Bearing 7028 BGM (SKF)

Angular contact ball bearings, single row 7028 BGM

Bearing number : 7028 BGM

Size (mm) : 140x210x33

Brand : SKF

Bore Diameter (mm) : 140

Outer Diameter (mm) : 210

Width (mm) : 33

Bearing dimensions and specification in SKF catalogue:

d - 140 mm

D - 210 mm

B - 33 mm

d₁ - - 167.4 mm

d₂ - - 154.95 mm

D₁ - - 184.35 mm

a - 90 mm

r_1,2 - min. - 2 mm

r_3,4 - min. - 1 mm

d_a - min. - 150 mm

D_a - max. - 200 mm

D_b - max. - 204 mm

r_a - max. - 2 mm

r_b - max. - 1 mm

Basic dynamic load rating - C - 114 kN

Basic static load rating - C₀ - 129 kN

Fatigue load limit - P_u - 4.2 kN

Reference speed - 3200 r/min

Limiting speed - 3400 r/min

Calculation factor - k_r - 0.083

Calculation factor - k_a - 0.9

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 - 3.85 kg

Designation

Bore Dia, mm

Outer Dia, mm: