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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

20000 RPM

Limiting Speed - Grease

13000 RPM

Precision

ISO Class 0

Enclosure

Open

Static Load Rating

3950 lbf17500 N17.50 kN

Dynamic Load Rating

2970 lbf13200 N13.20 kN

Weight

0.060 lb0.027 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

0.7874 in20.000 mm

Fw Tolerance

0.033/0.020 mm

D

1.1024 in28.000 mm

C

0.6299 in16.000 mm

r

0.0118 in0.300 mm

Da max

1.0236 in26.000 mm

ras max

0.0118 in0.300 mm