7009CB/HCP4A轴承

d - 45 mm

D - 75 mm

B - 16 mm

d₁ - 56.44 mm

d₂ - 55.17 mm

D₂ - 65.58 mm

r_1,2 - min. - 1 mm

r_3,4 - min. - 0.6 mm

a - 16.1 mm

d_a - min. - 49.6 mm

d_b - min. - 49.6 mm

D_a - max. - 70.4 mm

D_b - max. - 71.8 mm

r_a - max. - 1 mm

r_b - max. - 0.6 mm

d_n - 57.2 mm

Basic dynamic load rating - C - 9.6 kN

Basic static load rating - C₀ - 7.2 kN

Fatigue load limit - P_u - 0.305 kN

Limiting speed for grease lubrication - 30000 r/min

Limiting speed for oil lubrication - 48000 mm/min

Ball - D_w - 5.556 mm

Ball - z - 25

G_ref - 2.93 cm3

Calculation factor - f₀ - 9.6

Preload class A - G_A - 31 N

Preload class B - G_B - 62 N

Preload class C - G_C - 185 N

Calculation factor - f - 1.05

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.02

Calculation factor - f_2C - 1.05

Calculation factor - f_HC - 1.01

Preload class A - 34 N/micron

Preload class B - 45 N/micron

Preload class C - 70 N/micron

Mass bearing - 0.249 kg