Technical Specs.,  Item: Radial Ball Bearing,  Bearing Type: Double Sealed,  Bore Dia.: 20mm, Bore Tolerance: +0/-0.01mm,  Outside Dia.: 52mm, Outside Dia. Tolerance: +0/-0.013mm,  Width: 15mm, ABEC Tolerance: 1, Dynamic Load Capacity: 3,580 lb., Static Load Capacity: 1,780 lb.,  Max. RPM: 17,000: Temp. Range: -40 Degrees to 350 Degrees F.,  Bearing Material: 52100 Chrome Steel, Cage Material: Pressed Steel, Seal Material: Synthetic Rubber Molded to a Steel Plate,  Lubrication: Polyrex EM Grease, Standard Industry Number: 6304-2RS C3

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