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

UCP-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
UCP-2.1/8 N/A 2-1/8 in53.975 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
UCP-2.11/16R N/A 2-11/16 in68.263 mm N/A 8-9/32 in210.3 mm N/A 10.4688 in265.9 mm N/A 2.8438 in72.2 mm N/A 3-1/8 in79.4 mm N/A 6.1875 in157.2 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
UCP-2.13/16 N/A 2-13/16 in71.438 mm N/A 8-1/2 in215.9 mm N/A 10.8125 in274.6 mm N/A 2.9063 in73.8 mm N/A 3-1/4 in82.6 mm N/A 6.4063 in162.7 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
UCP-2.15/16 N/A 2-15/16 in74.613 mm N/A 8-1/2 in215.9 mm N/A 10.8125 in274.6 mm N/A 2.9063 in73.8 mm N/A 3-1/4 in82.6 mm N/A 6.4063 in162.7 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
UCP-2.3/16 N/A 2-3/16 in55.563 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
UCP-2.3/16MFG1 N/A 2 in50.800 mm N/A 6-15/16 in176.2 mm N/A 8.6250 in219.0 mm N/A 2.375 in60.0 mm N/A 2-1/2 in63.5 mm N/A 4.9606 in126.0 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
UCP-2.3/4R N/A 2-3/4 in69.850 mm N/A 8-9/32 in210.3 mm N/A 10.4688 in265.9 mm N/A 2.8438 in72.2 mm N/A 3-1/8 in79.4 mm N/A 6.1875 in157.2 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
UCP-2.3/8 N/A 2-3/8 in60.325 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
UCP-2.5/16 N/A 2-5/16 in58.738 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
UCP-2.5/8R N/A 2-5/8 in66.675 mm N/A 8-9/32 in210.3 mm N/A 10.4688 in265.9 mm N/A 2.8438 in72.2 mm N/A 3-1/8 in79.4 mm N/A 6.1875 in157.2 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
UCP-2.7/16 N/A 2-7/16 in61.913 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
UCP-2.7/16M/LP03 N/A 2-7/16 in61.913 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
UCP-2.7/16MFG1 N/A 2-7/16 in61.913 mm N/A 7-13/32 in188.1 mm N/A 9.5000 in241.0 mm N/A 2.75 in70.0 mm N/A 2-3/4 in69.8 mm N/A 5.4331 in138.0 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
UCP-2.7/8 N/A 2-7/8 in73.025 mm N/A 8-1/2 in215.9 mm N/A 10.8125 in274.6 mm N/A 2.9063 in73.8 mm N/A 3-1/4 in82.6 mm N/A 6.4063 in162.7 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
UCP-2.9/16 N/A 2-9/16 in65.088 mm N/A 8 in203.2 mm N/A 10.4375 in265.1 mm N/A 2.75 in69.9 mm N/A 3 in76.2 mm N/A 5.9375 in150.8 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
UCP-20 N/A 25/32 in20.000 mm N/A 3-25/32 in96.0 mm N/A 5.0000 in127.0 mm N/A 1.5 in38.1 mm N/A 1-5/16 in33.3 mm N/A 2.5625 in65.1 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
UCP-25 N/A 31/32 in25.000 mm N/A 4-1/8 in104.8 mm N/A 5.5000 in139.7 mm N/A 1.5 in38.1 mm N/A 1-7/16 in36.5 mm N/A 2.7813 in70.6 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
UCP-2M/LP03 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
UCP-2M/LP06 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
UCP-2MFG1 N/A 2 in50.800 mm N/A 6-15/16 in176.2 mm N/A 8.6250 in219.0 mm N/A 2.375 in60.0 mm N/A 2-1/2 in63.5 mm N/A 4.9606 in126.0 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
UCP-2S N/A 2 in50.800 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
UCP-3 N/A 3 in76.200 mm N/A 8-1/2 in215.9 mm N/A 10.8125 in274.6 mm N/A 2.9063 in73.8 mm N/A 3-1/4 in82.6 mm N/A 6.4063 in162.7 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
UCP-3/4 N/A 3/4 in19.050 mm N/A 3-25/32 in96.0 mm N/A 5.0000 in127.0 mm N/A 1.5 in38.1 mm N/A 1-5/16 in33.3 mm N/A 2.5625 in65.1 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
UCP-3/4M/LP03 N/A 3/4 in19.050 mm N/A 3-25/32 in96.0 mm N/A 5.0000 in127.0 mm N/A 1.5 in38.1 mm N/A 1-5/16 in33.3 mm N/A 2.5625 in65.1 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
Unit of Measure
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