Needle Roller Bearing, Drawn Cup, Bore Dia. (In.) 1 in, Bore Dia. (mm) 25.4 mm, Outside Dia. (In.) 1.25 in, Outside Dia. (mm) 31.75 mm, Width (In.) 0.75 in, Width (mm) 19.05 mm, Max. RPM 4,100 RPM, Dynamic Load Capacity (Lb.) 5,570 lb, Dynamic Load Capacity (N) 24,770 N, Static Load Capacity (Lb.) 11,190 lb, Static Load Capacity (N) 49,790 N, Temp. Range (F) -5 Degrees to 250 Degrees F, Cage Material Steel