71938CD/P4A轴承

d - 190 mm

D - 260 mm

B - 33 mm

d₁ - 211.6 mm

d₂ - 211.6 mm

D₁ - 238.4 mm

r_1,2 - min. - 2 mm

r_3,4 - min. - 1 mm

a - 46.8 mm

d_a - min. - 199 mm

d_b - min. - 199 mm

D_a - max. - 251 mm

D_b - max. - 255 mm

r_a - max. - 2 mm

r_b - max. - 1 mm

d_n - 217.4 mm

Basic dynamic load rating - C - 172 kN

Basic static load rating - C₀ - 220 kN

Fatigue load limit - P_u - 6.2 kN

Limiting speed for grease lubrication - 5000 r/min

Limiting speed for oil lubrication - 7500 mm/min

Ball - D_w - 22.225 mm

Ball - z - 28

G_ref - 57 cm3

Calculation factor - f₀ - 16.4

Preload class A - G_A - 640 N

Preload class B - G_B - 1280 N

Preload class C - G_C - 2560 N

Preload class D - G_D - 5120 N

Calculation factor - f - 1.27

Calculation factor - f₁ - 1

Calculation factor - f_2A - 1

Calculation factor - f_2B - 1.04

Calculation factor - f_2C - 1.09

Calculation factor - f_2D - 1.15

Calculation factor - f_HC - 1

Preload class A - 189 N/micron

Preload class B - 260 N/micron

Preload class C - 367 N/micron

Preload class D - 538 N/micron

Mass bearing - 4.35 kg