Angular Contact Ball Bearing, Type Double Row Double Seal, Contact Angle (Degree) 30, Bore Dia. 55mm, Outside Dia. 120mm, Width 49.21mm, 3800 Max. RPM, Dynamic Load Capacity (Lb.) 23,900, Dynamic Load Capacity (N) 106,000, Static Load Capacity (Lb.) 18,300, Static Load Capacity (N) 81,500, ABEC Tolerance 1, Temp. Range (F) 0 Degrees to 220 Degrees , Cage Material Steel, Seal Material Nitrile Rubber, Lubrication Exxon Polyrex