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 Two Bolt Flanged Unit with Set Screw
Ultra-Class Two Bolt Flanged Unit, Set Screw, ARFLU Type - Dimensions
Unit of Measure
1 2 3 

Item #

d

H

L

J

A

A0

Lubrication

Ball Material

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

ARFLU-1 N/A 1 in25.400 mm N/A 4.9063 in124.6 mm N/A 2.7500 in69.9 mm N/A 3.8906 in98.8 mm N/A 1.1875 in30.2 mm N/A 1.5156 in38.500 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
ARFLU-1.1/2 N/A 1-1/2 in38.100 mm N/A 6.7813 in172.2 mm N/A 4.1260 in104.8 mm N/A 5.6563 in143.7 mm N/A 1.5313 in38.9 mm N/A 2.0940 in53.200 mm N/A Outer Ring N/A Through Hardened N/A Cylindrical N/A 0.8660 in22.000 mm N/A 1.5750 in40.000 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 6542 lbf29100 N N/A 4002 lbf17800 N N/A 3750 RPM
ARFLU-2 N/A 2 in50.800 mm N/A 8.5313 in216.7 mm N/A 5.2800 in134.1 mm N/A 7.25 in184.2 mm N/A 1.9375 in49.2 mm N/A 2.0870 in53.000 mm N/A Outer Ring N/A Through Hardened N/A Cylindrical N/A 0.9450 in24.000 mm N/A 1.6930 in43.000 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 9734 lbf43300 N N/A 6542 lbf29100 N N/A 2150 RPM
ARFLU-2S N/A 2 in50.800 mm N/A 7.4688 in189.7 mm N/A 4.5630 in115.9 mm N/A 6.1875 in157.2 mm N/A 1.8125 in46.0 mm N/A 2.3580 in59.900 mm N/A Outer Ring N/A Through Hardened N/A Cylindrical N/A 0.5910 in15.000 mm N/A 1.0630 in27.000 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 7891 lbf35100 N N/A 5193 lbf23100 N N/A 2350 RPM
UCFLU-1 N/A 1 in25.400 mm N/A 4.9063 in124.6 mm N/A 2.7500 in69.9 mm N/A 3.8906 in98.8 mm N/A 1.1875 in30.2 mm N/A 1.5313 in38.900 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.1/16 N/A 1-1/16 in26.988 mm N/A 5.5938 in142.1 mm N/A 3.2813 in83.3 mm N/A 4.5938 in116.7 mm N/A 1.3125 in33.3 mm N/A 1.6563 in42.100 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.1/2 N/A 1-1/2 in38.100 mm N/A 6.7813 in172.2 mm N/A 4.1250 in104.8 mm N/A 5.6563 in143.7 mm N/A 1.5313 in38.9 mm N/A 2.1406 in54.400 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.1/4 N/A 1-1/4 in31.750 mm N/A 6.1563 in156.4 mm N/A 3.7813 in96.0 mm N/A 5.125 in130.2 mm N/A 1.4063 in35.7 mm N/A 1.8281 in46.400 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.1/4S N/A 1-1/4 in31.750 mm N/A 5.5938 in142.1 mm N/A 3.2813 in83.3 mm N/A 4.5938 in116.7 mm N/A 1.3125 in33.3 mm N/A 1.6563 in42.100 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.1/8 N/A 1-1/8 in28.575 mm N/A 5.5938 in142.1 mm N/A 3.2813 in83.3 mm N/A 4.5938 in116.7 mm N/A 1.3125 in33.3 mm N/A 1.6563 in42.100 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.11/16 N/A 1-11/16 in42.863 mm N/A 7.0938 in180.2 mm N/A 4.3750 in111.1 mm N/A 5.8438 in148.4 mm N/A 1.5625 in39.7 mm N/A 2.1406 in54.400 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.13/16 N/A 1-13/16 in46.038 mm N/A 7.0938 in180.2 mm N/A 4.3750 in111.1 mm N/A 5.8438 in148.4 mm N/A 1.5625 in39.7 mm N/A 2.3906 in60.700 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.15/16 N/A 1-15/16 in49.213 mm N/A 7.4688 in189.7 mm N/A 4.5625 in115.9 mm N/A 6.1875 in157.2 mm N/A 1.8125 in46.0 mm N/A 2.3906 in60.700 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.3/16 N/A 1-3/16 in30.163 mm N/A 5.5938 in142.1 mm N/A 3.2813 in83.3 mm N/A 4.5938 in116.7 mm N/A 1.3125 in33.3 mm N/A 1.6563 in42.100 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.3/4 N/A 1-3/4 in44.450 mm N/A 7.0938 in180.2 mm N/A 4.3750 in111.1 mm N/A 5.8438 in148.4 mm N/A 1.5625 in39.7 mm N/A 2.1406 in54.400 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.3/8 N/A 1-3/8 in34.925 mm N/A 6.1563 in156.4 mm N/A 3.7813 in96.0 mm N/A 5.125 in130.2 mm N/A 1.4063 in35.7 mm N/A 1.8281 in46.400 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.5/16 N/A 1-5/16 in33.338 mm N/A 6.1563 in156.4 mm N/A 3.7813 in96.0 mm N/A 5.125 in130.2 mm N/A 1.4063 in35.7 mm N/A 1.8281 in46.400 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.5/8 N/A 1-5/8 in41.275 mm N/A 7.0938 in180.2 mm N/A 4.3750 in111.1 mm N/A 5.8438 in148.4 mm N/A 1.5625 in39.7 mm N/A 2.1406 in54.400 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.7/16 N/A 1-7/16 in36.513 mm N/A 6.1563 in156.4 mm N/A 3.7813 in96.0 mm N/A 5.125 in130.2 mm N/A 1.4063 in35.7 mm N/A 1.8281 in46.400 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.7/8 N/A 1-7/8 in47.625 mm N/A 7.0938 in180.2 mm N/A 4.3750 in111.1 mm N/A 5.8438 in148.4 mm N/A 1.5625 in39.7 mm N/A 2.3906 in60.700 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1.9/16 N/A 1-9/16 in39.688 mm N/A 6.7813 in172.2 mm N/A 4.1250 in104.8 mm N/A 5.6563 in143.7 mm N/A 1.5313 in38.9 mm N/A 2.1406 in54.400 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-1/2 N/A 1/2 in12.700 mm N/A 3.8438 in97.6 mm N/A 2.4063 in61.1 mm N/A 3 in76.2 mm N/A 1.1094 in28.2 mm N/A 1.2969 in32.900 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-11/16 N/A 11/16 in17.463 mm N/A 3.8438 in97.6 mm N/A 2.4063 in61.1 mm N/A 3 in76.2 mm N/A 1.1094 in28.2 mm N/A 1.2969 in32.900 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-13/16 N/A 13/16 in20.638 mm N/A 4.9063 in124.6 mm N/A 2.7500 in69.9 mm N/A 3.8906 in98.8 mm N/A 1.1875 in30.2 mm N/A 1.5313 in38.900 mm N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
UCFLU-15/16 N/A 15/16 in23.813 mm N/A 4.9063 in124.6 mm N/A 2.7500 in69.9 mm N/A 3.8906 in98.8 mm N/A 1.1875 in30.2 mm N/A 1.5313 in38.900 mm 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