... TIMKEN Brand Bearing1. Seal form: open style, Z, ZZ, RS, 2RS, 2RZ2. Bearing stop ring: N, ... elimination code: C0, C2, C3, C4, C57. Bearing material: bearing steel (9Cr18), stainless steel(AISI440C, AISI304, AISI316), ... the ball bearing types because they are available in a wide variety of seal, shield and ... snap-ring arrangements. The bearing ring grooves are circular ...