Bearing S7008 FW/HC (SKF)

Angular contact ball bearings, super-precision S7008 FW/HC

Bearing number : S7008 FW/HC

Size (mm) : 40x68x15

Brand : SKF

Bore Diameter (mm) : 40

Outer Diameter (mm) : 68

Width (mm) : 15

Bearing dimensions and specification in SKF catalogue:

d - 40 mm

D - 68 mm

B - 15 mm

d₁ - 49.7 mm

d₂ - 47.6 mm

D₂ - 60.85 mm

r_1,2 - min. - 1 mm

r_3,4 - min. - 0.6 mm

a - 16.3 mm

d_a - min. - 44.6 mm

d_a - max. - 49.1 mm

d_b - min. - 44.6 mm

d_b - max. - 47 mm

D_a - max. - 63.4 mm

D_b - max. - 63.8 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

Basic dynamic load rating - C - 12.1 kN

Basic static load rating - C₀ - 7.5 kN

Fatigue load limit - P_u - 0.315 kN

Limiting speed for grease lubrication - 31000 r/min

Ball - D_w - 7.144 mm

Ball - z - 19

Calculation factor - e - 0.57

Calculation factor - Y₂ - 1

Calculation factor - Y₀ - 0.42

Calculation factor - X₂ - 0.43

Calculation factor - Y₁ - 1.09

Calculation factor - Y₂ - 1.63

Calculation factor - Y₀ - 0.84

Calculation factor - X₂ - 0.7

Mass bearing - 0.17 kg

Designation

Bore Dia, mm

Outer Dia, mm: