Item # MU1221V, Inner Ring w/ Two Ribs and Rollers On NTN Bearing Corp. 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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Technical Specifications

Type	N/A Inner Ring w/ Rollers
Bore Type	N/A Round
Material	N/A Hardened Alloy Steel
Cage Material	N/A One Piece Steel
Configuration	N/A One
Tolerance	N/A ISO Class 0 (RBEC 1)
Oil Hole	N/A w/o Oil Hole
Static Load Rating	N/A 72000 lbf320000 N320.00 kN
Dynamic Load Rating	N/A 56000 lbf249000 N249.00 kN
Enclosure	N/A Open
Weight	N/A 5.560 lb2.522 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Inner Ring w/ Two Ribs and Rollers - Dimensions
B	N/A 4.1339 in105.000 mm
C	N/A 6.6358 in168.550 mm
W	N/A 1.4173 in36.000 mm
F	N/A 5.3098 in134.870 mm
R	N/A 0.1559 in3.960 mm