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Drawn Cup Roller Clutches

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Drawn Cup Roller Clutches are one-way clutches comprising of thin walled, drawn outer rings with a series of ramps on the inside diameter, cage, springs and needle rollers. They transmit torque 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 clutch fulfils the overrunning or holding function as appropriate.

The units are compact, lightweight and operate directly on a hardened shaft. Proper mounting is easily accomplished with a simple press fit in the housing. Clutches and clutch and bearing assemblies are offered both in inch and metric dimensions.