Koyo - Needle Roller Bearing FC-12

Best used for light duty torque applications that require a one way clutch | RC (inch) and FC, FCS, FCL (metric) are clutches capable for rotational torque only | RCB (inch( and FCB, FCBL (metric) are clutch bearings capable for rotational torque and radial load | "-FS" in the suffix for the RC and RCB call out stainless steel springs and are capable of higher operating temperatures and significantly higher engagements per minute | A polymer spring is standard for the RC and RCB | A stainless steel spring is standard for the FC, FCS, FCL, FCB and FCBL | A hardened and machined shaft or an "IR" Inner Ring is required for optimal performance | A press fit into the housing is required