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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

4200 RPM

Limiting Speed - Grease

2800 RPM

Precision

ISO Class 0

Enclosure

Open

Static Load Rating

31000 lbf137000 N137.00 kN

Dynamic Load Rating

16700 lbf74500 N74.50 kN

Weight

0.802 lb0.364 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

3.7402 in95.000 mm

Fw Tolerance

0.058/0.036 mm

D

4.5276 in115.000 mm

C

1.0236 in26.000 mm

r

0.0394 in1.000 mm

Da max

4.3307 in110.000 mm

ras max

0.0394 in1.000 mm