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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Four Bolt Square Flanged Unit, Cast Housing, Set Screw, Cast Dust Cover, Closed End, UCF Type
Four Bolt Square Flanged Unit, Cast Housing, Set Screw, Cast Dust Cover, Closed End, UCF Type - Dimensions
Unit of Measure
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Item #

d

L

J

A

A5

Outside Ring Type

Ball Material

Outside Diameter

Bore Type

Enclosure

Number of Holes

Clearance

Cage Material

Precision Rating

Axial Static Load Rating

Radial Dynamic Load Rating

Rotational Speed [Max]-Grease

Rotational Speed [Max]-Oil

Outside Diameter 

Lubrication

Outside Ring Width

Inside Ring Width

Radial Static Load Rating

CM-UCF306-102D1 N/A 1.1250 in28.575 mm N/A 4.9062 in125.0 mm N/A 3.7344 in95.0 mm N/A 1.2500 in32.0 mm N/A 2.3750 in60.000 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 N/A N/A N/A N/A N/A
CM-UCF306-103D1 N/A 1.1875 in30.163 mm N/A 4.9062 in125.0 mm N/A 3.7344 in95.0 mm N/A 1.2500 in32.0 mm N/A 2.3750 in60.000 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 N/A N/A N/A N/A N/A
CM-UCF306D1 N/A 1.1811 in30.000 mm N/A 4.9062 in125.0 mm N/A 3.7344 in95.0 mm N/A 1.2500 in32.0 mm N/A 2.3750 in60.000 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 N/A N/A N/A N/A N/A
CM-UCF307-104D1 N/A 1.2500 in31.750 mm N/A 5.3125 in135.0 mm N/A 3.9375 in100.0 mm N/A 1.4062 in36.0 mm N/A 2.6875 in68.000 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 N/A N/A N/A N/A N/A
CM-UCF307-105D1 N/A 1.3125 in33.338 mm N/A 5.3125 in135.0 mm N/A 3.9375 in100.0 mm N/A 1.4062 in36.0 mm N/A 2.6875 in68.000 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 N/A N/A N/A N/A N/A
CM-UCF307-106D1 N/A 1.3750 in34.925 mm N/A 5.3125 in135.0 mm N/A 3.9375 in100.0 mm N/A 1.4062 in36.0 mm N/A 2.6875 in68.000 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 N/A N/A N/A N/A N/A
CM-UCF307-107D1 N/A 1.4375 in36.513 mm N/A 5.3125 in135.0 mm N/A 3.9375 in100.0 mm N/A 1.4062 in36.0 mm N/A 2.6875 in68.000 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 N/A N/A N/A N/A N/A
CM-UCF307D1 N/A 1.3780 in35.000 mm N/A 5.3125 in135.0 mm N/A 3.9375 in100.0 mm N/A 1.4062 in36.0 mm N/A 2.6875 in68.000 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 N/A N/A N/A N/A N/A
CM-UCF308-108D1 N/A 1.5000 in38.100 mm N/A 5.9062 in150.0 mm N/A 4.4062 in112.0 mm N/A 1.5625 in40.0 mm N/A 3.0000 in76.000 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 N/A N/A N/A N/A N/A
CM-UCF308-109D1 N/A 1.5625 in39.688 mm N/A 5.9062 in150.0 mm N/A 4.4062 in112.0 mm N/A 1.5625 in40.0 mm N/A 3.0000 in76.000 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 N/A N/A N/A N/A N/A
CM-UCF308D1 N/A 1.5750 in40.000 mm N/A 5.9062 in150.0 mm N/A 4.4062 in112.0 mm N/A 1.5625 in40.0 mm N/A 2.9920 in76.000 mm N/A N/A Through Hardened N/A 3.5430 in90.000 mm N/A Cylindrical N/A N/A N/A CN N/A Pressed Steel N/A ISO Class 0 N/A N/A 9105 lbf40500 N N/A 3550 RPM N/A N/A 3.5430 in90.000 mm N/A N/A N/A N/A 5395 lbf24000 N
