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 Pillow Block Unit with Set Screw
Ultra-Class Pillow Block Unit with Set Screw, High Base, ARP Type - Dimensions
Unit of Measure
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Item #

d

J

L

A

H

H2

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

UCPX-1 N/A 1 in25.400 mm N/A 4-5/8 in117.5 mm N/A 6.5000 in165.1 mm N/A 1.875 in47.6 mm N/A 1-11/16 in42.9 mm N/A 3.2813 in83.3 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
UCPX-1.1/16 N/A 1-1/16 in26.988 mm N/A 5-1/8 in130.2 mm N/A 6.5625 in166.7 mm N/A 1.875 in47.6 mm N/A 1-7/8 in47.6 mm N/A 3.6563 in92.9 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
UCPX-1.1/2 N/A 1-1/2 in38.100 mm N/A 5-7/8 in149.2 mm N/A 7.4688 in189.7 mm N/A 2.125 in54.0 mm N/A 2-1/8 in54.0 mm N/A 4.1875 in106.4 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
UCPX-1.1/4 N/A 1-1/4 in31.750 mm N/A 5-3/8 in136.5 mm N/A 7.0625 in179.4 mm N/A 1.875 in47.6 mm N/A 2-1/8 in54.0 mm N/A 4.1250 in104.8 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
UCPX-1.1/8 N/A 1-1/8 in28.575 mm N/A 5-1/8 in130.2 mm N/A 6.5625 in166.7 mm N/A 1.875 in47.6 mm N/A 1-7/8 in47.6 mm N/A 3.6563 in92.9 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
UCPX-1.11/16 N/A 1-11/16 in42.863 mm N/A 6-7/32 in158.0 mm N/A 8.1250 in206.4 mm N/A 2.375 in60.3 mm N/A 2-1/4 in57.2 mm N/A 4.5000 in114.3 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
UCPX-1.13/16 N/A 1-13/16 in46.038 mm N/A 6-15/16 in176.2 mm N/A 8.6250 in219.1 mm N/A 2.375 in60.3 mm N/A 2-1/2 in63.5 mm N/A 4.9688 in126.2 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
UCPX-1.15/16 N/A 1-15/16 in49.213 mm N/A 6-15/16 in176.2 mm N/A 8.6250 in219.1 mm N/A 2.375 in60.3 mm N/A 2-1/2 in63.5 mm N/A 4.9688 in126.2 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
UCPX-1.3/16 N/A 1-3/16 in30.163 mm N/A 5-1/8 in130.2 mm N/A 6.5625 in166.7 mm N/A 1.875 in47.6 mm N/A 1-7/8 in47.6 mm N/A 3.6563 in92.9 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
UCPX-1.3/4 N/A 1-3/4 in44.450 mm N/A 6-7/32 in158.0 mm N/A 8.1250 in206.4 mm N/A 2.375 in60.3 mm N/A 2-1/4 in57.2 mm N/A 4.5000 in114.3 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
UCPX-1.3/8 N/A 1-3/8 in34.925 mm N/A 5-3/8 in136.5 mm N/A 7.0625 in179.4 mm N/A 1.875 in47.6 mm N/A 2-1/8 in54.0 mm N/A 4.1250 in104.8 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
UCPX-1.5/16 N/A 1-5/16 in33.338 mm N/A 5-3/8 in136.5 mm N/A 7.0625 in179.4 mm N/A 1.875 in47.6 mm N/A 2-1/8 in54.0 mm N/A 4.1250 in104.8 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
UCPX-1.5/8 N/A 1-5/8 in41.275 mm N/A 6-7/32 in158.0 mm N/A 8.1250 in206.4 mm N/A 2.375 in60.3 mm N/A 2-1/4 in57.2 mm N/A 4.5000 in114.3 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
UCPX-1.7/16 N/A 1-7/16 in36.513 mm N/A 5-3/8 in136.5 mm N/A 7.0625 in179.4 mm N/A 1.875 in47.6 mm N/A 2-1/8 in54.0 mm N/A 4.1250 in104.8 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
UCPX-1.7/8 N/A 1-7/8 in47.625 mm N/A 6-15/16 in176.2 mm N/A 8.6250 in219.1 mm N/A 2.375 in60.3 mm N/A 2-1/2 in63.5 mm N/A 4.9688 in126.2 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
UCPX-1.9/16 N/A 1-9/16 in39.688 mm N/A 5-7/8 in149.2 mm N/A 7.4688 in189.7 mm N/A 2.125 in54.0 mm N/A 2-1/8 in54.0 mm N/A 4.1875 in106.4 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
UCPX-13/16 N/A 13/16 in20.638 mm N/A 4-5/8 in117.5 mm N/A 6.5000 in165.1 mm N/A 1.875 in47.6 mm N/A 1-11/16 in42.9 mm N/A 3.2813 in83.3 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
UCPX-15/16 N/A 15/16 in23.813 mm N/A 4-5/8 in117.5 mm N/A 6.5000 in165.1 mm N/A 1.875 in47.6 mm N/A 1-11/16 in42.9 mm N/A 3.2813 in83.3 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
UCPX-2 N/A 2 in50.800 mm N/A 6-15/16 in176.2 mm N/A 8.6250 in219.1 mm N/A 2.375 in60.3 mm N/A 2-1/2 in63.5 mm N/A 4.9688 in126.2 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
UCPX-2.1/16 N/A 2-1/16 in52.388 mm N/A 7-13/32 in188.1 mm N/A 9.5000 in241.3 mm N/A 2.75 in69.9 mm N/A 2-3/4 in69.9 mm N/A 5.4375 in138.1 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
UCPX-2.1/2 N/A 2-1/2 in63.500 mm N/A 8 in203.2 mm N/A 10.4688 in265.9 mm N/A 2.8438 in72.2 mm N/A 3 in76.2 mm N/A 6.0625 in154.0 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
UCPX-2.1/4 N/A 2-1/4 in57.150 mm N/A 7-13/32 in188.1 mm N/A 9.5000 in241.3 mm N/A 2.75 in69.9 mm N/A 2-3/4 in69.9 mm N/A 5.4375 in138.1 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
UCPX-2.1/8 N/A 2-1/8 in53.975 mm N/A 7-13/32 in188.1 mm N/A 9.5000 in241.3 mm N/A 2.75 in69.9 mm N/A 2-3/4 in69.9 mm N/A 5.4375 in138.1 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
UCPX-2.11/16 N/A 2-11/16 in68.263 mm N/A 9 in228.6 mm N/A 13.0000 in330.2 mm N/A 3.5 in88.9 mm N/A 3-1/2 in88.9 mm N/A 7.0000 in177.8 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
UCPX-2.13/16 N/A 2-13/16 in71.438 mm N/A 9 in228.6 mm N/A 13.0000 in330.2 mm N/A 3.5 in88.9 mm N/A 3-1/2 in88.9 mm N/A 7.0000 in177.8 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
Unit of Measure
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