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Bearing 7020 ACD/P4A (SKF)

Angular contact ball bearings, super-precision 7020 ACD/P4A

Bearing number : 7020 ACD/P4A

Size (mm) : 100x150x24

Brand : SKF

Bore Diameter (mm) : 100

Outer Diameter (mm) : 150

Width (mm) : 24

Bearing dimensions and specification in SKF catalogue:

d - 100 mm

D - 150 mm

B - 24 mm

d₁ - 115.4 mm

d₂ - 115.4 mm

D₁ - 134.6 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 1 mm

a - 41.3 mm

d_a - min. - 107 mm

d_b - min. - 107 mm

D_a - max. - 143 mm

D_b - max. - 146 mm

r_a - max. - 1.5 mm

r_b - max. - 1 mm

d_n - 118.7 mm

Basic dynamic load rating - C - 79.3 kN

Basic static load rating - C₀ - 80 kN

Fatigue load limit - P_u - 3 kN

Limiting speed for grease lubrication - 8000 r/min

Limiting speed for oil lubrication - 12000 mm/min

Ball - D_w - 15.875 mm

Ball - z - 22

G_ref - 16.2 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 - 500 N

Preload class B - G_B - 1000 N

Preload class C - G_C - 2000 N

Preload class D - G_D - 4000 N

Calculation factor - f - 1.16

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.02

Calculation factor - f_2C - 1.05

Calculation factor - f_2D - 1.08

Calculation factor - f_HC - 1

Preload class A - 270 N/micron

Preload class B - 355 N/micron

Preload class C - 472 N/micron

Preload class D - 640 N/micron

Mass bearing - 1.263 kg

Tags :  SKF , 100x150x24