7218CD/HCP4A轴承

d - 90 mm

D - 160 mm

B - 30 mm

d₁ - 111.6 mm

d₂ - 111.6 mm

D₁ - 138.4 mm

r_1,2 - min. - 2 mm

r_3,4 - min. - 1 mm

a - 31.9 mm

d_a - min. - 101 mm

d_b - min. - 101 mm

D_a - max. - 149 mm

D_b - max. - 154.4 mm

r_a - max. - 2 mm

r_b - max. - 1 mm

d_n - 117.5 mm

Basic dynamic load rating - C - 127 kN

Basic static load rating - C₀ - 112 kN

Fatigue load limit - P_u - 4.2 kN

Limiting speed for grease lubrication - 10000 r/min

Limiting speed for oil lubrication - 16000 mm/min

Ball - D_w - 22.225 mm

Ball - z - 16

G_ref - 27.765 cm3

Calculation factor - f₀ - 14.6

Preload class A - G_A - 480 N

Preload class B - G_B - 960 N

Preload class C - G_C - 1920 N

Preload class D - G_D - 3840 N

Calculation factor - f - 1.09

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.01

Calculation factor - f_2C - 1.03

Calculation factor - f_2D - 1.06

Calculation factor - f_HC - 1.01

Preload class A - 126 N/micron

Preload class B - 171 N/micron

Preload class C - 239 N/micron

Preload class D - 349 N/micron

Mass bearing - 1.834 kg