Bearing 71984 BM (SKF)

Angular contact ball bearings, single row 71984 BM

Bearing number : 71984 BM

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 - - 472 mm

D₁ - - 507 mm

a - 238 mm

r_1,2 - min. - 4 mm

r_3,4 - min. - 1.5 mm

d_a - min. - 435 mm

D_a - max. - 545 mm

D_b - max. - 553 mm

r_a - max. - 3 mm

r_b - max. - 1.5 mm

Basic dynamic load rating - C - 364 kN

Basic static load rating - C₀ - 670 kN

Fatigue load limit - P_u - 13.7 kN

Reference speed - 1200 r/min

Limiting speed - 1200 r/min

Calculation factor - k_r - 0.085

Calculation factor - k_a - 0.7

Calculation factor - e - 1.14

Calculation factor - X - 0.35

Calculation factor - Y₀ - 0.26

Calculation factor - Y₁ -

Calculation factor - Y₂ - 0.57

Mass bearing - 44.5 kg

Designation

Bore Dia, mm

Outer Dia, mm: