NACHI NF311 bearing


Bearings The Nachi bearings business started out by using the superior materials made by our own company, and by applying expertise in cutting and heat treatment acquired from our experience with cutting-tool manufacturing. As a result, you get high speed and high precision bearings that are durable and compact.



Cylindrical roller bearings NF 311

Bearing number : NF 311

Brand : NACHI

Bore Diameter (mm) : 55

Outer Diameter (mm) : 104.5

Bearing dimensions and specification in NACHI catalogue:

d - 55 mm

Fw - 70.5 mm

D - 120 mm

Ew - 104.5 mm

B - 29 mm

r min. - 2 mm

r1 min. - 2 mm

Weight - 1.40 Kg

Basic dynamic load rating (C) - 110 kN

Basic static load rating (C0) - 111 kN

(Grease) Lubrication Speed - 5000 r/min

(Oil) Lubrication Speed - 6000 r/min

Bearing NF 311

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