Bearing 308 (SKF)

Deep groove ball bearings, single row, with filling slots 308

Bearing number : 308

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 - - 56.11 mm

D₂ - - 77.7 mm

r_1,2 - min. - 1.5 mm

d_a - min. - 49 mm

D_a - max. - 81 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 45.7 kN

Basic static load rating - C₀ - 36 kN

Fatigue load limit - P_u - 1.5 kN

Reference speed - 14000 r/min

Limiting speed - 8500 r/min

Calculation factor - k_r - 0.05

Mass bearing - 0.64 kg

Designation

Bore Dia, mm

Outer Dia, mm: