Bearing BSA 308 C (SKF)

Angular contact thrust ball bearings BSA 308 C

Bearing number : BSA 308 C

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

H - 23 mm

d₁ - 57.55 mm

d₂ - 66.5 mm

D₁ - 66.6 mm

D₂ - 77.27 mm

r_1,2 - min. - 1.5 mm

a - 74 mm

d_a - min. - 53 mm

d_b - min. - 53 mm

D_a - max. - 81 mm

D_b - max. - 81 mm

r_a - max. - 1.5 mm

Basic dynamic load rating - C - 67 kN

Basic static load rating - C₀ - 180 kN

Fatigue load limit - P_u - 6.7 kN

Limiting speed for grease lubrication - 5300 r/min

Limiting speed for oil lubrication - 7000 mm/min

Preload class A - 5100 N

Preload class B - 10200 N

Frictional moment, Preload class A - 0.35 N·m

Frictional moment, Preload class B - 0.62 N·m

Static Axial rigidity, Preload class A - 1340 N/micron

Static Axial rigidity, Preload class B - 1710 N/micron

Max. axial load - F_a - max. 78.2 kN

G_ref - 6.4 cm3

Mass bearing - 0.77 kg

Designation

Bore Dia, mm

Outer Dia, mm: