NTN 4T-30311D Bearing Specifications

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Bearing 4T-30311D

Bearing number : 4T-30311D

Size (mm) : 55x120x31.5

Brand : NTN

Bore Diameter (mm) : 55

Outer Diameter (mm) : 120

Width (mm) : 31,5

Bearing dimensions and specification in NTN catalogue:

d - 55 mm

D - 120 mm

T - 31,5 mm

B - 29 mm

C - 21 mm

ra1 max. - 2 mm

a - 38 mm

r min. - 2,5 mm

r1 min. - 2 mm

da min. - 67 mm

Da min - 94 mm

Da max. - 110 mm

db max. - 68 mm

Db min. - 113 mm

ra max. - 2 mm

Sa - 4 mm

Sb - 10,5 mm

Weight - 1,59 Kg

Basic dynamic load rating (C) - 132 kN

Basic static load rating (C0) - 154 kN

(Grease) Lubrication Speed - 2 900 r/min

(Oil) Lubrication Speed - 3 800 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y2) - 0,73

Tags :  NTN , 55x120x31.5