Bearings Online Catalogue

Home > Bearings Catalogue Online > Angular Contact Ball Bearings

Bearing 7001 ACE/HCP4A (SKF)

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

Bearing number : 7001 ACE/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 - 17.5 mm

d₂ - 16.5 mm

D₁ - 22.45 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.15 mm

a - 8.8 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. - 0.15 mm

d_n - 18.5 mm

Basic dynamic load rating - C - 3.1 kN

Basic static load rating - C₀ - 1.3 kN

Fatigue load limit - P_u - 0.054 kN

Limiting speed for grease lubrication - 88000 r/min

Limiting speed for oil lubrication - 133000 mm/min

Ball - D_w - 3.969 mm

Ball - z - 12

G_ref - 0.31 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 - 28 N

Preload class B - G_B - 85 N

Preload class C - G_C - 170 N

Calculation factor - f - 1.02

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.03

Calculation factor - f_2C - 1.06

Calculation factor - f_HC - 1.01

Preload class A - 37 N/micron

Preload class B - 56 N/micron

Preload class C - 73 N/micron

Mass bearing - 0.019 kg

Tags :  SKF , 12x28x8