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Bearing 7011 ACE/HCP4AL (SKF)

Angular contact ball bearings, super-precision 7011 ACE/HCP4AL

Bearing number : 7011 ACE/HCP4AL

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 - 67.73 mm

d₂ - 65.6 mm

D₁ - 77.25 mm

b - 2.4 mm

C₁ - 9 mm

C₂ - 3.4 mm

C₃ - 3.4 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

a - 26.1 mm

d_a - min. - 61 mm

d_b - min. - 61 mm

D_a - max. - 84 mm

D_b - max. - 85.8 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

d_n - 69.6 mm

Basic dynamic load rating - C - 15.9 kN

Basic static load rating - C₀ - 11.6 kN

Fatigue load limit - P_u - 0.49 kN

Limiting speed for grease lubrication - 23000 r/min

Limiting speed for oil lubrication - 35000 mm/min

Ball - D_w - 7.938 mm

Ball - z - 24

G_ref - 5 cm3

Calculation factor - e - 0.68

Calculation factor - Y₂ - 0.87

Calculation factor - Y₀ - 0.38

Calculation factor - X₂ - 0.41

Calculation factor - Y₁ - 0.92

Calculation factor - Y₂ - 1.41

Calculation factor - Y₀ - 0.76

Calculation factor - X₂ - 0.67

Preload class A - G_A - 140 N

Preload class B - G_B - 430 N

Preload class C - G_C - 860 N

Calculation factor - f - 1.07

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.03

Calculation factor - f_2C - 1.06

Calculation factor - f_HC - 1.01

Preload class A - 128 N/micron

Preload class B - 193 N/micron

Preload class C - 251 N/micron

Mass bearing - 0.362 kg

Tags :  SKF , 55x90x18