Bearing S7009 FW/HC (SKF)

Angular contact ball bearings, super-precision S7009 FW/HC

Bearing number : S7009 FW/HC

Size (mm) : 45x75x16

Brand : SKF

Bore Diameter (mm) : 45

Outer Diameter (mm) : 75

Width (mm) : 16

Bearing dimensions and specification in SKF catalogue:

d - 45 mm

D - 75 mm

B - 16 mm

d₁ - 55.7 mm

d₂ - 53.6 mm

D₂ - 66.85 mm

r_1,2 - min. - 1 mm

r_3,4 - min. - 0.6 mm

a - 17.7 mm

d_a - min. - 49.6 mm

d_a - max. - 55.1 mm

d_b - min. - 49.6 mm

d_b - max. - 53 mm

D_a - max. - 70.4 mm

D_b - max. - 70.8 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

Basic dynamic load rating - C - 12.7 kN

Basic static load rating - C₀ - 8.5 kN

Fatigue load limit - P_u - 0.355 kN

Limiting speed for grease lubrication - 28000 r/min

Ball - D_w - 7.144 mm

Ball - z - 21

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 - 0.23 kg

Designation

Bore Dia, mm

Outer Dia, mm: