SKF 71972 ACDMA/P4A轴承,SKF 71972 ACDMA/P4A角接触球轴承-搜轴承SKF数据中心
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d - 360 mm

D - 480 mm

B - 56 mm

d1 - 397 mm

d2 - 397 mm

D1 - 443 mm

r1,2 - min. - 3 mm

r3,4 - min. - 1.1 mm

a - 126.3 mm

da - min. - 373 mm

db - min. - 373 mm

Da - max. - 465 mm

Db - max. - 474 mm

ra - max. - 2.5 mm

rb - max. - 1 mm

dn - 407 mm

Basic dynamic load rating - C - 371 kN

Basic static load rating - C0 - 670 kN

Fatigue load limit - Pu - 13.7 kN

Limiting speed for grease lubrication - 1900 r/min

Limiting speed for oil lubrication - 3000 mm/min

Ball - Dw - 38.1 mm

Ball - z - 30

Gref - 313 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 - 2300 N

Preload class B - GB - 4600 N

Preload class C - GC - 9200 N

Preload class D - GD - 18400 N

Calculation factor - f - 1.29

Calculation factor - f1 - 0.98

Calculation factor - f2A - 1

Calculation factor - f2B - 1.04

Calculation factor - f2C - 1.08

Calculation factor - f2D - 1.14

Calculation factor - fHC - 1

Preload class A - 754 N/micron

Preload class B - 987 N/micron

Preload class C - 1311 N/micron

Preload class D - 1779 N/micron

Mass bearing - 26.7 kg

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