Item: Radial Ball Bearing, Bearing Type: Double Shield, Bore Dia.: 45 mm, Bore Tolerance: +0/-0.012 mm, Outside Dia.: 75 mm, Outside Dia. Tolerance: +0/-0.013 mm, Width: 16 mm, ABEC Tolerance: 1, Dynamic Load Capacity: 5,720 lb., Static Load Capacity: 3,400 lb., Max. RPM: 11,000 Temp. Range: -40 Degrees to 350 Degrees F., Bearing Material: 52100 Chrome Steel, Cage Material: Pressed Steel, Shield Material: Stamped Steel, Lubrication: Polyrex EM Grease, Industry Number: 6009-ZZ C3