Double-row Cylindrical Roller Bearings

Double-row Cylindrical Roller Bearings

Dimension and Parameters

Bearing NO.
Cylindrical bore :NN4960
Tapered bore :NN4960K
Boundary dimensions(mm)
d :300
D :420
B/C :118
r 1.2min :3
r3.4min :3
Basic load ratings(kN)
Cr :1020
Cor :2360
Limiting speed(rpm)
Speed Ratings :2000
Abutment and fillet dimensions(mm)
da max :320
Da max :398
ra max :2.5
rb max :2.5
Weight (kg)
Refer :51.6