Item # NH311, Cylindrical Roller Bearing w/ One Lip Inner Ring w/ Outer Ring & Roller Assembly, Separate Thrust Collar- NH Series 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
Configuration	N/A One
Tolerance	N/A ISO Class 0 (RBEC 1)
Oil Hole	N/A w/o Oil Hole
Radial Internal Clearance	N/A CN
Static Load Rating	N/A 25000 lbf111000 N111.00 kN
Dynamic Load Rating	N/A 25000 lbf111000 N111.00 kN
Enclosure	N/A Open
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Cylindrical Roller Bearing w/ One Lip Inner Ring w/ Outer Ring & Roller Assembly, Separate Thrust Collar- NH Series - Dimensions
d	N/A 2.1654 in55.000 mm
D	N/A 4.7244 in120.000 mm
B	N/A 1.1417 in29.000 mm
Fw	N/A 2.7756 in70.500 mm
d1	N/A 3.0394 in77.200 mm
B1	N/A 0.3543 in9.000 mm
B2	N/A 0.5906 in15.000 mm
J	N/A 3.0394 in77.200 mm
r	N/A 0.0787 in2.000 mm
r1	N/A 0.0787 in2.000 mm
da min	N/A 2.5197 in64.000 mm
db min	N/A 2.5197 in64.000 mm
Da max	N/A 4.3701 in111.000 mm
Db max	N/A 4.3701 in111.000 mm
Db min	N/A 4.2126 in107.000 mm