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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

4700 rpm

Limiting Speed - Grease

3100 rpm

Precision

ISO Class 0

Enclosure

Open

Static Load Rating

27700 lbf123000 N123.00 kN

Dynamic Load Rating

15800 lbf70500 N70.50 kN

Weight

0.891 lb0.404 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

3.3465 in85 mm

Fw Tolerance

0.058/0.036 mm

D

4.1339 in105.000 mm

C

0.9843 in25.000 mm

r

0.03940 in1.000 mm

Da max

3.9370 in100.000 mm

ras max

0.0394 in1.000 mm