NTN 7311DB bearing

55x120x29

NSK NTN KOYO NACHI VORV Bore Size: 30 mm Outside Diameter: 62 mm Model ... Hongkong Lead Time : High precision angular contact ball bearing delivery time 5 days ...



Angular contact ball bearings 7311DB

Bearing number : 7311DB

Size (mm) : 55x120x29

Brand : NTN

Bore Diameter (mm) : 55

Outer Diameter (mm) : 120

Width (mm) : 29

Bearing dimensions and specification in NTN catalogue:

d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

ra1 max. - 1 mm

Angle (α) - 25 °

a - 40 mm

r min. - 2 mm

r1 min. - 1 mm

2B - 58 mm

da min. - 65 mm

ra max. - 2 mm

Db max - 114,5 mm

Weight - 2,78 Kg

Basic dynamic load rating (C) - 139 kN

Basic static load rating (C0) - 123 kN

(Grease) Lubrication Speed - 5 100 r/min

(Oil) Lubrication Speed - 6 800 r/min

Bearing 7311DB

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