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Bearing 71901 ACD/HCP4A (SKF)

Angular contact ball bearings, super-precision 71901 ACD/HCP4A

Bearing number : 71901 ACD/HCP4A

Size (mm) : 12x24x6

Brand : SKF

Bore Diameter (mm) : 12

Outer Diameter (mm) : 24

Width (mm) : 6

Bearing dimensions and specification in SKF catalogue:

d - 12 mm

D - 24 mm

B - 6 mm

d₁ - 16 mm

d₂ - 16 mm

D₁ - 20 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.2 mm

a - 7.3 mm

d_a - min. - 14 mm

d_b - min. - 14 mm

D_a - max. - 22 mm

D_b - max. - 22.6 mm

r_a - max. - 0.3 mm

r_b - max. - 0.2 mm

d_n - 16.8 mm

Basic dynamic load rating - C - 2.6 kN

Basic static load rating - C₀ - 1.2 kN

Fatigue load limit - P_u - 0.05 kN

Limiting speed for grease lubrication - 67000 r/min

Limiting speed for oil lubrication - 100000 mm/min

Ball - D_w - 3.175 mm

Ball - z - 13

G_ref - 0.12 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 - 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 - 1.04

Calculation factor - f₁ - 0.98

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.07

Calculation factor - f_2C - 1.12

Calculation factor - f_2D - 1.17

Calculation factor - f_HC - 1.04

Preload class A - 34 N/micron

Preload class B - 44 N/micron

Preload class C - 57 N/micron

Preload class D - 76 N/micron

Mass bearing - 0.01 kg

Tags :  SKF , 12x24x6