Bearing 71972 BM (SKF)

Angular contact ball bearings, single row 71972 BM

Bearing number : 71972 BM

Size (mm) : 360x480x56

Brand : SKF

Bore Diameter (mm) : 360

Outer Diameter (mm) : 480

Width (mm) : 56

Bearing dimensions and specification in SKF catalogue:

d - 360 mm

D - 480 mm

B - 56 mm

d₁ - - 408 mm

D₁ - - 441.66 mm

a - 204 mm

r_1,2 - min. - 3 mm

r_3,4 - min. - 1.1 mm

d_a - min. - 373 mm

D_a - max. - 467 mm

D_b - max. - 474 mm

r_a - max. - 2.5 mm

r_b - max. - 1 mm

Basic dynamic load rating - C - 302 kN

Basic static load rating - C₀ - 550 kN

Fatigue load limit - P_u - 11.2 kN

Reference speed - 1400 r/min

Limiting speed - 1500 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 - 28.5 kg

Designation

Bore Dia, mm

Outer Dia, mm: