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-UCF318-308D1 N/A 3.5000 in88.900 mm N/A 11.0313 in280.0 mm N/A 8.5 in216.0 mm N/A 3.0000 in76.0 mm N/A 5.0938 in129.000 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-UCF318D1 N/A 3.5433 in90.000 mm N/A 11.0313 in280.0 mm N/A 8.5 in216.0 mm N/A 3.0000 in76.0 mm N/A 5.0938 in129.000 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-UCF319-310D1 N/A 3.6250 in92.075 mm N/A 11.4062 in290.0 mm N/A 8.9687 in228.0 mm N/A 3.6875 in94.0 mm N/A 5.8750 in149.000 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-UCF319-311D1 N/A 3.6875 in93.663 mm N/A 11.4062 in290.0 mm N/A 8.9687 in228.0 mm N/A 3.6875 in94.0 mm N/A 5.8750 in149.000 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-UCF319-312D1 N/A 3.7500 in95.250 mm N/A 11.4062 in290.0 mm N/A 8.9687 in228.0 mm N/A 3.6875 in94.0 mm N/A 5.8750 in149.000 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-UCF319D1 N/A 3.7402 in95.000 mm N/A 11.4062 in290.0 mm N/A 8.9687 in228.0 mm N/A 3.6875 in94.0 mm N/A 5.8750 in149.000 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-UCF320-313D1 N/A 3.8125 in96.838 mm N/A 12.2187 in310.0 mm N/A 9.5312 in242.0 mm N/A 3.6875 in94.0 mm N/A 6.0625 in154.000 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-UCF320-314D1 N/A 3.8750 in98.425 mm N/A 12.2187 in310.0 mm N/A 9.5312 in242.0 mm N/A 3.6875 in94.0 mm N/A 6.0625 in154.000 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-UCF320-315D1 N/A 3.9375 in100.013 mm N/A 12.2187 in310.0 mm N/A 9.5312 in242.0 mm N/A 3.6875 in94.0 mm N/A 6.0625 in154.000 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-UCF320-400D1 N/A 4.0000 in101.600 mm N/A 12.2187 in310.0 mm N/A 9.5312 in242.0 mm N/A 3.6875 in94.0 mm N/A 6.0625 in154.000 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-UCF320D1 N/A 3.9370 in100.000 mm N/A 12.2187 in310.0 mm N/A 9.5312 in242.0 mm N/A 3.6875 in94.0 mm N/A 6.0630 in154.000 mm N/A N/A Through Hardened N/A 8.4650 in215.000 mm N/A Cylindrical N/A N/A N/A CN N/A Pressed Steel N/A ISO Class 0 N/A N/A 38892 lbf173000 N N/A 1450 RPM N/A N/A 8.4650 in215.000 mm N/A N/A N/A N/A 31698 lbf141000 N
CM-UCF321D1 N/A 4.1339 in105.000 mm N/A 12.2047 in310.0 mm N/A 9.5276 in242.0 mm N/A 3.7008 in94.0 mm N/A 6.1417 in156.000 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-UCF322D1 N/A 4.3307 in110.000 mm N/A 13.3858 in340.0 mm N/A 10.4724 in266.0 mm N/A 3.7795 in96.0 mm N/A 6.2992 in160.000 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-UCF324D1 N/A 4.7240 in120.000 mm N/A 14.5669 in370.0 mm N/A 11.4173 in290.0 mm N/A 4.3307 in110.0 mm N/A 6.7720 in172.000 mm N/A N/A Through Hardened N/A 10.2360 in260.000 mm N/A Cylindrical N/A N/A N/A CN N/A Pressed Steel N/A ISO Class 0 N/A N/A 46536 lbf207000 N N/A 1150 RPM N/A N/A 10.2360 in260.000 mm N/A N/A N/A N/A 41590 lbf185000 N
CM-UCF326D1 N/A 5.1181 in130.000 mm N/A 16.1417 in410.0 mm N/A 12.5984 in320.0 mm N/A 4.5276 in115.0 mm N/A 7.0079 in178.000 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-UCF328D1 N/A 5.5118 in140.000 mm N/A 17.7165 in450.0 mm N/A 13.7795 in350.0 mm N/A 4.9213 in125.0 mm N/A 7.5591 in192.000 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-UCFX05-013D1 N/A 0.8125 in20.638 mm N/A 4.2500 in108.0 mm N/A 3.2656 in83.0 mm N/A 1.1875 in30.0 mm N/A 2.2188 in56.000 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-UCFX05-014D1 N/A 0.8750 in22.225 mm N/A 4.2500 in108.0 mm N/A 3.2656 in83.0 mm N/A 1.1875 in30.0 mm N/A 2.2188 in56.000 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-UCFX05-015D1 N/A 0.9375 in23.813 mm N/A 4.2500 in108.0 mm N/A 3.2656 in83.0 mm N/A 1.1875 in30.0 mm N/A 2.2188 in56.000 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-UCFX05-100D1 N/A 1.0000 in25.400 mm N/A 4.2500 in108.0 mm N/A 3.2656 in83.0 mm N/A 1.1875 in30.0 mm N/A 2.2188 in56.000 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-UCFX05D1 N/A 0.9843 in25.000 mm N/A 4.2500 in108.0 mm N/A 3.2656 in83.0 mm N/A 1.1875 in30.0 mm N/A 2.2188 in56.000 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-UCFX06-101D1 N/A 1.0625 in26.988 mm N/A 4.5937 in117.0 mm N/A 3.625 in92.0 mm N/A 1.3437 in34.0 mm N/A 2.3125 in59.000 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-UCFX06-102D1 N/A 1.1250 in28.575 mm N/A 4.5937 in117.0 mm N/A 3.625 in92.0 mm N/A 1.3437 in34.0 mm N/A 2.3125 in59.000 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-UCFX06-103D1 N/A 1.1875 in30.163 mm N/A 4.5937 in117.0 mm N/A 3.625 in92.0 mm N/A 1.3437 in34.0 mm N/A 2.3125 in59.000 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-UCFX06-104D1 N/A 1.2500 in31.750 mm N/A 4.5937 in117.0 mm N/A 3.625 in92.0 mm N/A 1.3437 in34.0 mm N/A 2.3125 in59.000 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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