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Bearing 71926 ACD/HCP4A (SKF)

Angular contact ball bearings, super-precision 71926 ACD/HCP4A

Bearing number : 71926 ACD/HCP4A

Size (mm) : 130x180x24

Brand : SKF

Bore Diameter (mm) : 130

Outer Diameter (mm) : 180

Width (mm) : 24

Bearing dimensions and specification in SKF catalogue:

d - 130 mm

D - 180 mm

B - 24 mm

d₁ - 145.4 mm

d₂ - 145.4 mm

D₁ - 164.6 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 0.6 mm

a - 48.3 mm

d_a - min. - 137 mm

d_b - min. - 137 mm

D_a - max. - 173 mm

D_b - max. - 176 mm

r_a - max. - 1.5 mm

r_b - max. - 0.6 mm

d_n - 149.5 mm

Basic dynamic load rating - C - 87.1 kN

Basic static load rating - C₀ - 102 kN

Fatigue load limit - P_u - 3.4 kN

Limiting speed for grease lubrication - 7500 r/min

Limiting speed for oil lubrication - 12000 mm/min

Ball - D_w - 15.875 mm

Ball - z - 27

G_ref - 20.4 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 - 540 N

Preload class B - G_B - 1080 N

Preload class C - G_C - 2160 N

Preload class D - G_D - 4320 N

Calculation factor - f - 1.25

Calculation factor - f₁ - 0.98

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.07

Calculation factor - f_2C - 1.12

Calculation factor - f_2D - 1.17

Calculation factor - f_HC - 1.04

Preload class A - 361 N/micron

Preload class B - 474 N/micron

Preload class C - 633 N/micron

Preload class D - 866 N/micron

Mass bearing - 1.301 kg

Tags :  SKF , 130x180x24