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, Adapter, Cast Dust Cover, Open End, UKF Type
Four Bolt Square Flanged Unit, Cast Housing, Adapter, Cast Dust Cover, Open End, UKF Type - Dimensions
Unit of Measure
1 2 3 4 

Item #

d

L

J

A5

C-UKF309D1 (when used with HA2309) N/A 1.4375 in36.513 mm N/A 6.3125 in160.0 mm N/A 4.9219 in125.0 mm N/A 3.1562 in80.000 mm
C-UKF309D1 (when used with HE2309X) N/A 1.5000 in38.100 mm N/A 6.3125 in160.0 mm N/A 4.9219 in125.0 mm N/A 3.1562 in80.000 mm
C-UKF309D1 (when used with HS2309X) N/A 1.6250 in41.275 mm N/A 6.3125 in160.0 mm N/A 4.9219 in125.0 mm N/A 3.1562 in80.000 mm
C-UKF310D1 (when used with H2310X) N/A 1.7717 in45.000 mm N/A 6.8750 in175.0 mm N/A 5.2031 in132.0 mm N/A 3.4687 in88.000 mm
C-UKF310D1 (when used with HA2310) N/A 1.6250 in41.275 mm N/A 6.8750 in175.0 mm N/A 5.2031 in132.0 mm N/A 3.4687 in88.000 mm
C-UKF310D1 (when used with HE2310X) N/A 1.6875 in42.863 mm N/A 6.8750 in175.0 mm N/A 5.2031 in132.0 mm N/A 3.4687 in88.000 mm
C-UKF310D1 (when used with HS2310X) N/A 1.7500 in44.450 mm N/A 6.8750 in175.0 mm N/A 5.2031 in132.0 mm N/A 3.4687 in88.000 mm
C-UKF311D1 (when used with H2311X) N/A 1.9685 in50.000 mm N/A 7.2812 in185.0 mm N/A 5.5156 in140.0 mm N/A 3.6250 in92.000 mm
C-UKF311D1 (when used with HA2311) N/A 1.8750 in47.625 mm N/A 7.2812 in185.0 mm N/A 5.5156 in140.0 mm N/A 3.6250 in92.000 mm
C-UKF311D1 (when used with HE2311X) N/A 1.9375 in49.213 mm N/A 7.2812 in185.0 mm N/A 5.5156 in140.0 mm N/A 3.6250 in92.000 mm
C-UKF311D1 (when used with HS2311XY) N/A 2.0000 in50.800 mm N/A 7.2812 in185.0 mm N/A 5.5156 in140.0 mm N/A 3.6250 in92.000 mm
C-UKF312D1 (when used with H2312X) N/A 2.1654 in55.000 mm N/A 7.6875 in195.0 mm N/A 5.9062 in150.0 mm N/A 3.9375 in100.000 mm
C-UKF312D1 (when used with HS2312) N/A 2.1250 in53.975 mm N/A 7.6875 in195.0 mm N/A 5.9062 in150.0 mm N/A 3.9375 in100.000 mm
C-UKF313D1 (when used with H2313X) N/A 2.3622 in60.000 mm N/A 8.1875 in208.0 mm N/A 6.5312 in166.0 mm N/A 4.0625 in103.000 mm
C-UKF313D1 (when used with HA2313) N/A 2.1875 in55.563 mm N/A 8.1875 in208.0 mm N/A 6.5312 in166.0 mm N/A 4.0625 in103.000 mm
C-UKF313D1 (when used with HE2313X) N/A 2.2500 in57.150 mm N/A 8.1875 in208.0 mm N/A 6.5312 in166.0 mm N/A 4.0625 in103.000 mm
C-UKF313D1 (when used with HS2313X) N/A 2.3750 in60.325 mm N/A 8.1875 in208.0 mm N/A 6.5312 in166.0 mm N/A 4.0625 in103.000 mm
C-UKF315D1 (when used with H2315X) N/A 2.5591 in65.000 mm N/A 9.2812 in236.0 mm N/A 7.25 in184.0 mm N/A 4.5000 in114.000 mm
C-UKF315D1 (when used with HA2315) N/A 2.4375 in61.913 mm N/A 9.2812 in236.0 mm N/A 7.25 in184.0 mm N/A 4.5000 in114.000 mm
C-UKF315D1 (when used with HE2315X) N/A 2.5000 in63.500 mm N/A 9.2812 in236.0 mm N/A 7.25 in184.0 mm N/A 4.5000 in114.000 mm
C-UKF316D1 (when used with H2316X) N/A 2.7559 in70.000 mm N/A 9.8437 in250.0 mm N/A 7.7187 in196.0 mm N/A 4.5625 in116.000 mm
C-UKF316D1 (when used with HA2316) N/A 2.6875 in68.263 mm N/A 9.8437 in250.0 mm N/A 7.7187 in196.0 mm N/A 4.5625 in116.000 mm
C-UKF316D1 (when used with HE2316X) N/A 2.7500 in69.850 mm N/A 9.8437 in250.0 mm N/A 7.7187 in196.0 mm N/A 4.5625 in116.000 mm
C-UKF317D1 (when used with H2317X) N/A 2.9528 in75.000 mm N/A 10.2500 in260.0 mm N/A 8.0313 in204.0 mm N/A 5.0937 in129.000 mm
C-UKF317D1 (when used with HA2317) N/A 2.9375 in74.613 mm N/A 10.2500 in260.0 mm N/A 8.0313 in204.0 mm N/A 5.0937 in129.000 mm
Unit of Measure
1 2 3 4