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

ARP-1 N/A 1 in25.400 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
ARP-1.1/2 N/A 1-1/2 in38.100 mm N/A 5-3/8 in136.5 mm N/A 7.2500 in184.2 mm N/A 2.125 in54.0 mm N/A 1-15/16 in49.2 mm N/A 3.8438 in97.6 mm N/A Outer Ring N/A Through Hardened N/A 3.1500 in80.000 mm N/A 3.1500 in80.000 mm 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 2800 RPM
ARP-1.1/4 N/A 1-1/4 in31.750 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 Outer Ring N/A Through Hardened N/A 2.8350 in72.000 mm N/A 2.8350 in72.000 mm N/A Cylindrical N/A 0.7480 in19.000 mm N/A 1.3780 in35.000 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 5778 lbf25700 N N/A 3440 lbf15300 N N/A 3150 RPM
ARP-1.1/4S N/A 1-1/4 in31.750 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 Outer Ring N/A Through Hardened N/A 2.4410 in62.000 mm N/A 2.4410 in62.000 mm N/A Cylindrical N/A 0.7090 in18.000 mm N/A 1.1810 in30.000 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 4384 lbf19500 N N/A 2540 lbf11300 N N/A 3650 RPM
ARP-1.1/8 N/A 1-1/8 in28.575 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 Outer Ring N/A Through Hardened N/A 2.4410 in62.000 mm N/A 2.4410 in62.000 mm N/A Cylindrical N/A 0.7090 in18.000 mm N/A 1.1810 in30.000 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 4384 lbf19500 N N/A 2540 lbf11300 N N/A 3650 RPM
ARP-1.11/16 N/A 1-11/16 in42.863 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 Outer Ring N/A Through Hardened N/A 3.3460 in85.000 mm N/A 3.3460 in85.000 mm N/A Cylindrical N/A 0.8660 in22.000 mm N/A 1.6340 in41.500 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 7306 lbf32500 N N/A 4609 lbf20500 N N/A 2600 RPM
ARP-1.15/16 N/A 1-15/16 in49.213 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 Outer Ring N/A Through Hardened N/A 3.5430 in90.000 mm N/A 3.5430 in90.000 mm N/A Cylindrical N/A 0.8660 in22.000 mm N/A 1.6930 in43.000 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
ARP-1.3/16 N/A 1-3/16 in30.163 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 Outer Ring N/A Through Hardened N/A 2.0470 in52.000 mm N/A 2.0470 in52.000 mm 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 4451 lbf19800 N N/A 2540 lbf11300 N N/A 3650 RPM
ARP-1.3/4 N/A 1-3/4 in44.450 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 Outer Ring N/A Through Hardened N/A 3.3460 in85.000 mm N/A 3.3460 in85.000 mm N/A Cylindrical N/A 0.8660 in22.000 mm N/A 1.6340 in41.500 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 7351 lbf32700 N N/A 4609 lbf20500 N N/A 2600 RPM
ARP-1.3/8 N/A 1-3/8 in34.925 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 Outer Ring N/A Through Hardened N/A 2.8350 in72.000 mm N/A 2.8350 in72.000 mm N/A Cylindrical N/A 0.7480 in19.000 mm N/A 1.3780 in35.000 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 5778 lbf25700 N N/A 3440 lbf15300 N N/A 3150 RPM
ARP-1.5/8 N/A 1-5/8 in41.275 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
ARP-1.7/16 N/A 1-7/16 in36.513 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 Outer Ring N/A Through Hardened N/A 2.8350 in72.000 mm N/A 2.8350 in72.000 mm N/A Cylindrical N/A 0.7480 in19.000 mm N/A 1.3780 in35.000 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 5778 lbf25700 N N/A 3440 lbf15300 N N/A 3150 RPM
ARP-1.7/8 N/A 1-7/8 in47.625 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 Outer Ring N/A Through Hardened N/A 3.5430 in90.000 mm N/A 3.5430 in90.000 mm N/A Cylindrical N/A 0.8660 in22.000 mm N/A 1.6930 in43.000 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 8768 lbf39000 N N/A 5216 lbf23200 N N/A 2350 RPM
