NTN 4T-2688/2631轴承,NTN 4T-2688/2631圆锥滚子轴承-搜轴承NTN数据中心
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d - 26,988 mm

D - 66,421 mm

T - 23,812 mm

B - 25,433 mm

C - 19,05 mm

ra1 max. - 1,3 mm

a - 9,3 mm

Da - 58 mm

db - 33 mm

ra max. - 1,5 mm

da - 35 mm

Db - 60 mm

Weight - 0,429 Kg

Basic dynamic load rating (C) - 64,5 kN

Basic static load rating (C0) - 72,5 kN

(Grease) Lubrication Speed - 6 200 r/min

(Oil) Lubrication Speed - 8 200 r/min

Calculation factor (e) - 0,25

Calculation factor (Y0) - 1,3

Calculation factor (Y2) - 2,36

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