71968CDMA/HCP4A轴承

d - 340 mm

D - 460 mm

B - 56 mm

d₁ - 377 mm

d₂ - 377 mm

D₁ - 423 mm

r_1,2 - min. - 3 mm

r_3,4 - min. - 1.1 mm

a - 81.8 mm

d_a - min. - 353 mm

d_b - min. - 353 mm

D_a - max. - 445 mm

D_b - max. - 454 mm

r_a - max. - 2.5 mm

r_b - max. - 1 mm

d_n - 387 mm

Basic dynamic load rating - C - 390 kN

Basic static load rating - C₀ - 670 kN

Fatigue load limit - P_u - 14.3 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 - 29

G_ref - 294 cm3

Calculation factor - f₀ - 16.6

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 - 1.27

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 - 333 N/micron

Preload class B - 453 N/micron

Preload class C - 634 N/micron

Preload class D - 918 N/micron

Mass bearing - 21.551 kg