30BWK18 NSK B1 49 mm Angular contact ball bearings
Bearing number 30BWK18 Brand NSK Bore Diameter (mm) 30 Outer Diameter (mm) 148 d 30 mm D 148 mm Df 148 mm Pb 114.3 mm Bi 15.5 mm b 24 mm r1 min. 4.5 mm r2 min. 3.6 mm B1 49 mm D 73.8 mm Dw 66 mm ℓ 59.7 Tolerance h14 Weight 1.98 Kg