7212CD/P4A轴承

d - 60 mm

D - 110 mm

B - 22 mm

d₁ - 76.4 mm

d₂ - 76.4 mm

D₁ - 93.6 mm

r_1,2 - min. - 1.5 mm

r_3,4 - min. - 0.6 mm

a - 22.5 mm

d_a - min. - 69 mm

d_b - min. - 69 mm

D_a - max. - 101 mm

D_b - max. - 105.8 mm

r_a - max. - 1.5 mm

r_b - max. - 0.6 mm

d_n - 80.1 mm

Basic dynamic load rating - C - 57.2 kN

Basic static load rating - C₀ - 46.5 kN

Fatigue load limit - P_u - 2 kN

Limiting speed for grease lubrication - 13000 r/min

Limiting speed for oil lubrication - 20000 mm/min

Ball - D_w - 14.288 mm

Ball - z - 16

G_ref - 10.08 cm3

Calculation factor - f₀ - 14.9

Preload class A - G_A - 215 N

Preload class B - G_B - 430 N

Preload class C - G_C - 860 N

Preload class D - G_D - 1720 N

Calculation factor - f - 1.07

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.01

Calculation factor - f_2C - 1.03

Calculation factor - f_2D - 1.05

Calculation factor - f_HC - 1

Preload class A - 75 N/micron

Preload class B - 102 N/micron

Preload class C - 142 N/micron

Preload class D - 205 N/micron

Mass bearing - 0.809 kg