Item: Radial Ball Bearing, Bearing Type: Shielded, Bore Dia.: 90mm Bore Tolerance: +0/-.015mm Outside Dia.: 160mm Outside Dia. Tolerance: +0/-11 micron Width: 30mm ABEC Tolerance: 1 Dynamic Load Capacity: 22,700 lb. Static Load Capacity: 16,500 lb. Max. RPM: 5300 Temp. Range: -40 Degrees to 212 Degrees F. Bearing Material: 52100 Chrome Steel Cage Material: Pressed Steel Shield Material: Stamped Steel Lubrication: EM Grease, Industry Number: 6218-ZZ C3.