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Bearing 7011 CD/P4A (SKF)

Angular contact ball bearings, super-precision 7011 CD/P4A

Bearing number : 7011 CD/P4A

Size (mm) : 55x90x18

Brand : SKF

Bore Diameter (mm) : 55

Outer Diameter (mm) : 90

Width (mm) : 18

Bearing dimensions and specification in SKF catalogue:

d - 55 mm

D - 90 mm

B - 18 mm

d₁ - 65.8 mm

d₂ - 65.8 mm

D₁ - 79.2 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

a - 18.8 mm

d_a - min. - 61 mm

d_b - min. - 61 mm

D_a - max. - 84 mm

D_b - max. - 86.8 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

d_n - 68.1 mm

Basic dynamic load rating - C - 39.7 kN

Basic static load rating - C₀ - 32.5 kN

Fatigue load limit - P_u - 1.4 kN

Limiting speed for grease lubrication - 15000 r/min

Limiting speed for oil lubrication - 24000 mm/min

Ball - D_w - 11.112 mm

Ball - z - 18

G_ref - 5.1 cm3

Calculation factor - f₀ - 15.1

Preload class A - G_A - 150 N

Preload class B - G_B - 300 N

Preload class C - G_C - 600 N

Preload class D - G_D - 1200 N

Calculation factor - f - 1.1

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.02

Calculation factor - f_2C - 1.05

Calculation factor - f_2D - 1.09

Calculation factor - f_HC - 1

Preload class A - 67 N/micron

Preload class B - 91 N/micron

Preload class C - 128 N/micron

Preload class D - 186 N/micron

Mass bearing - 0.378 kg

Tags :  SKF , 55x90x18