Bearing 305272 D (SKF)

Double row angular contact ball bearings 305272 D

Bearing number : 305272 D

Size (mm) : 220x309,5x76

Brand : SKF

Bore Diameter (mm) : 220

Outer Diameter (mm) : 309,5

Width (mm) : 76

Bearing dimensions and specification in SKF catalogue:

d - 220 mm

D - 309.5 mm

B - 76 mm

d₁ - - 252.5 mm

D₁ - - 286 mm

b - 22 mm

K - 7.5 mm

r_1,2 - min. - 2.1 mm

a - 146 mm

d_a - min. - 225 mm

D_a - max. - 284 mm

r_a - max. - 2.1 mm

Basic dynamic load rating - C - 312 kN

Basic static load rating - C₀ - 520 kN

Fatigue load limit - P_u - 13.4 kN

Reference speed - 1700 r/min

Limiting speed - 2000 r/min

Calculation factor - k_r - 0.095

Calculation factor - e - 0.86

Calculation factor - X - 0.62

Calculation factor - Y₀ - 0.63

Calculation factor - Y₁ - 0.73

Calculation factor - Y₂ - 1.17

Mass bearing - 17.65 kg

Designation

Bore Dia, mm

Outer Dia, mm: