Bearings Online Catalogue

Home > Bearings Catalogue Online > Angular Contact Ball Bearings

Bearing 7011 CB/P4A (SKF)

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

Bearing number : 7011 CB/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 - 68.18 mm

d₂ - 66.65 mm

D₂ - 79.39 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 - 69.2 mm

Basic dynamic load rating - C - 14 kN

Basic static load rating - C₀ - 11 kN

Fatigue load limit - P_u - 0.465 kN

Limiting speed for grease lubrication - 22000 r/min

Limiting speed for oil lubrication - 32000 mm/min

Ball - D_w - 6.747 mm

Ball - z - 26

G_ref - 4.69 cm3

Calculation factor - f₀ - 9.7

Preload class A - G_A - 46 N

Preload class B - G_B - 92 N

Preload class C - G_C - 275 N

Calculation factor - f - 1.06

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.02

Calculation factor - f_2C - 1.05

Calculation factor - f_HC - 1

Preload class A - 38 N/micron

Preload class B - 50 N/micron

Preload class C - 80 N/micron

Mass bearing - 0.42 kg

Tags :  SKF , 55x90x18