Bearing 7308 BECBM (SKF)

Angular contact ball bearings, single row 7308 BECBM

Bearing number : 7308 BECBM

Size (mm) : 40x90x23

Brand : SKF

Bore Diameter (mm) : 40

Outer Diameter (mm) : 90

Width (mm) : 23

Bearing dimensions and specification in SKF catalogue:

d - 40 mm

D - 90 mm

B - 23 mm

d₁ - - 59.7 mm

d₂ - - 49.55 mm

D₁ - - 71.6 mm

a - 39 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 1 mm

d_a - min. - 49 mm

D_a - max. - 81 mm

D_b - max. - 84.4 mm

r_a - max. - 1.5 mm

r_b - max. - 1 mm

Basic dynamic load rating - C - 50 kN

Basic static load rating - C₀ - 32.5 kN

Fatigue load limit - P_u - 1.4 kN

Reference speed - 10000 r/min

Limiting speed - 10000 r/min

Calculation factor - k_r - 0.1

Calculation factor - k_a - 1.6

Calculation factor - e - 1.14

Calculation factor - X - 0.57

Calculation factor - Y₀ - 0.52

Calculation factor - Y₁ - 0.55

Calculation factor - Y₂ - 0.93

Calculation factor - X - 0.35

Calculation factor - Y₀ - 0.26

Calculation factor - Y₁ -

Calculation factor - Y₂ - 0.57

Mass bearing - 0.68 kg

Designation

Bore Dia, mm

Outer Dia, mm: