Bearing 7405 BCBM (SKF)

Angular contact ball bearings, single row 7405 BCBM

Bearing number : 7405 BCBM

Size (mm) : 25x80x21

Brand : SKF

Bore Diameter (mm) : 25

Outer Diameter (mm) : 80

Width (mm) : 21

Bearing dimensions and specification in SKF catalogue:

d - 25 mm

D - 80 mm

B - 21 mm

d₁ - - 49.2 mm

d₂ - - 40.32 mm

D₁ - - 60.2 mm

a - 33 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 1.5 mm

d_a - min. - 55 mm

D_a - max. - 110 mm

D_b - max. - 71.1 mm

r_a - max. - 2 mm

r_b - max. - 2 mm

Basic dynamic load rating - C - 39.7 kN

Basic static load rating - C₀ - 23.6 kN

Fatigue load limit - P_u - 1 kN

Reference speed - 11000 r/min

Limiting speed - 11000 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 - 0.61 kg

Designation

Bore Dia, mm

Outer Dia, mm: