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Bearing S71908 CD/HCP4A (SKF)

Angular contact ball bearings, super-precision S71908 CD/HCP4A

Bearing number : S71908 CD/HCP4A

Size (mm) : 40x62x12

Brand : SKF

Bore Diameter (mm) : 40

Outer Diameter (mm) : 62

Width (mm) : 12

Bearing dimensions and specification in SKF catalogue:

d - 40 mm

D - 62 mm

B - 12 mm

d₁ - 47.1 mm

d₂ - 47.1 mm

D₂ - 57.12 mm

r_1,2 - min. - 0.6 mm

r_3,4 - min. - 0.3 mm

a - 12.9 mm

d_a - min. - 43.2 mm

d_a - max. - 46.6 mm

d_b - min. - 43.2 mm

d_b - max. - 46.6 mm

D_a - max. - 58.8 mm

D_b - max. - 60.6 mm

r_a - max. - 0.6 mm

r_b - max. - 0.3 mm

Basic dynamic load rating - C - 12.4 kN

Basic static load rating - C₀ - 8.5 kN

Fatigue load limit - P_u - 0.36 kN

Limiting speed for grease lubrication - 28000 r/min

Ball - D_w - 6.35 mm

Ball - z - 21

Calculation factor - f₀ - 10.4

Preload class A - G_A - 45 N

Preload class B - G_B - 90 N

Preload class C - G_C - 180 N

Preload class D - G_D - 360 N

Calculation factor - f - 1.09

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.07

Calculation factor - f_2C - 1.12

Calculation factor - f_2D - 1.18

Calculation factor - f_HC - 1.04

Preload class A - 40 N/micron

Preload class B - 54 N/micron

Preload class C - 73 N/micron

Preload class D - 103 N/micron

Mass bearing - 0.1 kg

Tags :  SKF , 40x62x12