Our products include Deep Groove Ball bearings, Cylindrical Roller Bearings, Tapered Roller Bearings, Self-aligning Ball Bearing Dimensions (inch)F5.5000MRD7.0000B3.0000Approx.Wgt. lbs11.820Appropriate Inner RaceMI-72Interchange -McGillMR-88RBCSJ6919TorringtonHJ-8811248 1) Material - Outer races, inner races and rollers are made from 52100 steel and hardened to Rockwell hardness 60-64 RC. These ...