Bearing NJ 1984 ECMA (SKF)

Cylindrical roller bearings, single row NJ 1984 ECMA

Bearing number : NJ 1984 ECMA

Size (mm) : 420x560x65

Brand : SKF

Bore Diameter (mm) : 420

Outer Diameter (mm) : 560

Width (mm) : 65

Bearing dimensions and specification in SKF catalogue:

d - 420 mm

D - 560 mm

B - 65 mm

d₁ - - 461 mm

D₁ - - 513 mm

F - 449 mm

r_1,2 - min. - 4 mm

s - 6.9 mm

d_a - min. - 435 mm

d_a - max. - 442 mm

d_b - min. - 466 mm

D_a - max. - 545 mm

r_a - max. - 3 mm

Basic dynamic load rating - C - 968 kN

Basic static load rating - C₀ - 1800 kN

Fatigue load limit - P_u - 156 kN

Reference speed - 1100 r/min

Limiting speed - 1500 r/min

Calculation factor - k_r - 0.07

Mass bearing - 48 kg

Designation

Bore Dia, mm

Outer Dia, mm: