71907ACD/HCP4A轴承

d - 35 mm

D - 55 mm

B - 10 mm

d₁ - 41.6 mm

d₂ - 41.6 mm

D₁ - 48.4 mm

r_1,2 - min. - 0.6 mm

r_3,4 - min. - 0.3 mm

a - 15.6 mm

d_a - min. - 38.2 mm

d_b - min. - 38.2 mm

D_a - max. - 51.8 mm

D_b - max. - 53.6 mm

r_a - max. - 0.6 mm

r_b - max. - 0.3 mm

d_n - 43 mm

Basic dynamic load rating - C - 9.2 kN

Basic static load rating - C₀ - 6.2 kN

Fatigue load limit - P_u - 0.26 kN

Limiting speed for grease lubrication - 28000 r/min

Limiting speed for oil lubrication - 43000 mm/min

Ball - D_w - 5.556 mm

Ball - z - 21

G_ref - 0.93 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 - 60 N

Preload class B - G_B - 120 N

Preload class C - G_C - 240 N

Preload class D - G_D - 480 N

Calculation factor - f - 1.1

Calculation factor - f₁ - 0.98

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.07

Calculation factor - f_2C - 1.12

Calculation factor - f_2D - 1.17

Calculation factor - f_HC - 1.04

Preload class A - 90 N/micron

Preload class B - 117 N/micron

Preload class C - 152 N/micron

Preload class D - 203 N/micron

Mass bearing - 0.068 kg