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Bearing 71901 CD/P4A (SKF)

Angular contact ball bearings, super-precision 71901 CD/P4A

Bearing number : 71901 CD/P4A

Size (mm) : 12x24x6

Brand : SKF

Bore Diameter (mm) : 12

Outer Diameter (mm) : 24

Width (mm) : 6

Bearing dimensions and specification in SKF catalogue:

d - 12 mm

D - 24 mm

B - 6 mm

d₁ - 16 mm

d₂ - 16 mm

D₁ - 20 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.2 mm

a - 5.4 mm

d_a - min. - 14 mm

d_b - min. - 14 mm

D_a - max. - 22 mm

D_b - max. - 22.6 mm

r_a - max. - 0.3 mm

r_b - max. - 0.2 mm

d_n - 16.8 mm

Basic dynamic load rating - C - 2.6 kN

Basic static load rating - C₀ - 1.2 kN

Fatigue load limit - P_u - 0.053 kN

Limiting speed for grease lubrication - 63000 r/min

Limiting speed for oil lubrication - 95000 mm/min

Ball - D_w - 3.175 mm

Ball - z - 13

G_ref - 0.12 cm3

Calculation factor - f₀ - 9.8

Preload class A - G_A - 10 N

Preload class B - G_B - 20 N

Preload class C - G_C - 40 N

Preload class D - G_D - 80 N

Calculation factor - f - 1.04

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.04

Calculation factor - f_2C - 1.09

Calculation factor - f_2D - 1.15

Calculation factor - f_HC - 1

Preload class A - 13 N/micron

Preload class B - 17 N/micron

Preload class C - 23 N/micron

Preload class D - 33 N/micron

Mass bearing - 0.01 kg

Tags :  SKF , 12x24x6