Bearing 7248 BCBM (SKF)

Angular contact ball bearings, single row 7248 BCBM

Bearing number : 7248 BCBM

Size (mm) : 240x440x72

Brand : SKF

Bore Diameter (mm) : 240

Outer Diameter (mm) : 440

Width (mm) : 72

Bearing dimensions and specification in SKF catalogue:

d - 240 mm

D - 440 mm

B - 72 mm

d₁ - - 322.6 mm

d₂ - - 292.62 mm

D₁ - - 360.41 mm

a - 180 mm

r_1,2 - min. - 4 mm

r_3,4 - min. - 1.5 mm

d_a - min. - 257 mm

D_a - max. - 423 mm

D_b - max. - 431 mm

r_a - max. - 4 mm

r_b - max. - 1.5 mm

Basic dynamic load rating - C - 449 kN

Basic static load rating - C₀ - 670 kN

Fatigue load limit - P_u - 15.3 kN

Reference speed - 1600 r/min

Limiting speed - 2600 r/min

Calculation factor - k_r - 0.08

Calculation factor - k_a - 1.2

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 - 0.5

Calculation factor - Y₁ -

Calculation factor - Y₂ - 0.57

Mass bearing - 49 kg

Designation

Bore Dia, mm

Outer Dia, mm: