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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

11000 RPM

Limiting Speed - Grease

7500 RPM

Precision

ISO Class 0

Enclosure

Open

Static Load Rating

16400 lbf73000 N73.00 kN

Dynamic Load Rating

8450 lbf37500 N37.50 kN

Weight

0.236 lb0.107 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

1.4961 in38.000 mm

Fw Tolerance

0.041/0.025 mm

D

1.8898 in48.000 mm

C

1.1811 in30.000 mm

r

0.0118 in0.300 mm

Da max

1.8110 in46.000 mm

ras max

0.0118 in0.300 mm