SKF 71921 ACD/HCP4A轴承,SKF 71921 ACD/HCP4A角接触球轴承-搜轴承SKF数据中心
搜轴承 -- SKF -- 角接触球轴承 -- SKF 71921 ACD/HCP4A轴承

d - 105 mm

D - 145 mm

B - 20 mm

d1 - 117.3 mm

d2 - 117.3 mm

D1 - 132.7 mm

r1,2 - min. - 1.1 mm

r3,4 - min. - 0.6 mm

a - 39.3 mm

da - min. - 111 mm

db - min. - 111 mm

Da - max. - 139 mm

Db - max. - 141 mm

ra - max. - 1 mm

rb - max. - 0.6 mm

dn - 120.6 mm

Basic dynamic load rating - C - 57.2 kN

Basic static load rating - C0 - 65.5 kN

Fatigue load limit - Pu - 2.5 kN

Limiting speed for grease lubrication - 9000 r/min

Limiting speed for oil lubrication - 15000 mm/min

Ball - Dw - 12.7 mm

Ball - z - 27

Gref - 11.1 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 - GA - 360 N

Preload class B - GB - 720 N

Preload class C - GC - 1440 N

Preload class D - GD - 2880 N

Calculation factor - f - 1.25

Calculation factor - f1 - 0.98

Calculation factor - f2A - 1

Calculation factor - f2B - 1.07

Calculation factor - f2C - 1.12

Calculation factor - f2D - 1.17

Calculation factor - fHC - 1.04

Preload class A - 292 N/micron

Preload class B - 384 N/micron

Preload class C - 514 N/micron

Preload class D - 703 N/micron

Mass bearing - 0.699 kg

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