Item # N221, Cylindrical Roller Bearing - Inner Ring w/ Two Ribs, Separable, Plain Outer Ring - N 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 Cylindrical Roller Bearing
Bore Type	N/A Round
Material	N/A Hardened Alloy Steel
Cage Material	N/A Pressed Steel
Limiting Speed - Oil	N/A 4300 RPM
Limiting Speed - Grease	N/A 3600 RPM
Precision	N/A ISO Class 0
Configuration	N/A One
Oil Hole	N/A w/o Oil Hole
Radial Internal Clearance	N/A CN
Static Load Rating	N/A 54000 lbf241000 N241.00 kN
Dynamic Load Rating	N/A 45000 lbf201000 N201.00 kN
Enclosure	N/A Open
Weight	N/A 8.708 lb3.950 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Cylindrical Roller Bearing - Inner Ring w/ Two Ribs, Separable, Plain Outer Ring - Dimensions
d	N/A 4.1339 in105.000 mm
D	N/A 7.4803 in190.000 mm
B	N/A 1.4173 in36.000 mm
Ew	N/A 6.6457 in168.800 mm
J	N/A 5.3150 in135.000 mm
r	N/A 0.0787 in2.000 mm
da min	N/A 4.5669 in116.000 mm
db min	N/A 4.5669 in116.000 mm
Da max	N/A 7.0472 in179.000 mm
Db max	N/A 7.0472 in179.000 mm
Db min	N/A 7.0472 in179.000 mm
r1as max	N/A 0.0787 in2.000 mm