Item: Radial Ball Bearing, Bearing Type: Sealed, Bore Dia.: 50mm, Bore Tolerance: +0/-.012 mm, Outside Dia.: 80 mm, Outside Dia. Tolerance: +0/-.013 mm, Width: 16 mm, ABEC Tolerance: 1, Dynamic Load Capacity: 5,150 lb., Static Load Capacity: 3,600 lb., Max. Load Axial: 1,800 lb., Max. RPM: 5,000, Temp. Range: -40 Degrees to 212 Degrees F., Bearing Material: 52100 Chrome Steel, Cage Material: Pressed Steel, Seal Material: Synthetic Rubber, Lubrication: EM Poly Grease, Industry Number: 6010-2RS JEM C3