Item # 7021, Single Angular Contact Ball Bearing - Open 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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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 High Strength, 2 piece, Machined
Cage Material	N/A Brass
Ball Material	N/A Steel
Limiting Speed - Oil	N/A 5500 RPM
Limiting Speed - Grease	N/A 4100 RPM
Configuration	N/A One
Static Load Rating	N/A 18300 lbf81500 N81.50 kN
Dynamic Load Rating	N/A 18000 lbf80000 N80.00 kN
Enclosure	N/A Open
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Single Angular Contact Ball Bearings - Open Type - Dimensions
d	N/A 4.1339 in105.000 mm
D	N/A 6.2992 in160.000 mm
B	N/A 1.0236 in26.000 mm
r	N/A 0.0787 in2.000 mm
r1	N/A 0.0394 in1.000 mm
Contact Angle	N/A 30 º
a (Load Center)	N/A 2.0276 in51.500 mm
da min	N/A 4.5276 in115.000 mm
Da max	N/A 5.9055 in150.000 mm
Db max	N/A 6.0827 in154.500 mm
ras max	N/A 0.0787 in2.000 mm
r1as max	N/A 0.0394 in1.000 mm
Double Row Width	N/A 2.0472 in52.000 mm
Triple Row Width	N/A 3.0709 in78.000 mm
Quadruple Row Width	N/A 4.4094 in112.000 mm