Item: Radial Ball Bearing, Bearing Type: Shielded, Bore Dia.: 90 mm, Bore Tolerance: +0/-.007 mm, Outside Dia.: 190 mm, Outside Dia. Tolerance: +0/-11 micron, Width: 43 mm, ABEC Tolerance: 1, Dynamic Load Capacity: 33,900 lb., Static Load Capacity: 24,300 lb. ,Max. RPM: 4,800, 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: 6318-ZZ C3