Description

*** JTEKT (Formerly Koyo Brand) ***

Machined Type Needle Roller Bearing with Inner Ring (NKJ)

NKJ, needle roller bearing with the inner ring.

About Metric Series Needle Roller Bearings with Inner Ring

This applies to the NKJ, NA, and NAO series.
When it is impractical to finish the shaft to meet the desired raceway design requirements, an inner ring may be used.
Standard needle roller bearings are available with inner rings (such as the NA Series) to form complete bearings.
Bearings furnished with inner rings meet the quality requirements in accordance with ISO standards.
For inner- and outer-ring tolerances, the metric series 1206 covering radial bearings.
Bearings to more precise tolerance classes, P6 and P5, may be obtained upon request.
The metric series bearings may be obtained with radial internal clearance in accordance with ISO Standard 5753, also specified for cylindrical roller bearings.
Mostly, they follow the normal (C0) radial clearance group, although follow the normal (C0) radial clearance group, although bearings to clearance groups C2, C3, and C4 may be made available on request.

Specifications

AIMS SKU A0157011

Brand Koyo

Model Number NKJ80/25/KOYO

Outside Diameter 25

Width (mm) 110

S(1) (in) 0.039

Speed Rating Oil Min-1 3100

S(1) (mm) 1

Rs Min (in) 3.5433

Speed Rating Grease Min-1 147

Load Rating Static C0 (lbf) 17900

Load Rating Dynamic C (lbf) 0.079

Fw (in) 0.984

Load Rating Static C0 (kn) 79.5

Load Rating Dynamic C (kn) 2

rs min (mm) 90

B (in) 4.3307

D (in) 3.1496

Fw (mm) 80 mm

Bore Diameter 25 mm

Shaft Diameter (in) 33000

Width 110 mm

Outside Diameter (mm) 80

Inside Diameter (mm) 80

Type Needle Roller Bearing

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