Item: Radial Ball Bearing, Bearing Type: Shielded, Bore Dia.: 25mm, Bore Tolerance: +0/-.008 mm, Outside Dia.: 52mm, Outside Dia. Tolerance: +0/-11 micron, Width: 15mm, ABEC Tolerance: 1, Dynamic Load Capacity: 3,300 lb., Static Load Capacity: 1,800 lb., Max. RPM: 18,000, Temp. Range: -40 Degrees to 212 Degrees F., Bearing Material: 52100 Chrome Steel, Cage Material: Pressed Steel, Shield Material: Stamped Steel, Lubrication: EM Poly Grease, Industry Number: 6205-2Z C3