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Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Roller Type

Needle

Configuration

One

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

8000 RPM

Limiting Speed - Grease

5500 RPM

Precision

ISO Class 0

Enclosure

Open

Static Load Rating

12800 lbf57000 N57.00 kN

Dynamic Load Rating

7100 lbf31500 N31.50 kN

Weight

0.346 lb0.157 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Machined-Ring Needle Roller Bearing w/o Inner Ring - NK, NKS Series - Dimensions

Fw

1.9685 in50.000 mm

D

2.5591 in65.000 mm

C

0.8661 in22.000 mm

r

0.0394 in1.000 mm

Da max

2.1063 in53.500 mm

ras max

0.0394 in1.000 mm