0.4950" overall width 0.5011" bore diameter outer race RC54 min, rollers RC52 min, one outside corners 0.010 min to .030 max radius, one outside corner 0.200 min to .040 max radius, stabilized for min distortion at 700 deg f separable rollers, no inner race, hardened
1.2450" overall width 1.2495" bore diameter inner ring tolerances per mfg std, 2 snap wires on od of inner ring located beyond the roller path at each end, compliance with KP5346 id required separable inner race