Roller clutch and bearing assembly for transmitting torque in one direction while allowing free overrun in the opposite direction
Roller bearings on each end of the clutch for carrying radial loads
Drawn steel outer shell (cup) has a small cross-section for use in restricted spaces
Molded acetyl resin polymer clutch cage with an integral leaf spring for each roller
Through-hardened, high-carbon chromium steel rollers for heat tolerance and durability under heavy loads
This Koyo drawn cup roller clutch and bearing assembly with a plastic clutch cage transmits torque between the shaft and housing in one direction and allows free overrun in the opposite direction. It has a roller bearing on each end of the clutch to support radial loads, and a drawn cup outer steel shell that provides a small cross-section for use in restricted spaces. The outer shell serves as a raceway for the clutch and bearing rollers, and the clutch has an acetyl resin polymer cage with integral leaf springs for operation at temperatures up to 200 degrees F (90 degrees C). The rollers are made of through-hardened, high-carbon chromium steel for heat tolerance and durability, and the assembly comes packed with lithium soap grease. This drawn cup roller clutch and bearing assembly is used in various applications, such as athletic equipment, paper towel dispensers, office machines, and appliances, among others.
Roller bearings use rolling elements to maintain a separation between moving parts to reduce rotational friction and support radial and axial loads. These elements can be one of the following types: ball, cylindrical, spherical, barrel, needle, spindle, or tapered. Roller bearings can be open on both ends (a shaft can pass through) or open on one end and closed on the other. An open end can be sealed or shielded to protect the bearing from solid contaminants and moisture that could reduce its lifespan. If an end is sealed, the sealing component is an elastomer lip that contacts the shaft. If it is shielded, the shielding is a non-contact lip, usually made of metal. Rolling bearings are used in a range of applications from agricultural machinery to conveying equipment, robotics, dental equipment, elevators, rolling mills, ship rudder shafts, and aggregate crushers, among others.
Koyo Bearings USA manufactures needle roller bearings, bearing assemblies, and needle rollers for automotive and industrial applications. The company, founded in 2009, is headquartered in Canton, OH, and meets International Organization for Standardization (ISO) standards 14001 and TS 16949 for quality assurance.
Most Helpful Customer Reviews
Was really excited to have found this and be able to get my NordicTrack Exercise bike back to working. Come to find out that it slips from time to time and so I'm worried it won't last long and the work to disassemble the machine is more than this part. Gets you by...that's all.
Update: Doesn't get you by. It failed after a week of use under pressure.
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