51128X NSK SRI 7.72 140x180x31mm Thrust ball bearings
Bearing number 51128X Size (mm) 140x180x31 Brand NSK Bore Diameter (mm) 140 Outer Diameter (mm) 180 Width (mm) 31 d 140 mm D 180 mm T 31 mm d1 178 mm r min. 1 mm D1 142 mm da min. 164 mm Da max. 156 mm ra max. 1 mm Weight 1.83 Kg Basic dynamic