*The inside diameter of(mm): 50
*Accuracy level: P0
*Outer diameter(mm): 90
*Width(mm): 51.6
*Standard encdoing: GB/T3882-2017
*Cage and materials: Bearing steel
*Cr(kN): 26.98
*Cor(kN): 19.84
*Grease lubrication limit speed (rpm): 1800
*Oil lubrication limit speed (rpm): 2000