NTN 4T-68450/68712轴承,NTN 4T-68450/68712圆锥滚子轴承-搜轴承NTN数据中心
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d - 114,3 mm

D - 180,975 mm

T - 34,925 mm

B - 31,75 mm

C - 25,4 mm

ra1 max. - 3,3 mm

a - -5,4 mm

Da - 163 mm

db - 123 mm

ra max. - 3,5 mm

da - 130 mm

Db - 172 mm

Weight - 2,93 Kg

Basic dynamic load rating (C) - 169 kN

Basic static load rating (C0) - 245 kN

(Grease) Lubrication Speed - 1 900 r/min

(Oil) Lubrication Speed - 2 500 r/min

Calculation factor (e) - 0,5

Calculation factor (Y0) - 0,66

Calculation factor (Y2) - 1,21

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