71902ACE/HCP4A轴承

d - 15 mm

D - 28 mm

B - 7 mm

d₁ - 19.1 mm

d₂ - 18.1 mm

D₁ - 23.9 mm

r_1,2 - min. - 0.3 mm

r_3,4 - min. - 0.15 mm

a - 9.1 mm

d_a - min. - 17 mm

d_b - min. - 17 mm

D_a - max. - 26 mm

D_b - max. - 27.2 mm

r_a - max. - 0.3 mm

r_b - max. - 0.15 mm

d_n - 20 mm

Basic dynamic load rating - C - 3 kN

Basic static load rating - C₀ - 1.3 kN

Fatigue load limit - P_u - 0.057 kN

Limiting speed for grease lubrication - 83000 r/min

Limiting speed for oil lubrication - 127000 mm/min

Ball - D_w - 3.969 mm

Ball - z - 12

G_ref - 0.2 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 - 28 N

Preload class B - G_B - 84 N

Preload class C - G_C - 170 N

Calculation factor - f - 1.04

Calculation factor - f₁ - 0.98

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.04

Calculation factor - f_2C - 1.08

Calculation factor - f_HC - 1.01

Preload class A - 37 N/micron

Preload class B - 56 N/micron

Preload class C - 74 N/micron

Mass bearing - 0.013 kg