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OW series one-way rotation ball bearings are combined by standard deep groove ball bearings and internal shaped roller one-way clutches. It has higher load carrying capacity and compact structure. It is the right choice for medium and small torque applications.
Inch size range from .250 x .4375 x .500 to .750 x 1.000 x .625 inch
Metric size range from 3 x 7.200 x 5.400 mm
Sample Part number OWC1016GXRZ
available in Clockwise or Counter Clockwise directions
Sample Part number HF0406
E-Mail sunil@bocabearings.com
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- In this product group all versions are self contained. This means that the one way clutch is supplied complete with the necessary bearing support as well as lubrication and sealing.
The supporting bearings may be plain for low overrunning speeds but are usually of the deep groove ball bearing type for medium to high speed overrunning.
For very high powers and speeds the clutch can be supplied in a foot mounted housing.
Lubrication is normally by oil but may be grease in certain cases.
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The different versions offered in this product group are based on a combination of a bearing and a one way clutch within the dimensional envelope of the considered bearing series.
The most popular model (CSK..) is built on the basis of the bearing series 62..... Sizes are available from 8mm to 40mm bore.
These units are available in many different versions:
- plain with ZZ type seal
- plain with 2RS type seals
- keyway inside with ZZ or 2RS type seals
- keyway inside and outside with ZZ type seals
A few other models are based on other bearings series like 59.. and 60....
Please refer to the complete STIEBER product catalogue available on this site.
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CSK Series (One-Way Bearing)
The CSK model freewheel is a sprag type clutch integrated into a 6200 series ball bearing (except sizes 8 and 40). It provides you with a one way clutch, and eliminates the need for a ball bearing. It gives a high degree of freewheeling accuracy while utilizing a minimum of space.
The CSK model freewheels can be used in backstop, overrunning or indexing applications.
The CSK model freewheels are available with bores to 40mm (1.57") and torque ratings to 384 lb. ft. They are supplied filled with grease and are maintenance free.
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The different versions of this product group provide only the one way clutch element.
The clutch inner and outer races must be supported and held concentric by the existing shaft bearings, which also need to absorb all axial and radial loads.
The system must include the necessary lubrication and sealing
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Drawn cup roller clutches are one-way clutches comprising thin-walled, drawn outer rings with a series of ramps on the inside diameter, plastic cages, springs and needle rollers. They can transmit torques in one direction and are radially compact. The roller clutches are available with and without a bearing assembly.
Drawn cup roller clutches give very precise indexing, since individual spring retention of each needle roller ensures constant contact between the shaft, needle rollers and the clamping surfaces. They allow high indexing frequencies due to their low mass and therefore the low moment of inertia of the clamping elements. They also have a low free-wheeling frictional torque.
Drawn cup roller clutches can be used in a wide variety of applications, for example as indexing elements, back-stopping clutches or overrunning clutches. The drawn cup roller clutch fulfils the overrunning or holding function as appropriate.
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Free wheel with a cage with contact elements running on races primarily measured in inches
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Free wheels with bearing incorporated, with same dimensions of bearings series 6200, available in version ZZ and 2RS
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In this product group only the clamping elements are supplied, assembled into a cage or retainer.
This must be mounted between supporting inner and outer races which may be formed directly in the customer’s component or machine.
The races should be manufactured from the correct material and to the required specification and the whole assembly supported by the existing shaft bearings which must absorb all axial and radial loads.
Suitable lubrication and sealing also have to be provided.
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Free wheels with rollers, with flanges for assembling, self centring or requiring centring, used ad overspeed, non-return, intermittent feed.
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Magna Torque (MT) for Backstopping and Indexing
Hilliard’s line of overrunning clutches is economically priced and ideally suited for backstopping and gearbox applications. Custom designs and rapid prototyping are available.
Roller Ramp (MTR) for Clutch Couplings, Dual-Drive & Turning Gear
There is almost no wear during freewheeling operations in the Hilliard roller-ramp designed clutch because rollers are free to rotate between the outer member and the inner cam. Typical applications for this clutch are blowers, pumps, fans, conveyors and forming rolls.
Enclosed Overrunning Clutches
Hilliard’s enclosed overrunning clutch incorporates superior MTR design in a totally enclosed package. Designed for power transmission operations, this clutch is totally contained in a stationary housing for constant protection from hostile environments or washouts.
