Item # 71921CV, Single Angular Contact Ball Bearing, High Precision 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 Angular Contact Ball Bearing
Bore Type	N/A Round
Material	N/A High Carbon Chrome Steel
Cage Type	N/A Stratified
Cage Material	N/A Phenolic
Ball Material	N/A Steel
Limiting Speed - Oil	N/A 14000 RPM
Limiting Speed - Grease	N/A 9200 RPM
Configuration	N/A One
Static Load Rating	N/A 12825 lbf57000 N57.00 kN
Dynamic Load Rating	N/A 11250 lbf50000 N50.00 kN
Enclosure	N/A Open
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Single Angular Contact Ball Bearing, High Precision - Dimensions
d	N/A 4.1339 in105.000 mm
D	N/A 5.7087 in145.000 mm
B	N/A 0.7874 in20.000 mm
r2 max	N/A 0.0433 in1.100 mm
r3 max	N/A 0.0236 in0.600 mm
Contact Angle	N/A 15 º
a (Load Center)	N/A 1.0630 in27.000 mm
d2	N/A 4.5866 in116.500 mm
D1	N/A 5.2559 in133.500 mm
D4	N/A 5.4528 in138.500 mm
D5	N/A 0.0827 in4.7441 mm
E	N/A 2.100 in120.500 mm
Double Row Width	N/A 1.5748 in40.000 mm
Triple Row Width	N/A 2.3622 in60.000 mm
Quadruple Row Width	N/A 3.1496 in80.000 mm