Item # BNT208DB/GLP4, Double Angular Contact Ball Bearing for Motors and Lathes - Back-to-Back Arrangement 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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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 Resin
Ball Material	N/A Steel
Limiting Speed - Oil	N/A 17000 RPM
Limiting Speed - Grease	N/A 13000 RPM
Seal Type	N/A None
Seal Material	N/A None
Precision	N/A ISO Class 4
Configuration	N/A Two
Preload	N/A Light
Static Load Rating	N/A 7420 lbf33000 N33.00 kN
Dynamic Load Rating	N/A 10100 lbf45000 N45.00 kN
Enclosure	N/A Open
Weight of Single Row Bearing	N/A 0.811 lb0.368 kg
Weight	N/A 1.623 lb0.736 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Double Angular Contact Ball Bearing for Motors and Lathes - Back-to-Back Arrangement - Dimensions
d	N/A 1.5748 in40.000 mm
D	N/A 3.1496 in80.000 mm
B	N/A 0.7087 in18.000 mm
2B	N/A 1.4173 in36.000 mm
d1	N/A 2.0866 in53.000 mm
d2	N/A 1.8780 in47.700 mm
D1	N/A 2.6378 in67.000 mm
r	N/A 0.0433 in1.100 mm
r1	N/A 0.0236 in0.600 mm
Contact Angle	N/A 15 º
da min	N/A 1.8504 in47.000 mm
Da max	N/A 2.8740 in73.000 mm
ras max	N/A 0.0394 in1.000 mm