7202ACD/HCP4A轴承

d - 15 mm

D - 35 mm

B - 11 mm

d₁ - 21.4 mm

d₂ - 21.4 mm

D₁ - 29.1 mm

r_1,2 - min. - 0.6 mm

r_3,4 - min. - 0.3 mm

a - 11.5 mm

d_a - min. - 19.2 mm

d_b - min. - 19.2 mm

D_a - max. - 30.8 mm

D_b - max. - 32.6 mm

r_a - max. - 0.6 mm

r_b - max. - 0.3 mm

d_n - 23 mm

Basic dynamic load rating - C - 7.2 kN

Basic static load rating - C₀ - 3.2 kN

Fatigue load limit - P_u - 0.134 kN

Limiting speed for grease lubrication - 50000 r/min

Limiting speed for oil lubrication - 75000 mm/min

Ball - D_w - 6.35 mm

Ball - z - 10

G_ref - 0.729 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 - 45 N

Preload class B - G_B - 90 N

Preload class C - G_C - 180 N

Preload class D - G_D - 360 N

Calculation factor - f - 1.03

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 - 51 N/micron

Preload class B - 66 N/micron

Preload class C - 86 N/micron

Preload class D - 114 N/micron

Mass bearing - 0.037 kg