Bearing NU 256 MA (SKF)

Cylindrical roller bearings, single row NU 256 MA

Bearing number : NU 256 MA

Size (mm) : 280x500x80

Brand : SKF

Bore Diameter (mm) : 280

Outer Diameter (mm) : 500

Width (mm) : 80

Bearing dimensions and specification in SKF catalogue:

d - 280 mm

D - 500 mm

B - 80 mm

D₁ - - 417 mm

F - 340 mm

r_1,2 - min. - 5 mm

s - 3.8 mm

d_a - min. - 300 mm

d_a - max. - 333 mm

d_b - min. - 344 mm

D_a - max. - 480 mm

r_a - max. - 4 mm

Basic dynamic load rating - C - 1190 kN

Basic static load rating - C₀ - 1800 kN

Fatigue load limit - P_u - 156 kN

Reference speed - 1400 r/min

Limiting speed - 1900 r/min

Calculation factor - k_r - 0.15

Mass bearing - 71.5 kg

Designation

Bore Dia, mm

Outer Dia, mm: