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NK 65/25 Needle roller bearings with machined rings, without an inner ring

Short Description:

Needle roller bearing are complete units consisting of a machined outer ring, a needle roller and cage assembly and removable inner ring.

it is very compact due to their low radial section height.The needle roller bearing have a lubrication groove and lubrication hole in the outer ring,

The needle roller bearing without inner ring require a hardened and ground shaft as a raceway.

NK is light series for shaft diameters from 5 mm to 110 mm.


Product Detail

Product Tags

NK 65/25 Needle roller bearings with machined rings, without an inner ring detail Specifications:

Material : 52100 Chrome Steel

Series : without an inner ring

Construction : Single Row

Limiting Speed : 7000 rpm

Weight : 0.22 kg

 

Main Dimensions:

Diameter under rollers (d) : 65 mm

Tolerance of Diameter under rollers : 0.03 mm to 0.049 mm

Outside diameter (D) : 78 mm

Tolerance of Outer diameter : - 0.013 mm to 0 mm

Width (C) : 25 mm

Tolerance of Width : - 0.15 mm to 0 mm

Dynamic load ratings (Cr) : 44.00 KN

Static load ratings (Cor) : 98.00 KN

 

ABUTMENT DIMENSIONS

Abutment diameter housing (with flanges) (Da) max. : 74 mm

Fillet radius (ra) max. : 0.6 mm

NK drawing

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