Double-row Cylindrical Roller Bearings

Double-row Cylindrical Roller Bearings

Dimension and Parameters

Bearing NO.
Cylindrical bore :NNU4856
Tapered bore :NNU4856K
Boundary dimensions(mm)
d :280
D :350
B/C :69
r 1.2min :2
r3.4min :2
Basic load ratings(kN)
Cr :445
Cor :1160
Limiting speed(rpm)
Speed Ratings :1700
Abutment and fillet dimensions(mm)
da max :298
Da max :340
ra max :2
rb max :2
Weight (kg)
Refer :15.5