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Bearing 71952 ACD/HCP4AL (SKF)

Angular contact ball bearings, super-precision 71952 ACD/HCP4AL

Bearing number : 71952 ACD/HCP4AL

Size (mm) : 260x360x46

Brand : SKF

Bore Diameter (mm) : 260

Outer Diameter (mm) : 360

Width (mm) : 46

Bearing dimensions and specification in SKF catalogue:

d - 260 mm

D - 360 mm

B - 46 mm

d₁ - 291.8 mm

d₂ - 291.8 mm

D₁ - 328.2 mm

b - 4 mm

C₁ - 24.9 mm

C₂ - 7.1 mm

C₃ - 6.7 mm

r_1,2 - min. - 2.1 mm

r_3,4 - min. - 1.1 mm

a - 95.5 mm

d_a - min. - 271 mm

d_b - min. - 271 mm

D_a - max. - 349 mm

D_b - max. - 354 mm

r_a - max. - 2 mm

r_b - max. - 1 mm

d_n - 299.7 mm

Basic dynamic load rating - C - 265 kN

Basic static load rating - C₀ - 400 kN

Fatigue load limit - P_u - 9.6 kN

Limiting speed for grease lubrication - 3600 r/min

Limiting speed for oil lubrication - 5300 mm/min

Ball - D_w - 30.162 mm

Ball - z - 29

G_ref - 150 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 - 1650 N

Preload class B - G_B - 3300 N

Preload class C - G_C - 6600 N

Preload class D - G_D - 13200 N

Calculation factor - f - 1.24

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 - 683 N/micron

Preload class B - 895 N/micron

Preload class C - 1189 N/micron

Preload class D - 1615 N/micron

Mass bearing - 10.408 kg

Tags :  SKF , 260x360x46