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 Order Online through NTN DOL Contact NTN Customer Relations Search for a Licensed Distributor

Technical Specifications

Type

 N/A Needle Roller Bearing

Bore Type

 N/A Round

Material

 N/A High Carbon Chrome Steel

Cage Material

 N/A Steel

Precision

 N/A ISO Class 0

Configuration

 N/A One

Enclosure

 N/A Open

Bearing Design

 N/A w/ Inner Ring

Oil Hole

 N/A w/ Oil Hole

Radial Internal Clearance

 N/A CN

Weight

 N/A 0.531 lb0.241 kg

Operating Temperature Range

 N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R Series - Dimensions

d

 N/A 1.2598 in32.000 mm

D

 N/A 2.0472 in52.000 mm

F

 N/A 1.5748 in40.000 mm

B

 N/A 1.0630 in27.000 mm

r

 N/A 0.0236 in0.600 mm

da min

 N/A 1.4173 in36.000 mm

Da max

 N/A 1.8898 in48.000 mm

ras max

 N/A 0.0024 in0.060 mm