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NKI 22/20 Needle roller bearings with machined rings, with 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 with inner ring are used if the shaft is not suitable as a rolling bearing raceway.

NKI is light series for shaft diameters from 5 mm to 100 mm


Product Detail

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NKI 22/20  Needle roller bearings with machined rings, with an inner ring detail Specifications:

Material : 52100 Chrome Steel

Series : with an inner ring

Construction : Single Row

Limiting Speed : 18000 rpm

Weight : 0.065 kg

 

Main Dimensions:

Bore Diameter (d) : 22 mm

Tolerance of Bore Diameter : 0.01 mm to 0 mm

Raceway diameter inner ring (F) : 26 mm

Outside diameter (D) : 34 mm

Tolerance of Outer diameter : - 0.011 mm to 0 mm

Width (B) : 20 mm

Tolerance of Width : - 0.12 mm to 0 mm

Chamfer dimension outer ring (r) min. : 0.3 mm

Permissible axial displacement from the normal position of one bearing ring relative to the other (s1) : 0.5 mm

Dynamic load ratings (Ca) : 19.40 KN

Static load ratings (Coa) : 32.00 KN

 

ABUTMENT DIMENSIONS

Smallest permissible abutment diameter shaft, bearings with flanges (da) min. : 24 mm

Abutment diameter housing (with flanges) (Da) max. : 32 mm

Fillet radius (ra) max. : 0.3 mm

NKI drawing

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