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Bearing 71913 CD/P4AL (SKF)

Angular contact ball bearings, super-precision 71913 CD/P4AL

Bearing number : 71913 CD/P4AL

Size (mm) : 65x90x13

Brand : SKF

Bore Diameter (mm) : 65

Outer Diameter (mm) : 90

Width (mm) : 13

Bearing dimensions and specification in SKF catalogue:

d - 65 mm

D - 90 mm

B - 13 mm

d₁ - 72.7 mm

d₂ - 72.7 mm

D₁ - 82.3 mm

b - 2.2 mm

C₁ - 6.5 mm

C₂ - 3.2 mm

C₃ - 2 mm

r_1,2 - min. - 1 mm

r_3,4 - min. - 0.3 mm

a - 17 mm

d_a - min. - 69.6 mm

d_b - min. - 69.6 mm

D_a - max. - 85.4 mm

D_b - max. - 88 mm

r_a - max. - 1 mm

r_b - max. - 0.3 mm

d_n - 74.7 mm

Basic dynamic load rating - C - 20.8 kN

Basic static load rating - C₀ - 17 kN

Fatigue load limit - P_u - 0.71 kN

Limiting speed for grease lubrication - 14000 r/min

Limiting speed for oil lubrication - 22000 mm/min

Ball - D_w - 7.938 mm

Ball - z - 26

G_ref - 2.85 cm3

Calculation factor - f₀ - 10.7

Preload class A - G_A - 80 N

Preload class B - G_B - 160 N

Preload class C - G_C - 320 N

Preload class D - G_D - 640 N

Calculation factor - f - 1.2

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 - 56 N/micron

Preload class B - 75 N/micron

Preload class C - 104 N/micron

Preload class D - 148 N/micron

Mass bearing - 0.21 kg

Tags :  SKF , 65x90x13