239760B KOYO 310x420x144mm d1 384 mm Thrust ball bearings
Bearing number 239760B Size (mm) 310x420x144 Brand KOYO Bore Diameter (mm) 310 Outer Diameter (mm) 420 Width (mm) 144 d 310 mm D 420 mm Ew 391 mm T 144 mm B 36 mm C 72 mm Angle (α) 60 ° d1 384 mm r min. 3 mm r1 min. 1.1 mm W 14 mm