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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

9500 RPM

Limiting Speed - Grease

6500 RPM

Precision

ISO Class 0

Enclosure

Open

Static Load Rating

14500 lbf64500 N64.50 kN

Dynamic Load Rating

8768 lbf39000 N39.00 kN

Weight

0.388 lb0.180 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

1.6540 in42.000 mm

Fw Tolerance

0.041/0.025 mm

D

2.1654 in55.000 mm

C

1.0630 in27.000 mm

r

0.0236 in0.600 mm

Da max

2.0079 in51.000 mm

ras max

0.0236 in0.600 mm