High-Speed Overrunning Clutches
The Hilliard high-speed overrunning clutch provides positive engagement and high torque on demand. Featuring a unique roller-ramp design, the clutch when engaged transmits power via the precision-machined cam and roller assembly connected to the input shaft. Typical applications include hydraulic, electric, and pneumatic turbine starters; turbine drives, and turbine auxiliary drives.
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Industrial Ratchet Freewheels provide positive one-way drive with high torque capacity within a small unit.
Sprag Clutches:-
MG Series - Standard clutch for general overrunning, backstop and index
applications, standard oil lubricated with option of grease.
MI Series - Has special sprag assembly designed for high speed indexing.
Always oil filled for optimum performance.
MO Series - Fitted with labyrinth seals for minimal drag on higher speed
overrun and backstop applications. Always grease lubricated.
MR Series - Utilises a special sprag cage arrangement to allow high speed
overrunning of the outer race. Oil lubricated clutch suitable as a higher
torque M 750 - 1000 alternative to Roller Ramp clutches.
Standard Flexible Couplings
Stub Shaft Adaptor
PB Sprag Clutch
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Marland Clutch brings to the North American market a line of proven sprag type free-wheel clutches. Marland utilizes the knowledge of its sister divisions, Stieber® of Germany and Formsprag® of the United States, to manufacture world class high performance sprag clutches in the United States.
The RMS, RMT and RMI model freewheels include ball bearings and seals. These self-contained freewheels have a bolt circle on their outer race (see dimension "B") to which pulleys, gears and torque arms can be mounted. The freewheels are mounted onto shafts which may be of any diameter up to and including the maximum bore shown below. Keyways are provided.
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| ... products without technical information |
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Free wheels with rollers, with flanges for assembling, self centring or requiring centring, used ad overspeed, non-return, intermittent feed.
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Magna Torque (MT) for Backstopping and Indexing
Hilliard’s line of overrunning clutches is economically priced and ideally suited for backstopping and gearbox applications. Custom designs and rapid prototyping are available.
Roller Ramp (MTR) for Clutch Couplings, Dual-Drive & Turning Gear
There is almost no wear during freewheeling operations in the Hilliard roller-ramp designed clutch because rollers are free to rotate between the outer member and the inner cam. Typical applications for this clutch are blowers, pumps, fans, conveyors and forming rolls.
Enclosed Overrunning Clutches
Hilliard’s enclosed overrunning clutch incorporates superior MTR design in a totally enclosed package. Designed for power transmission operations, this clutch is totally contained in a stationary housing for constant protection from hostile environments or washouts.
High-Speed Overrunning Clutches
The Hilliard high-speed overrunning clutch provides positive engagement and high torque on demand. Featuring a unique roller-ramp design, the clutch when engaged transmits power via the precision-machined cam and roller assembly connected to the input shaft. Typical applications include hydraulic, electric, and pneumatic turbine starters; turbine drives, and turbine auxiliary drives.
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Industrial Ratchet Freewheels provide positive one-way drive with high torque capacity within a small unit.
Sprag Clutches:-
MG Series - Standard clutch for general overrunning, backstop and index
applications, standard oil lubricated with option of grease.
MI Series - Has special sprag assembly designed for high speed indexing.
Always oil filled for optimum performance.
MO Series - Fitted with labyrinth seals for minimal drag on higher speed
overrun and backstop applications. Always grease lubricated.
MR Series - Utilises a special sprag cage arrangement to allow high speed
overrunning of the outer race. Oil lubricated clutch suitable as a higher
torque M 750 - 1000 alternative to Roller Ramp clutches.
Standard Flexible Couplings
Stub Shaft Adaptor
PB Sprag Clutch
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Marland Clutch brings to the North American market a line of proven sprag type free-wheel clutches. Marland utilizes the knowledge of its sister divisions, Stieber® of Germany and Formsprag® of the United States, to manufacture world class high performance sprag clutches in the United States.
The RMS, RMT and RMI model freewheels include ball bearings and seals. These self-contained freewheels have a bolt circle on their outer race (see dimension "B") to which pulleys, gears and torque arms can be mounted. The freewheels are mounted onto shafts which may be of any diameter up to and including the maximum bore shown below. Keyways are provided.
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| ... products without technical information |
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... see all the products in the category
Clutches
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