SKF 71820 CD/P4轴承,SKF 71820 CD/P4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 71820 CD/P4轴承

d - 100 mm

D - 125 mm

B - 13 mm

d1 - 108.2 mm

d2 - 108.2 mm

D1 - 117 mm

r1,2 - min. - 1 mm

r3,4 - min. - 0.3 mm

a - 21.6 mm

da - min. - 104.6 mm

db - min. - 104.6 mm

Da - max. - 120.4 mm

Db - max. - 123 mm

ra - max. - 1 mm

rb - max. - 0.3 mm

dn - 109.1 mm

Basic dynamic load rating - C - 22.5 kN

Basic static load rating - C0 - 29 kN

Fatigue load limit - Pu - 1.2 kN

Limiting speed for grease lubrication - 9000 r/min

Limiting speed for oil lubrication - 14000 mm/min

Ball - Dw - 7.144 mm

Ball - z - 34

Gref - 3.2 cm3

Calculation factor - f0 - 17.4

Preload class A - GA - 120 N

Preload class B - GB - 360 N

Preload class C - GC - 720 N

Calculation factor - f - 1.4

Calculation factor - f1 - 1

Calculation factor - f2A - 1

Calculation factor - f2B - 1.09

Calculation factor - f2C - 1.16

Calculation factor - fHC - 1

Preload class A - 90 N/micron

Preload class B - 156 N/micron

Preload class C - 231 N/micron

Mass bearing - 0.31 kg

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Hot number:NTN NA 49/22 NSK 2306 OKB 902771 OKB 36218K OKB ISO 16010 ZEN 3805-2RS NTN 4T-3877/3820 SKF GE20ES-2RS NMB HRT28 KOYO LM613449/LM613410 ISB T.A.C. 225 SKF 7013 CB/HCP4AL KOYO 6308 NOK TB 28 40 8 NBR