7004CD/P4AH轴承

d - 20 mm

D - 42 mm

B - 12 mm

d₁ - 27.1 mm

d₂ - 27.1 mm

D₁ - 34.8 mm

K - 0.5 mm

C₁ - 7.15 mm

r_1,2 - min. - 0.6 mm

r_3,4 - min. - 0.3 mm

a - 10.2 mm

d_a - min. - 23.2 mm

d_b - min. - 23.2 mm

D_a - max. - 38.8 mm

D_b - max. - 40 mm

r_a - max. - 0.6 mm

r_b - max. - 0.3 mm

d_n - 28.4 mm

Basic dynamic load rating - C - 8.7 kN

Basic static load rating - C₀ - 4.3 kN

Fatigue load limit - P_u - 0.18 kN

Limiting speed for grease lubrication - 43000 r/min

Limiting speed for oil lubrication - 63000 mm/min

Ball - D_w - 6.35 mm

Ball - z - 12

G_ref - 0.9 cm3

Calculation factor - f₀ - 9.2

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 - 1.03

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.02

Calculation factor - f_2C - 1.05

Calculation factor - f_2D - 1.09

Calculation factor - f_HC - 1

Preload class A - 23 N/micron

Preload class B - 30 N/micron

Preload class C - 42 N/micron

Preload class D - 59 N/micron

Mass bearing - 0.068 kg