CM-UCF309-110D1 N/A 1.6250 in41.275 mm N/A 6.3125 in160.0 mm N/A 4.9219 in125.0 mm N/A 1.7187 in44.0 mm N/A 3.1563 in80.000 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 N/A N/A N/A N/A N/A
CM-UCF309-111D1 N/A 1.6875 in42.863 mm N/A 6.3125 in160.0 mm N/A 4.9219 in125.0 mm N/A 1.7187 in44.0 mm N/A 3.1563 in80.000 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 N/A N/A N/A N/A N/A
CM-UCF309-112D1 N/A 1.7500 in44.450 mm N/A 6.3125 in160.0 mm N/A 4.9219 in125.0 mm N/A 1.7187 in44.0 mm N/A 3.1563 in80.000 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 N/A N/A N/A N/A N/A
CM-UCF309D1 N/A 1.7717 in45.000 mm N/A 6.3125 in160.0 mm N/A 4.9219 in125.0 mm N/A 1.7187 in44.0 mm N/A 3.1563 in80.000 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 N/A N/A N/A N/A N/A
CM-UCF310-113D1 N/A 1.8125 in46.038 mm N/A 6.8750 in175.0 mm N/A 5.2031 in132.0 mm N/A 1.875 in48.0 mm N/A 3.4688 in88.000 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 N/A N/A N/A N/A N/A
CM-UCF310-114D1 N/A 1.8750 in47.625 mm N/A 6.8750 in175.0 mm N/A 5.2031 in132.0 mm N/A 1.875 in48.0 mm N/A 3.4688 in88.000 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 N/A N/A N/A N/A N/A
CM-UCF310-115D1 N/A 1.9375 in49.213 mm N/A 6.8750 in175.0 mm N/A 5.2031 in132.0 mm N/A 1.875 in48.0 mm N/A 3.4688 in88.000 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 N/A N/A N/A N/A N/A
CM-UCF310D1 N/A 1.9685 in50.000 mm N/A 6.8750 in175.0 mm N/A 5.2031 in132.0 mm N/A 1.875 in48.0 mm N/A 3.4688 in88.000 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 N/A N/A N/A N/A N/A
CM-UCF311-200D1 N/A 2.0000 in50.800 mm N/A 7.2812 in185.0 mm N/A 5.5156 in140.0 mm N/A 2.0625 in52.0 mm N/A 3.6250 in92.000 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 N/A N/A N/A N/A N/A
CM-UCF311-201D1 N/A 2.0625 in52.388 mm N/A 7.2812 in185.0 mm N/A 5.5156 in140.0 mm N/A 2.0625 in52.0 mm N/A 3.6250 in92.000 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 N/A N/A N/A N/A N/A
CM-UCF311-202D1 N/A 2.1250 in53.975 mm N/A 7.2812 in185.0 mm N/A 5.5156 in140.0 mm N/A 2.0625 in52.0 mm N/A 3.6250 in92.000 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 N/A N/A N/A N/A N/A
CM-UCF311-203D1 N/A 2.1875 in55.563 mm N/A 7.2812 in185.0 mm N/A 5.5156 in140.0 mm N/A 2.0625 in52.0 mm N/A 3.6250 in92.000 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 N/A N/A N/A N/A N/A
CM-UCF311D1 N/A 2.1654 in55.000 mm N/A 7.2812 in185.0 mm N/A 5.5156 in140.0 mm N/A 2.0625 in52.0 mm N/A 3.6250 in92.000 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 N/A N/A N/A N/A N/A
CM-UCF312-204D1 N/A 2.2500 in57.150 mm N/A 7.6875 in195.0 mm N/A 5.9062 in150.0 mm N/A 2.2187 in56.0 mm N/A 3.9375 in100.000 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 N/A N/A N/A N/A N/A
Unit of Measure
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