7210ACD/HCP4A轴承

d - 50 mm

D - 90 mm

B - 20 mm

d₁ - 62.3 mm

d₂ - 62.3 mm

D₁ - 77.7 mm

r_1,2 - min. - 1.1 mm

r_3,4 - min. - 0.6 mm

a - 26.4 mm

d_a - min. - 57 mm

d_b - min. - 57 mm

D_a - max. - 83 mm

D_b - max. - 85.8 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

d_n - 65.6 mm

Basic dynamic load rating - C - 42.3 kN

Basic static load rating - C₀ - 32.5 kN

Fatigue load limit - P_u - 1.4 kN

Limiting speed for grease lubrication - 16000 r/min

Limiting speed for oil lubrication - 26000 mm/min

Ball - D_w - 12.7 mm

Ball - z - 15

G_ref - 6.708 cm3

Calculation factor - e - 0.68

Calculation factor - Y₂ - 0.87

Calculation factor - Y₀ - 0.38

Calculation factor - X₂ - 0.41

Calculation factor - Y₁ - 0.92

Calculation factor - Y₂ - 1.41

Calculation factor - Y₀ - 0.76

Calculation factor - X₂ - 0.67

Preload class A - G_A - 265 N

Preload class B - G_B - 530 N

Preload class C - G_C - 1060 N

Preload class D - G_D - 2120 N

Calculation factor - f - 1.08

Calculation factor - f₁ - 0.99

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 - 171 N/micron

Preload class B - 223 N/micron

Preload class C - 295 N/micron

Preload class D - 398 N/micron

Mass bearing - 0.386 kg