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Bearing 71924 ACE/P4AL (SKF)

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

Bearing number : 71924 ACE/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 - 134 mm

d₂ - 130.2 mm

D₁ - 151.01 mm

b - 2.6 mm

C₁ - 11.9 mm

C₂ - 4.2 mm

C₃ - 3.6 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

a - 46.1 mm

d_a - min. - 126 mm

d_b - min. - 123.2 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 - 137.4 mm

Basic dynamic load rating - C - 44.9 kN

Basic static load rating - C₀ - 38 kN

Fatigue load limit - P_u - 1.3 kN

Limiting speed for grease lubrication - 9500 r/min

Limiting speed for oil lubrication - 15000 mm/min

Ball - D_w - 14.288 mm

Ball - z - 24

G_ref - 15 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 - 410 N

Preload class B - G_B - 1220 N

Preload class C - G_C - 2440 N

Calculation factor - f - 1.18

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.04

Calculation factor - f_2C - 1.07

Calculation factor - f_HC - 1

Preload class A - 207 N/micron

Preload class B - 312 N/micron

Preload class C - 411 N/micron

Mass bearing - 1.1 kg

Tags :  SKF , 120x165x22