7211CD/HCP4A轴承

d - 55 mm

D - 100 mm

B - 21 mm

d₁ - 68.9 mm

d₂ - 68.9 mm

D₁ - 86.1 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 0.6 mm

a - 21 mm

d_a - min. - 64 mm

d_b - min. - 64 mm

D_a - max. - 91 mm

D_b - max. - 95.8 mm

r_a - max. - 1.5 mm

r_b - max. - 0.6 mm

d_n - 72.6 mm

Basic dynamic load rating - C - 55.3 kN

Basic static load rating - C₀ - 43 kN

Fatigue load limit - P_u - 1.8 kN

Limiting speed for grease lubrication - 17000 r/min

Limiting speed for oil lubrication - 26000 mm/min

Ball - D_w - 14.288 mm

Ball - z - 15

G_ref - 8.595 cm3

Calculation factor - f₀ - 14.5

Preload class A - G_A - 210 N

Preload class B - G_B - 420 N

Preload class C - G_C - 840 N

Preload class D - G_D - 1680 N

Calculation factor - f - 1.08

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 - 80 N/micron

Preload class B - 108 N/micron

Preload class C - 152 N/micron

Preload class D - 219 N/micron

Mass bearing - 0.505 kg