Item # 7220HG1, 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 9800 RPM
Limiting Speed - Grease	N/A 6400 RPM
Configuration	N/A One
Static Load Rating	N/A 27225 lbf121000 N121.00 kN
Dynamic Load Rating	N/A 32175 lbf143000 N143.00 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 3.9370 in100.000 mm
D	N/A 7.0866 in180.000 mm
B	N/A 1.3386 in34.000 mm
r2 max	N/A 0.0827 in2.100 mm
r3 max	N/A 0.0433 in1.100 mm
Contact Angle	N/A 25 º
a (Load Center)	N/A 1.9685 in50.000 mm
d2	N/A 4.9016 in124.500 mm
D1	N/A 6.1220 in155.500 mm
D4	N/A 6.5748 in167.000 mm
D5	N/A 0.1496 in5.1575 mm
E	N/A 3.800 in131.000 mm
Double Row Width	N/A 2.6772 in68.000 mm
Triple Row Width	N/A 4.0157 in102.000 mm
Quadruple Row Width	N/A 5.3543 in136.000 mm