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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

5000 rpm

Limiting Speed - Grease

3300 rpm

Precision

ISO Class 0

Enclosure

Open

Static Load Rating

35000 lbf156000 N156.00 kN

Dynamic Load Rating

19200 lbf85500 N85.50 kN

Weight

1.014 lb0.46 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

3.1496 in80 mm

Fw Tolerance

0.049/0.030 mm

D

3.93700 in100.000 mm

C

1.1811 in30.000 mm

r

0.03940 in1.000 mm

Da max

3.7402 in95.000 mm

ras max

0.0394 in1.000 mm