SKF 7221 ACD/P4A轴承,SKF 7221 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 7221 ACD/P4A轴承

d - 105 mm

D - 190 mm

B - 36 mm

d1 - 131.2 mm

d2 - 131.2 mm

D1 - 163.8 mm

r1,2 - min. - 2.1 mm

r3,4 - min. - 1.1 mm

a - 52.6 mm

da - min. - 117 mm

db - min. - 117 mm

Da - max. - 178 mm

Db - max. - 183 mm

ra - max. - 2 mm

rb - max. - 1 mm

dn - 138.4 mm

Basic dynamic load rating - C - 163 kN

Basic static load rating - C0 - 146 kN

Fatigue load limit - Pu - 5.1 kN

Limiting speed for grease lubrication - 6700 r/min

Limiting speed for oil lubrication - 10000 mm/min

Ball - Dw - 26.988 mm

Ball - z - 15

Gref - 48.333 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 - 1000 N

Preload class B - GB - 2000 N

Preload class C - GC - 4000 N

Preload class D - GD - 8000 N

Calculation factor - f - 1.08

Calculation factor - f1 - 0.99

Calculation factor - f2A - 1

Calculation factor - f2B - 1.01

Calculation factor - f2C - 1.02

Calculation factor - f2D - 1.05

Calculation factor - fHC - 1

Preload class A - 308 N/micron

Preload class B - 399 N/micron

Preload class C - 527 N/micron

Preload class D - 708 N/micron

Mass bearing - 3.868 kg

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Hot number:FAG 53201 U TIMKEN 22256YMB OKB 2320 NACHI 15100/15245 PSL 23238MB NTN 29430 Timken 72187C/72487 KOYO BH-59 SNFA BSDU 250 FF ISO GE 020 XES ISO HK202820 Timken HM624749/HM624716 NACHI UKF310+H2310 INA 718/500 SKF (Old No.) NA-2202-2RSX