NTN BEARING CORPORATION 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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Ordering Options

 N/A Contact NTN Customer Relations

Technical Specifications

Type

 N/A Spherical Roller Bearing

Bore Type

 N/A Round

Material

 N/A Through Hardened Steel

Cage Type

 N/A Machined

Cage Material

 N/A Brass

Limiting Speed - Oil

 N/A 5000 RPM

Limiting Speed - Grease

 N/A 4000 RPM

Series

 N/A 222

Radial Internal Clearance

 N/A CN

Ring Modification

 N/A Relube

Tolerance

 N/A JIS-0 RBEC-1

Static Load Rating

 N/A 56000 lbf249000 N249.00 kN

Dynamic Load Rating

 N/A 55000 lbf245000 N245.00 kN

Enclosure

 N/A Open

Weight

 N/A 3.770 lb1.710 kg

Operating Temperature Range

 N/A -40 to 400 ºF-40 to 200 ºC

Dimensional Specifications


Spherical Roller Bearing w/ Standard Bore & Oil Groove, 222 Series - Dimensions

d

 N/A 2.9528 in75.000 mm

D

 N/A 5.1181 in130.000 mm

B

 N/A 1.2205 in31.000 mm

d1

 N/A 3.4646 in88.000 mm

D1

 N/A 4.6457 in118.000 mm

r

 N/A 0.0591 in1.500 mm

W0

 N/A 0.2756 in7.000 mm