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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Ultra-Class Four Bolt Flanged Unit with Eccentric Lock
Ultra-Class Four Bolt Flanged Unit, Eccentric Lock, UELFU Type - Dimensions
Unit of Measure
1 2 3 

Item #

d

L

J

A

A0

A1

Lubrication

Ball Material

Outside Diameter 

Outside Diameter

Bore Type

Outside Ring Width

Inside Ring Width

Clearance

Cage Material

Precision Rating

Radial Dynamic Load Rating

Radial Static Load Rating

Rotational Speed [Max]-Grease

UELFU-1.11/16 N/A 1-11/16 in42.863 mm N/A 5.4063 in137.3 mm N/A 4.125 in104.8 mm N/A 1.5625 in39.7 mm N/A 2.3125 in58.700 mm N/A 0.7188 in18.3 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-1.13/16 N/A 1-13/16 in46.038 mm N/A 5.6563 in143.7 mm N/A 4.375 in111.1 mm N/A 1.8125 in46.0 mm N/A 2.6094 in66.300 mm N/A 0.7813 in19.8 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-1.15/16 N/A 1-15/16 in49.213 mm N/A 5.6563 in143.7 mm N/A 4.375 in111.1 mm N/A 1.8125 in46.0 mm N/A 2.6094 in66.300 mm N/A 0.7813 in19.8 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-1.3/16 N/A 1-3/16 in30.163 mm N/A 4.2813 in108.7 mm N/A 3.25 in82.6 mm N/A 1.3125 in33.3 mm N/A 1.9688 in50.000 mm N/A 0.625 in15.9 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-1.3/4 N/A 1-3/4 in44.450 mm N/A 5.4063 in137.3 mm N/A 4.125 in104.8 mm N/A 1.5625 in39.7 mm N/A 2.3125 in58.700 mm N/A 0.7188 in18.3 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-1.3/8 N/A 1-3/8 in34.925 mm N/A 4.6563 in118.3 mm N/A 3.625 in92.1 mm N/A 1.4063 in35.7 mm N/A 2.0938 in53.200 mm N/A 0.6563 in16.7 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-1.5/16 N/A 1-5/16 in33.338 mm N/A 4.6563 in118.3 mm N/A 3.625 in92.1 mm N/A 1.4063 in35.7 mm N/A 2.0938 in53.200 mm N/A 0.6563 in16.7 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-1.5/8 N/A 1-5/8 in41.275 mm N/A 5.4063 in137.3 mm N/A 4.125 in104.8 mm N/A 1.5625 in39.7 mm N/A 2.3125 in58.700 mm N/A 0.7188 in18.3 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-1.7/16 N/A 1-7/16 in36.513 mm N/A 4.6563 in118.3 mm N/A 3.625 in92.1 mm N/A 1.4063 in35.7 mm N/A 2.0938 in53.200 mm N/A 0.6563 in16.7 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-1.7/8 N/A 1-7/8 in47.625 mm N/A 5.6563 in143.7 mm N/A 4.375 in111.1 mm N/A 1.8125 in46.0 mm N/A 2.6094 in66.300 mm N/A 0.7813 in19.8 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-1.9/16 N/A 1-9/16 in39.688 mm N/A 5.1563 in131.0 mm N/A 4 in101.6 mm N/A 1.5313 in38.9 mm N/A 2.3125 in58.700 mm N/A 0.6563 in16.7 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-13/16 N/A 13/16 in20.638 mm N/A 3.7813 in96.0 mm N/A 2.75 in69.9 mm N/A 1.1875 in30.2 mm N/A 1.8125 in46.000 mm N/A 0.5938 in15.1 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-15/16 N/A 15/16 in23.813 mm N/A 3.7813 in96.0 mm N/A 2.75 in69.9 mm N/A 1.1875 in30.2 mm N/A 1.8125 in46.000 mm N/A 0.5938 in15.1 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-2 N/A 2 in50.800 mm N/A 6.4063 in162.7 mm N/A 5.125 in130.2 mm N/A 1.9375 in49.2 mm N/A 2.9375 in74.600 mm N/A 0.8125 in20.6 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-2.1/16 N/A 2-1/16 in52.388 mm N/A 6.4063 in162.7 mm N/A 5.125 in130.2 mm N/A 1.9375 in49.2 mm N/A 2.9375 in74.600 mm N/A 0.8125 in20.6 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-2.1/2R N/A 2-1/2 in63.500 mm N/A 7.3750 in187.3 mm N/A 5.8594 in148.8 mm N/A 2.3125 in58.7 mm N/A 3.5000 in88.900 mm N/A 0.875 in22.2 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-2.1/4 N/A 2-1/4 in57.150 mm N/A 6.8750 in174.6 mm N/A 5.625 in142.9 mm N/A 2.0938 in53.2 mm N/A 3.1875 in81.000 mm N/A 0.8125 in20.6 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-2.1/8 N/A 2-1/8 in53.975 mm N/A 6.4063 in162.7 mm N/A 5.125 in130.2 mm N/A 1.9375 in49.2 mm N/A 2.9375 in74.600 mm N/A 0.8125 in20.6 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-2.11/16 N/A 2-11/16 in68.263 mm N/A 7.5938 in192.9 mm N/A 5.875 in149.2 mm N/A 2.4375 in61.9 mm N/A 3.5256 in89.550 mm N/A 0.875 in22.2 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-2.11/16R N/A 2-11/16 in68.263 mm N/A 7.5938 in192.9 mm N/A 5.875 in149.2 mm N/A 2.4375 in61.9 mm N/A 3.5313 in89.700 mm N/A 0.875 in22.2 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-2.13/16 N/A 2-13/16 in71.438 mm N/A 7.8750 in200.0 mm N/A 6 in152.4 mm N/A 2.5625 in65.1 mm N/A 3.7656 in95.600 mm N/A 0.875 in22.2 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-2.15/16 N/A 2-15/16 in74.613 mm N/A 7.8750 in200.0 mm N/A 6 in152.4 mm N/A 2.5625 in65.1 mm N/A 3.7656 in95.600 mm N/A 0.875 in22.2 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-2.3/16 N/A 2-3/16 in55.563 mm N/A 6.4063 in162.7 mm N/A 5.125 in130.2 mm N/A 1.9375 in49.2 mm N/A 2.9375 in74.600 mm N/A 0.8125 in20.6 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-2.3/4 N/A 2-3/4 in69.850 mm N/A 7.5938 in192.9 mm N/A 5.875 in149.2 mm N/A 2.4375 in61.9 mm N/A 3.5256 in89.550 mm N/A 0.875 in22.2 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UELFU-2.3/4R N/A 2-3/4 in69.850 mm N/A 7.5938 in192.9 mm N/A 5.875 in149.2 mm N/A 2.4375 in61.9 mm N/A 3.5313 in89.700 mm N/A 0.875 in22.2 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Unit of Measure
1 2 3