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Bearing 71972 CDMA/HCP4A (SKF)

Angular contact ball bearings, super-precision 71972 CDMA/HCP4A

Bearing number : 71972 CDMA/HCP4A

Size (mm) : 360x480x56

Brand : SKF

Bore Diameter (mm) : 360

Outer Diameter (mm) : 480

Width (mm) : 56

Bearing dimensions and specification in SKF catalogue:

d - 360 mm

D - 480 mm

B - 56 mm

d₁ - 397 mm

d₂ - 397 mm

D₁ - 443 mm

r_1,2 - min. - 3 mm

r_3,4 - min. - 1.1 mm

a - 84.5 mm

d_a - min. - 373 mm

d_b - min. - 373 mm

D_a - max. - 465 mm

D_b - max. - 474 mm

r_a - max. - 2.5 mm

r_b - max. - 1 mm

d_n - 407 mm

Basic dynamic load rating - C - 397 kN

Basic static load rating - C₀ - 710 kN

Fatigue load limit - P_u - 14.6 kN

Limiting speed for grease lubrication - 3400 r/min

Limiting speed for oil lubrication - 4800 mm/min

Ball - D_w - 38.1 mm

Ball - z - 30

G_ref - 313 cm3

Calculation factor - f₀ - 16.7

Preload class A - G_A - 1460 N

Preload class B - G_B - 2920 N

Preload class C - G_C - 5840 N

Preload class D - G_D - 11680 N

Calculation factor - f - 1.29

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.07

Calculation factor - f_2C - 1.12

Calculation factor - f_2D - 1.18

Calculation factor - f_HC - 1.04

Preload class A - 343 N/micron

Preload class B - 466 N/micron

Preload class C - 653 N/micron

Preload class D - 947 N/micron

Mass bearing - 22.632 kg

Tags :  SKF , 360x480x56