Item: Radial Ball Bearing, Bearing Type: Shielded, Bore Dia.: 75 mm, Bore Tolerance: +0/-.007 mm, Outside Dia.: 160 mm, Outside Dia. Tolerance: +0/-11 micron, Width: 37 mm, ABEC Tolerance: 1, Dynamic Load Capacity: 26,800 lb., Static Load Capacity: 17,200 lb., Max. RPM: 5,600, 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: 6315-ZZ C3.