Bearing NNCF 4844 CV (SKF)

Double row cylindrical roller bearings NNCF 4844 CV

Bearing number : NNCF 4844 CV

Size (mm) : 220x270x50

Brand : SKF

Bore Diameter (mm) : 220

Outer Diameter (mm) : 270

Width (mm) : 50

Bearing dimensions and specification in SKF catalogue:

d - 220 mm

D - 270 mm

B - 50 mm

d₁ - - 241 mm

D₁ - - 250.5 mm

b₁ - 7 mm

K - 4 mm

s - 4 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 1.5 mm

d_a - min. - 227 mm

d_as - 233 mm

D_a - max. - 263 mm

r_a - max. - 1.5 mm

r_b - max. - 1.5 mm

Basic dynamic load rating - C - 380 kN

Basic static load rating - C₀ - 865 kN

Fatigue load limit - P_u - 85 kN

Reference speed - 1000 r/min

Limiting speed - 1200 r/min

Calculation factor - k_r - 0.2

Mass bearing - 6.3 kg

Designation

Bore Dia, mm

Outer Dia, mm: