Bearing NJ 252 MA (SKF)

Cylindrical roller bearings, single row NJ 252 MA

Bearing number : NJ 252 MA

Size (mm) : 260x480x80

Brand : SKF

Bore Diameter (mm) : 260

Outer Diameter (mm) : 480

Width (mm) : 80

Bearing dimensions and specification in SKF catalogue:

d - 260 mm

D - 480 mm

B - 80 mm

d₁ - - 340 mm

D₁ - - 397 mm

F - 320 mm

r_1,2 - min. - 5 mm

s - 3.4 mm

d_a - min. - 280 mm

d_a - max. - 313 mm

d_b - min. - 344 mm

D_a - max. - 460 mm

r_a - max. - 4 mm

Basic dynamic load rating - C - 1170 kN

Basic static load rating - C₀ - 1700 kN

Fatigue load limit - P_u - 150 kN

Reference speed - 1400 r/min

Limiting speed - 2000 r/min

Calculation factor - k_r - 0.15

Mass bearing - 69 kg

Designation

Bore Dia, mm

Outer Dia, mm: