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Bearing 71922 ACB/P4AL (SKF)

Angular contact ball bearings, super-precision 71922 ACB/P4AL

Bearing number : 71922 ACB/P4AL

Size (mm) : 110x150x20

Brand : SKF

Bore Diameter (mm) : 110

Outer Diameter (mm) : 150

Width (mm) : 20

Bearing dimensions and specification in SKF catalogue:

d - 110 mm

D - 150 mm

B - 20 mm

d₁ - 124.42 mm

d₂ - 122.5 mm

D₂ - 139 mm

b - 2.2 mm

C₁ - 10.9 mm

C₂ - 4.5 mm

C₃ - 2.9 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

a - 46.9 mm

d_a - min. - 116 mm

d_b - min. - 116 mm

D_a - max. - 144 mm

D_b - max. - 146.8 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

d_n - 125.7 mm

Basic dynamic load rating - C - 24.7 kN

Basic static load rating - C₀ - 25.5 kN

Fatigue load limit - P_u - 0.95 kN

Limiting speed for grease lubrication - 10000 r/min

Limiting speed for oil lubrication - 15000 mm/min

Ball - D_w - 8.731 mm

Ball - z - 37

G_ref - 11.43 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 - 145 N

Preload class B - G_B - 290 N

Preload class C - G_C - 870 N

Calculation factor - f - 1.14

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.02

Calculation factor - f_2C - 1.07

Calculation factor - f_HC - 1

Preload class A - 174 N/micron

Preload class B - 221 N/micron

Preload class C - 338 N/micron

Mass bearing - 0.897 kg

Tags :  SKF , 110x150x20