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Bearing 71924 ACD/P4AL (SKF)

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

Bearing number : 71924 ACD/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 - 133.9 mm

d₂ - 133.9 mm

D₁ - 151.1 mm

b - 2.6 mm

C₁ - 11.9 mm

C₂ - 4.2 mm

C₃ - 2.9 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

a - 44.4 mm

d_a - min. - 126 mm

d_b - min. - 126 mm

D_a - max. - 159 mm

D_b - max. - 161 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

d_n - 137.6 mm

Basic dynamic load rating - C - 72.8 kN

Basic static load rating - C₀ - 86.5 kN

Fatigue load limit - P_u - 3 kN

Limiting speed for grease lubrication - 7000 r/min

Limiting speed for oil lubrication - 11000 mm/min

Ball - D_w - 14.288 mm

Ball - z - 28

G_ref - 15.3 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 - 450 N

Preload class B - G_B - 900 N

Preload class C - G_C - 1800 N

Preload class D - G_D - 3600 N

Calculation factor - f - 1.26

Calculation factor - f₁ - 0.98

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.04

Calculation factor - f_2C - 1.08

Calculation factor - f_2D - 1.14

Calculation factor - f_HC - 1

Preload class A - 302 N/micron

Preload class B - 396 N/micron

Preload class C - 529 N/micron

Preload class D - 724 N/micron

Mass bearing - 1.15 kg

Tags :  SKF , 120x165x22