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NKIS 25 Needle roller bearings with machined rings, with an inner ring

Short Description:

NKIS series Single row needle roller bearings incorporate cylindrical rollers that are small in diameter relative to their length. Owing to their large number of rollers, the bearings have a high load carrying capacity. The outer ring includes two integral flanges to guide the bearing axially and an annular groove with one or more lubrication holes to facilitate relubrication.


Product Detail

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NKIS 25 Needle roller bearings with machined rings  detail Specifications:

Material : 52100 Chrome Steel

Series : With Inner Ring

Construction : Single Row

Limiting Speed : 13000 rpm

Weight : 0.17 kg

 

Main Dimensions :

Bore diameter (d) : 25 mm

Raceway diameter inner ring (F) : 32 mm

Outer diameter (D) : 47 mm

Width(B) : 22 mm

Chamfer dimension outer ring (r) min. : 0.6 mm

Permissible axial displacement from the normal position of one bearing ring relative to the other (s) : 1.0 mm

Dynamic load ratings (Cr) : 33.50 KN

Static load ratings (Cor) : 43.50 KN

 

ABUTMENT DIMENSIONS

Smallest permissible abutment diameter shaft, bearings with flanges (da) min. : 29 mm

Abutment diameter housing (with flanges) (Da) max. : 43 mm

Fillet radius (ra) max. : 0.6 mm

NKIS DRAWING

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