Bearing RB4956 (NACHI)

Cylindrical roller bearings RB4956

Bearing number : RB4956

Size (mm) : 280x380x100

Brand : NACHI

Bore Diameter (mm) : 280

Outer Diameter (mm) : 380

Width (mm) : 100

Bearing dimensions and specification in NACHI catalogue:

d - 280 mm

D - 380 mm

B - 100 mm

C - 100 mm

d1 - 318 mm

r min. - 2.1 mm

D1 - 342.5 mm

da min. - 293 mm

Da max. - 367 mm

ra max. - 2 mm

Weight - 33.9 Kg

Basic dynamic load rating (C) - 1110 kN

Basic static load rating (C0) - 2780 kN

(Grease) Lubrication Speed - 350 r/min

(Oil) Lubrication Speed - 700 r/min

Designation

Bore Dia, mm

Outer Dia, mm: