Needle Roller Bearing, Drawn Cup, Bore Dia. (In.) 1.125 in, Bore Dia. (mm) 28.575 mm, Outside Dia. (In.) 1.375 in, Outside Dia. (mm) 34.925 mm, Width (In.) 0.5 in, Width (mm) 12.7 mm, Max. RPM 3,700 RPM, Dynamic Load Capacity (Lb.) 3,810 lb, Dynamic Load Capacity (N) 16,960 N, Static Load Capacity (Lb.) 7,160 lb, Static Load Capacity (N) 31,850 N, Temp. Range (F) -5 Degrees to 250 Degrees F, Cage Material Steel