Bearing 52308 (SKF)

Double thrust ball bearings 52308

Bearing number : 52308

Size (mm) : 30x78x49

Brand : SKF

Bore Diameter (mm) : 30

Outer Diameter (mm) : 78

Width (mm) : 49

Bearing dimensions and specification in SKF catalogue:

d - 30 mm

D - 78 mm

H - 49 mm

D₁ - - 40 mm

B - 12 mm

r_1,2 - min. - 1 mm

r_3,4 - min. - 0.6 mm

d_a - 40 mm

D_a - max. - 55 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

Basic dynamic load rating - C - 61.8 kN

Basic static load rating - C₀ - 122 kN

Fatigue load limit - P_u - 4.5 kN

Reference speed - 2200 r/min

Limiting speed - 3000 r/min

Minimum load factor - A - 0.077

Mass bearing (including seat washer when applicable) - 1.05 kg

Designation

Bore Dia, mm

Outer Dia, mm: