Bearing NNC 4956 CV (SKF)

Double row cylindrical roller bearings NNC 4956 CV

Bearing number : NNC 4956 CV

Size (mm) : 280x380x100

Brand : SKF

Bore Diameter (mm) : 280

Outer Diameter (mm) : 380

Width (mm) : 100

Bearing dimensions and specification in SKF catalogue:

d - 280 mm

D - 380 mm

B - 100 mm

d₁ - - 317 mm

D₁ - - 343 mm

b₁ - 9.4 mm

K - 5 mm

r_1,2 - min. - 2.1 mm

d_a - min. - 293 mm

d_as - 305 mm

D_a - max. - 368 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 1210 kN

Basic static load rating - C₀ - 2700 kN

Fatigue load limit - P_u - 255 kN

Reference speed - 700 r/min

Limiting speed - 900 r/min

Calculation factor - k_r - 0.25

Mass bearing - 34 kg

Designation

Bore Dia, mm

Outer Dia, mm: