SKF 305272 D轴承,SKF 305272 D角接触球轴承-搜轴承SKF数据中心
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d - 220 mm

D - 309.5 mm

B - 76 mm

d1 - - 252.5 mm

D1 - - 286 mm

b - 22 mm

K - 7.5 mm

r1,2 - min. - 2.1 mm

a - 146 mm

da - min. - 225 mm

Da - max. - 284 mm

ra - max. - 2.1 mm

Basic dynamic load rating - C - 312 kN

Basic static load rating - C0 - 520 kN

Fatigue load limit - Pu - 13.4 kN

Reference speed - 1700 r/min

Limiting speed - 2000 r/min

Calculation factor - kr - 0.095

Calculation factor - e - 0.86

Calculation factor - X - 0.62

Calculation factor - Y0 - 0.63

Calculation factor - Y1 - 0.73

Calculation factor - Y2 - 1.17

Mass bearing - 17.65 kg

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