7201ACD/P4A轴承

d - 12 mm

D - 32 mm

B - 10 mm

d₁ - 18.6 mm

d₂ - 18.6 mm

D₁ - 25.4 mm

r_1,2 - min. - 0.6 mm

r_3,4 - min. - 0.3 mm

a - 10.2 mm

d_a - min. - 16.2 mm

d_b - min. - 16.2 mm

D_a - max. - 27.8 mm

D_b - max. - 29.6 mm

r_a - max. - 0.6 mm

r_b - max. - 0.3 mm

d_n - 20 mm

Basic dynamic load rating - C - 5.7 kN

Basic static load rating - C₀ - 2.4 kN

Fatigue load limit - P_u - 0.104 kN

Limiting speed for grease lubrication - 48000 r/min

Limiting speed for oil lubrication - 70000 mm/min

Ball - D_w - 5.556 mm

Ball - z - 10

G_ref - 0.507 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 - 35 N

Preload class B - G_B - 70 N

Preload class C - G_C - 140 N

Preload class D - G_D - 280 N

Calculation factor - f - 1.02

Calculation factor - f₁ - 0.99

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.01

Calculation factor - f_2C - 1.02

Calculation factor - f_2D - 1.05

Calculation factor - f_HC - 1

Preload class A - 41 N/micron

Preload class B - 52 N/micron

Preload class C - 68 N/micron

Preload class D - 90 N/micron

Mass bearing - 0.037 kg