ARP-1/2 N/A 1/2 in12.700 mm N/A 3-5/8 in92.1 mm N/A 5.0000 in127.0 mm N/A 1.5 in38.1 mm N/A 1-3/16 in30.2 mm N/A 2.4375 in61.9 mm N/A Outer Ring N/A Through Hardened N/A 1.5750 in40.000 mm N/A 1.5750 in40.000 mm N/A Cylindrical N/A 0.5120 in13.000 mm N/A 0.8860 in22.500 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 2158 lbf9600 N N/A 1034 lbf4600 N N/A 8000 RPM
ARP-15/16 N/A 15/16 in23.813 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 Outer Ring N/A Through Hardened N/A 2.0470 in52.000 mm N/A 2.0470 in52.000 mm 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 3485 lbf15500 N N/A 1765 lbf7850 N N/A 4450 RPM
ARP-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 Outer Ring N/A Through Hardened N/A 3.9370 in100.000 mm N/A 3.9370 in100.000 mm 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
ARP-2.3/16 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 Outer Ring N/A Through Hardened N/A 3.9370 in100.000 mm N/A 3.9370 in100.000 mm 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
ARP-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 Outer Ring N/A Through Hardened N/A 2.0470 in52.000 mm N/A 2.0470 in52.000 mm 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 3485 lbf15500 N N/A 1765 lbf7850 N N/A 4450 RPM
ARP-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 Outer Ring N/A Through Hardened N/A 2.0470 in52.000 mm N/A 2.0470 in52.000 mm 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
ARP-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 Outer Ring N/A Through Hardened N/A 1.8500 in47.000 mm N/A 1.8500 in47.000 mm N/A Cylindrical N/A 0.5910 in15.000 mm N/A 1.0040 in25.500 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 3192 lbf14200 N N/A 1495 lbf6650 N N/A 5000 RPM
ARP-5/8 N/A 5/8 in15.875 mm N/A 3-5/8 in92.1 mm N/A 5.0000 in127.0 mm N/A 1.5 in38.1 mm N/A 1-3/16 in30.2 mm N/A 2.4375 in61.9 mm N/A Outer Ring N/A Through Hardened N/A 1.5750 in40.000 mm N/A 1.5750 in40.000 mm N/A Cylindrical N/A 0.5120 in13.000 mm N/A 0.8860 in22.500 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 1933 lbf8600 N N/A 809 lbf3600 N N/A 7500 RPM
ARP-7/8 N/A 7/8 in22.225 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 Outer Ring N/A Through Hardened N/A 2.0470 in52.000 mm N/A 2.0470 in52.000 mm 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 3485 lbf15500 N N/A 1765 lbf7850 N N/A 4450 RPM
ARPL-1 N/A 1 in25.400 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 1-5/16 in33.3 mm N/A 2.6875 in68.3 mm N/A Outer Ring N/A Through Hardened N/A 2.0470 in52.000 mm N/A 2.0470 in52.000 mm 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 3147 lbf14000 N N/A 1765 lbf7850 N N/A 4450 RPM
ARPL-1.1/4 N/A 1-1/4 in31.750 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 1-13/16 in46.0 mm N/A 3.5938 in91.3 mm N/A Outer Ring N/A Through Hardened N/A 2.8350 in72.000 mm N/A 2.8350 in72.000 mm N/A Cylindrical N/A 0.7480 in19.000 mm N/A 1.3780 in35.000 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 5778 lbf25700 N N/A 3440 lbf15300 N N/A 3150 RPM
ARPL-1.1/4S N/A 1-1/4 in31.750 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 1-9/16 in39.7 mm N/A 3.1563 in80.2 mm N/A Outer Ring N/A Through Hardened N/A 2.4410 in62.000 mm N/A 2.4410 in62.000 mm N/A Cylindrical N/A 0.7090 in18.000 mm N/A 1.1810 in30.000 mm N/A CN N/A Nylon N/A ISO Class 0 N/A 4384 lbf19500 N N/A 2540 lbf11300 N N/A 3650 RPM
Unit of Measure
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