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 Cage and Roller Assembly

Bore Type

 N/A Round

Configuration

 N/A One

Material

 N/A High Carbon Chrome Steel

Cage Material

 N/A Nylon

Limiting Speed - Oil

 N/A 4900 RPM

Limiting Speed - Grease

 N/A 1200 RPM

Precision

 N/A ISO Class 0

Dynamic Load Rating

 N/A 12300 lbf54500 N

Static Load Rating

 N/A 31500 lbf139000 N

Operating Temperature Range

 N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Thrust Needle Roller and Cage Assembly - Type K811, K812 - Dimensions

Dc1

 N/A 1.3780 in35.000 mm

Dc

 N/A 2.4409 in62.000 mm

Dw (0/-0.010)

 N/A 0.2953 in7.500 mm

Ea

 N/A 2.2047 in56.000 mm

Eb

 N/A 1.5669 in39.800 mm