NTN BEARING CORPORATION OF AMERICA
NTN BEARING CORPORATION OF AMERICA
Head Office
1600 E. Bishop Court, P.O. Box 7604
Mount Prospect, IL 60056-7604, U.S.A.
Phone: 847-298-7500
Fax: 847-699-9744
Toll Free: 800-323-2358
Email: mkt@ntnamerica.com
Website: www.ntnamericas.com
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Unit of Measure

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Ordering Options

 N/A Contact NTN Customer Relations

Technical Specifications

Type

 N/A Needle Roller Bearing

Roller Type

 N/A Needle

Configuration

 N/A One

Material

 N/A High Carbon Chrome Steel

Cage Material

 N/A Steel

Limiting Speed - Oil

 N/A 4000 RPM

Limiting Speed - Grease

 N/A 2700 RPM

Precision

 N/A ISO Class 0

Enclosure

 N/A Open

Static Load Rating

 N/A 31000 lbf137000 N137.00 kN

Dynamic Load Rating

 N/A 16500 lbf73500 N73.50 kN

Weight

 N/A 1.074 lb0.487 kg

Operating Temperature Range

 N/A -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

 N/A 3.9370 in100.000 mm

Fw Tolerance

 N/A 0.058/0.036 mm

D

 N/A 4.7244 in120.000 mm

C

 N/A 1.0236 in26.000 mm

r

 N/A 0.0394 in1.000 mm

Da max

 N/A 4.5276 in115.000 mm

ras max

 N/A 0.0394 in1.000 mm