Item # HSB921C, Ultra High-Speed Single Angular Contact Ball Bearings 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 Machined
Cage Material	N/A Phenolic
Ball Material	N/A Steel
Limiting Speed - Oil	N/A 9700 RPM
Limiting Speed - Grease	N/A 7300 RPM
Configuration	N/A One
Factor	N/A 11.2
Static Load Rating	N/A 6700 lbf29700 N29.70 kN
Dynamic Load Rating	N/A 7750 lbf34500 N34.50 kN
Enclosure	N/A Open
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Ultra High-Speed Single Angular Contact Ball Bearings - 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
r	N/A 0.0433 in1.100 mm
r1	N/A 0.0236 in0.600 mm
Contact Angle	N/A 15 º
a	N/A 1.0433 in26.500 mm
da min	N/A 4.4094 in112.000 mm
Da max	N/A 5.4331 in138.000 mm
ras max	N/A 0.0394 in1.000 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