SKF 7021 ACD/P4A轴承,SKF 7021 ACD/P4A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 7021 ACD/P4A轴承

d - 105 mm

D - 160 mm

B - 26 mm

d1 - 121.9 mm

d2 - 121.9 mm

D1 - 143.1 mm

r1,2 - min. - 2 mm

r3,4 - min. - 1 mm

a - 44 mm

da - min. - 114 mm

db - min. - 114 mm

Da - max. - 151 mm

Db - max. - 155 mm

ra - max. - 2 mm

rb - max. - 1 mm

dn - 125.6 mm

Basic dynamic load rating - C - 90.4 kN

Basic static load rating - C0 - 93 kN

Fatigue load limit - Pu - 3.4 kN

Limiting speed for grease lubrication - 7500 r/min

Limiting speed for oil lubrication - 12000 mm/min

Ball - Dw - 17.462 mm

Ball - z - 21

Gref - 20.4 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 - 560 N

Preload class B - GB - 1120 N

Preload class C - GC - 2240 N

Preload class D - GD - 4480 N

Calculation factor - f - 1.15

Calculation factor - f1 - 0.99

Calculation factor - f2A - 1

Calculation factor - f2B - 1.02

Calculation factor - f2C - 1.05

Calculation factor - f2D - 1.08

Calculation factor - fHC - 1

Preload class A - 279 N/micron

Preload class B - 365 N/micron

Preload class C - 484 N/micron

Preload class D - 655 N/micron

Mass bearing - 1.592 kg

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