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Bearing 7001 CD/HCP4A (SKF)

Angular contact ball bearings, super-precision 7001 CD/HCP4A

Bearing number : 7001 CD/HCP4A

Size (mm) : 12x28x8

Brand : SKF

Bore Diameter (mm) : 12

Outer Diameter (mm) : 28

Width (mm) : 8

Bearing dimensions and specification in SKF catalogue:

d - 12 mm

D - 28 mm

B - 8 mm

d₁ - 17.1 mm

d₂ - 17.1 mm

D₁ - 22.9 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.2 mm

a - 6.7 mm

d_a - min. - 14 mm

d_b - min. - 14 mm

D_a - max. - 26 mm

D_b - max. - 26.6 mm

r_a - max. - 0.3 mm

r_b - max. - 0.2 mm

d_n - 18 mm

Basic dynamic load rating - C - 4.5 kN

Basic static load rating - C₀ - 1.9 kN

Fatigue load limit - P_u - 0.08 kN

Limiting speed for grease lubrication - 80000 r/min

Limiting speed for oil lubrication - 120000 mm/min

Ball - D_w - 4.762 mm

Ball - z - 10

G_ref - 0.27 cm3

Calculation factor - f₀ - 8.7

Preload class A - G_A - 15 N

Preload class B - G_B - 30 N

Preload class C - G_C - 60 N

Preload class D - G_D - 120 N

Calculation factor - f - 1.03

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.02

Calculation factor - f_2C - 1.05

Calculation factor - f_2D - 1.09

Calculation factor - f_HC - 1.02

Preload class A - 15 N/micron

Preload class B - 20 N/micron

Preload class C - 27 N/micron

Preload class D - 38 N/micron

Mass bearing - 0.018 kg

Tags :  SKF , 12x28x8