Item: Radial Ball Bearing, Bearing Type: Double Shield, Bore Dia.: 50mm, Bore Tolerance: +0/-0.012mm, Outside Dia.: 110mm, Outside Dia. Tolerance: +0/-0.015mm, Width: 27mm, ABEC Tolerance: 1, Dynamic Load Capacity: 13,900 lb., Static Load Capacity: 8,600 lb., Max. RPM: 7,500, Temp. Range: -40 Degrees to 350 Degrees F., Bearing Material: 52100 Chrome Steel, Cage Material: Pressed Steel, Shield Material: Steel, Lubrication: Polyrex EM Grease, Industry Number: 6310-ZZ C3.