Print Back
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

23000 RPM

Limiting Speed - Grease

15000 RPM

Precision

ISO Class 0

Enclosure

Open

Static Load Rating

2860 lbf12700 N12.70 kN

Dynamic Load Rating

2450 lbf10900 N10.90 kN

Weight

0.049 lb0.022 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series - Dimensions

Fw

0.5906 in15.000 mm

Fw Tolerance

0.027/0.016 mm

D

0.9055 in23.000 mm

C

0.6299 in16.000 mm

r

0.0118 in0.300 mm

Da max

0.8268 in21.000 mm

ras max

0.0118 in0.300 mm