7002ACD/P4A轴承

d - 15 mm

D - 32 mm

B - 9 mm

d₁ - 20.6 mm

d₂ - 20.6 mm

D₁ - 26.4 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.2 mm

a - 10.1 mm

d_a - min. - 17 mm

d_b - min. - 17 mm

D_a - max. - 30 mm

D_b - max. - 30.6 mm

r_a - max. - 0.3 mm

r_b - max. - 0.2 mm

d_n - 21.5 mm

Basic dynamic load rating - C - 4.9 kN

Basic static load rating - C₀ - 2.3 kN

Fatigue load limit - P_u - 0.098 kN

Limiting speed for grease lubrication - 50000 r/min

Limiting speed for oil lubrication - 75000 mm/min

Ball - D_w - 4.762 mm

Ball - z - 12

G_ref - 0.39 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 - 30 N

Preload class B - G_B - 60 N

Preload class C - G_C - 120 N

Preload class D - G_D - 240 N

Calculation factor - f - 1.03

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.02

Calculation factor - f_2C - 1.05

Calculation factor - f_2D - 1.08

Calculation factor - f_HC - 1

Preload class A - 41 N/micron

Preload class B - 53 N/micron

Preload class C - 69 N/micron

Preload class D - 92 N/micron

Mass bearing - 0.03 kg