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Bearing 71913 CB/HCP4AL (SKF)

Angular contact ball bearings, super-precision 71913 CB/HCP4AL

Bearing number : 71913 CB/HCP4AL

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 - 73.94 mm

d₂ - 72.72 mm

D₂ - 83.46 mm

b - 2 mm

C₁ - 6.5 mm

C₂ - 3.8 mm

C₃ - 1.7 mm

r_1,2 - min. - 1 mm

r_3,4 - min. - 0.3 mm

a - 20.1 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 - 74.8 mm

Basic dynamic load rating - C - 10.6 kN

Basic static load rating - C₀ - 9.5 kN

Fatigue load limit - P_u - 0.4 kN

Limiting speed for grease lubrication - 24000 r/min

Limiting speed for oil lubrication - 36000 mm/min

Ball - D_w - 5.556 mm

Ball - z - 32

G_ref - 2.96 cm3

Calculation factor - f₀ - 9.9

Preload class A - G_A - 35 N

Preload class B - G_B - 70 N

Preload class C - G_C - 210 N

Calculation factor - f - 1.13

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.03

Calculation factor - f_2C - 1.08

Calculation factor - f_HC - 1.01

Preload class A - 43 N/micron

Preload class B - 56 N/micron

Preload class C - 90 N/micron

Mass bearing - 0.194 kg

Tags :  SKF , 65x90x13