51188 KOYO 440x540x80mm D1 444 mm Thrust ball bearings
Bearing number 51188 Size (mm) 440x540x80 Brand KOYO Bore Diameter (mm) 440 Outer Diameter (mm) 540 Width (mm) 80 d 440 mm D 540 mm T 80 mm d1 535 mm r min. 2.1 mm D1 444 mm da min. 499 mm Da max. 481 mm ra max. 2 mm Weight 41.5 Kg Basic dynamic