Bearing 7010 ACB/P4A (SKF)

 

Angular contact ball bearings, super-precision 7010 ACB/P4A

Bearing number : 7010 ACB/P4A

Size (mm) : 50x80x16

Brand : SKF

Bore Diameter (mm) : 50

Outer Diameter (mm) : 80

Width (mm) : 16

Bearing dimensions and specification in SKF catalogue:

d - 50 mm

D - 80 mm

B - 16 mm

d₁ - 61.44 mm

d₂ - 59.65 mm

D₂ - 70.7 mm

r_1,2 - min. - 1 mm

r_3,4 - min. - 0.6 mm

a - 23.2 mm

d_a - min. - 54.6 mm

d_b - min. - 54.6 mm

D_a - max. - 75.4 mm

D_b - max. - 76.8 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

d_n - 61.8 mm

Basic dynamic load rating - C - 9.4 kN

Basic static load rating - C₀ - 7.4 kN

Fatigue load limit - P_u - 0.31 kN

Limiting speed for grease lubrication - 22000 r/min

Limiting speed for oil lubrication - 32000 mm/min

Ball - D_w - 5.556 mm

Ball - z - 27

G_ref - 3.11 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 - 56 N

Preload class B - G_B - 110 N

Preload class C - G_C - 330 N

Calculation factor - f - 1.06

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 - 87 N/micron

Preload class B - 110 N/micron

Preload class C - 165 N/micron

Mass bearing - 0.29 kg