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Bearing 7020 ACB/P4AL (SKF)

Angular contact ball bearings, super-precision 7020 ACB/P4AL

Bearing number : 7020 ACB/P4AL

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 - 118.7 mm

d₂ - 116.15 mm

D₂ - 135 mm

b - 2.2 mm

C₁ - 13.4 mm

C₂ - 5.2 mm

C₃ - 4.2 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 1 mm

a - 41.4 mm

d_a - min. - 107 mm

d_b - min. - 107 mm

D_a - max. - 143 mm

D_b - max. - 145.4 mm

r_a - max. - 1.5 mm

r_b - max. - 1 mm

d_n - 120 mm

Basic dynamic load rating - C - 28.1 kN

Basic static load rating - C₀ - 25.5 kN

Fatigue load limit - P_u - 0.98 kN

Limiting speed for grease lubrication - 10000 r/min

Limiting speed for oil lubrication - 15000 mm/min

Ball - D_w - 10.319 mm

Ball - z - 27

G_ref - 15.34 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 - 165 N

Preload class B - G_B - 330 N

Preload class C - G_C - 990 N

Calculation factor - f - 1.08

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.01

Calculation factor - f_2C - 1.04

Calculation factor - f_HC - 1

Preload class A - 152 N/micron

Preload class B - 194 N/micron

Preload class C - 294 N/micron

Mass bearing - 1.36 kg

Tags :  SKF , 100x150x24