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Bearing 71924 ACB/P4AL (SKF)

Angular contact ball bearings, super-precision 71924 ACB/P4AL

Bearing number : 71924 ACB/P4AL

Size (mm) : 120x165x22

Brand : SKF

Bore Diameter (mm) : 120

Outer Diameter (mm) : 165

Width (mm) : 22

Bearing dimensions and specification in SKF catalogue:

d - 120 mm

D - 165 mm

B - 22 mm

d₁ - 136.92 mm

d₂ - 135 mm

D₂ - 151.9 mm

b - 2.2 mm

C₁ - 11.9 mm

C₂ - 4.5 mm

C₃ - 2.9 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

a - 49.2 mm

d_a - min. - 126 mm

d_b - min. - 126 mm

D_a - max. - 159 mm

D_b - max. - 161.8 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

d_n - 138.2 mm

Basic dynamic load rating - C - 25.5 kN

Basic static load rating - C₀ - 28.5 kN

Fatigue load limit - P_u - 1 kN

Limiting speed for grease lubrication - 9000 r/min

Limiting speed for oil lubrication - 14000 mm/min

Ball - D_w - 8.731 mm

Ball - z - 41

G_ref - 14.01 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 - 155 N

Preload class B - G_B - 310 N

Preload class C - G_C - 930 N

Calculation factor - f - 1.13

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 - 188 N/micron

Preload class B - 243 N/micron

Preload class C - 366 N/micron

Mass bearing - 1.269 kg

Tags :  SKF , 120x165x22