Item # HTA921ADB, Duplex Angular Contact Ball Bearings for Axial Loads - HTA Type 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 Main Spindle 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 10000 RPM
Limiting Speed - Grease	N/A 8000 RPM
Configuration	N/A Two
Static Load Rating	N/A 25900 lbf115000 N115.00 kN
Dynamic Load Rating	N/A 9200 lbf41000 N41.00 kN
Enclosure	N/A Open
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Duplex Angular Contact Ball Bearings for Axial Loads - HTA Type - Dimensions
d	N/A 4.1339 in105.000 mm
D	N/A 5.5118 in140.000 mm
B	N/A 0.7087 in18.000 mm
2B	N/A 1.4173 in36.000 mm
d1	N/A 4.7362 in120.300 mm
D2	N/A 5.2756 in134.000 mm
r	N/A 0.0433 in1.100 mm
r1	N/A 0.0236 in0.600 mm
Contact Angle	N/A 30 º
2a	N/A 3.5630 in90.500 mm
da min	N/A 4.5276 in115.000 mm
Db max	N/A 5.4724 in139.000 mm
ras max	N/A 0.0394 in1.000 mm
r1as max	N/A 0.0236 in0.600 mm