71910CD/HCP4A轴承

d - 50 mm

D - 72 mm

B - 12 mm

d₁ - 57.1 mm

d₂ - 57.1 mm

D₁ - 64.9 mm

r_1,2 - min. - 0.6 mm

r_3,4 - min. - 0.3 mm

a - 14.2 mm

d_a - min. - 53.2 mm

d_b - min. - 53.2 mm

D_a - max. - 68.8 mm

D_b - max. - 70.6 mm

r_a - max. - 0.6 mm

r_b - max. - 0.3 mm

d_n - 58.7 mm

Basic dynamic load rating - C - 13.5 kN

Basic static load rating - C₀ - 10.4 kN

Fatigue load limit - P_u - 0.44 kN

Limiting speed for grease lubrication - 22000 r/min

Limiting speed for oil lubrication - 34000 mm/min

Ball - D_w - 6.35 mm

Ball - z - 25

G_ref - 1.74 cm3

Calculation factor - f₀ - 10.7

Preload class A - G_A - 50 N

Preload class B - G_B - 100 N

Preload class C - G_C - 200 N

Preload class D - G_D - 400 N

Calculation factor - f - 1.13

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 - 47 N/micron

Preload class B - 63 N/micron

Preload class C - 87 N/micron

Preload class D - 122 N/micron

Mass bearing - 0.119 kg