X
                  	Individually spring loaded	X	X
                  	Cage	X	X
                  Bearing	Ball bearing	X	X
                  Contact free overrunning	Internal		X
                  	External	X	X
                  Operating mode	Overrunning clutch	[X]	[X]
                  	Backstop	X	X
                  Types		RAZ / RANZ	RIZ / RINZ
                  Torque TkN [Nm]		50..16300	50..16300
                  Standard lubrication	Grease	X	X

                  
                  

                  ---

                  
                  

                  Types
                  		AL..G	ALB..M
                  Average overrunning speed [m/s]	Inner race overruns	-	3
                  	Outer race overruns	24	-
                  Clamping element	Roller 1)	X	X
                  	Individually spring loaded	X	X
                  Bearing	Ball bearing	X	X
                  Operating mode	Overr unning clutch	X
                  	Backstop		X
                  	Indexing clutch		[X]
                  Types		AL..G	AL..BM
                  Torque TkN [Nm]		44..56000	6850..240000
                  Standard lubrication	Oil	X	X

               VARDHMAN BEARINGS
3. 1. 1. 1. 1. D-103, VASANT AISHWARIYA
4. 1. 1. 1. 1. MATHURADAS EXTN RD, KANDIVALI WEST
5. 1. 1. 1. 1. MUMBAI -400067
6. 1. 1. 1. 1. MAHARASHTRA
7. 1. 1. 1. 1. INDIA
8. 1. 1. 1. 1. TEL: 91-22-28627454
9. 1. 1. 1. 1. TEL/FAX: 91-22-28653894 , 28656188
10. 1. 1. 1. 1. CELL : 9819824531 , 9892432411
11. 1. 1. 1. 1. EMAIL : jigesh2007@hotmail.com
12. 1. 1. 1. 1. www.vardhmanbearings.com
13. 1. 1. 1.