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Bearing 71810 CD/P4 (SKF)

Angular contact ball bearings, super-precision 71810 CD/P4

Bearing number : 71810 CD/P4

Size (mm) : 50x65x7

Brand : SKF

Bore Diameter (mm) : 50

Outer Diameter (mm) : 65

Width (mm) : 7

Bearing dimensions and specification in SKF catalogue:

d - 50 mm

D - 65 mm

B - 7 mm

d₁ - 55.1 mm

d₂ - 55.1 mm

D₁ - 60 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.15 mm

a - 11.2 mm

d_a - min. - 52 mm

d_b - min. - 52 mm

D_a - max. - 63 mm

D_b - max. - 64.2 mm

r_a - max. - 0.3 mm

r_b - max. - 0.15 mm

d_n - 55.6 mm

Basic dynamic load rating - C - 7.4 kN

Basic static load rating - C₀ - 7.8 kN

Fatigue load limit - P_u - 0.335 kN

Limiting speed for grease lubrication - 20000 r/min

Limiting speed for oil lubrication - 30000 mm/min

Ball - D_w - 3.969 mm

Ball - z - 30

G_ref - 0.5 cm3

Calculation factor - f₀ - 17.2

Preload class A - G_A - 40 N

Preload class B - G_B - 120 N

Preload class C - G_C - 240 N

Calculation factor - f - 1.3

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.09

Calculation factor - f_2C - 1.16

Calculation factor - f_HC - 1

Preload class A - 47 N/micron

Preload class B - 81 N/micron

Preload class C - 119 N/micron

Mass bearing - 0.051 kg

Tags :  SKF , 50x65x7