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, UKFS Type - Dimensions
Unit of Measure
1 2 

Item #

d

L

J

A

A0

UKFS305D1 (when used with H2305X) N/A 0.7874 in20.000 mm N/A 4.3438 in110.0 mm N/A 3.1563 in80.0 mm N/A 1.1406 in29.0 mm N/A 1.4531 in37.000 mm
UKFS305D1 (when used with HE2305) N/A 0.7500 in19.050 mm N/A 4.3438 in110.0 mm N/A 3.1563 in80.0 mm N/A 1.1406 in29.0 mm N/A 1.4531 in37.000 mm
UKFS306D1 (when used with H2306X) N/A 0.9843 in25.000 mm N/A 4.9063 in125.0 mm N/A 3.7344 in95.0 mm N/A 1.2656 in32.0 mm N/A 1.5937 in40.500 mm
UKFS306D1 (when used with HE2306X) N/A 1.0000 in25.400 mm N/A 4.9063 in125.0 mm N/A 3.7344 in95.0 mm N/A 1.2656 in32.0 mm N/A 1.5937 in40.500 mm
UKFS306D1 (when used with HS2306) N/A 0.8750 in22.225 mm N/A 4.9063 in125.0 mm N/A 3.7344 in95.0 mm N/A 1.2656 in32.0 mm N/A 1.5937 in40.500 mm
UKFS307D1 (when used with H2307X) N/A 1.1811 in30.000 mm N/A 5.3125 in135.0 mm N/A 3.9375 in100.0 mm N/A 1.4063 in36.0 mm N/A 1.7969 in45.500 mm
UKFS307D1 (when used with HS2307) N/A 1.1250 in28.575 mm N/A 5.3125 in135.0 mm N/A 3.9375 in100.0 mm N/A 1.4063 in36.0 mm N/A 1.7969 in45.500 mm
UKFS308D1 (when used with H2308X) N/A 1.3780 in35.000 mm N/A 5.9063 in150.0 mm N/A 4.4063 in112.0 mm N/A 1.5625 in40.0 mm N/A 2.1406 in50.000 mm
UKFS308D1 (when used with HE2308X) N/A 1.2500 in31.750 mm N/A 5.9063 in150.0 mm N/A 4.4063 in112.0 mm N/A 1.5625 in40.0 mm N/A 2.1406 in50.000 mm
UKFS308D1 (when used with HS2308X) N/A 1.3750 in34.925 mm N/A 5.9063 in150.0 mm N/A 4.4063 in112.0 mm N/A 1.5625 in40.0 mm N/A 2.1406 in50.000 mm
UKFS309D1 (when used with H2309X) N/A 1.5748 in40.000 mm N/A 6.3125 in160.0 mm N/A 4.9219 in125.0 mm N/A 1.7344 in44.0 mm N/A 2.1406 in54.500 mm
UKFS309D1 (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 1.7344 in44.0 mm N/A 2.1406 in54.500 mm
UKFS309D1 (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 1.7344 in44.0 mm N/A 2.1406 in54.500 mm
UKFS309D1 (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 1.7344 in44.0 mm N/A 2.1406 in54.500 mm
UKFS310D1 (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 1.8906 in48.0 mm N/A 2.3750 in60.500 mm
UKFS310D1 (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 1.8906 in48.0 mm N/A 2.3750 in60.500 mm
UKFS310D1 (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 1.8906 in48.0 mm N/A 2.3750 in60.500 mm
UKFS310D1 (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 1.8906 in48.0 mm N/A 2.3750 in60.500 mm
UKFS311D1 (when used with H2311X) N/A 1.9685 in50.000 mm N/A 7.2813 in185.0 mm N/A 5.5156 in140.0 mm N/A 2.0469 in52.0 mm N/A 2.5156 in64.000 mm
UKFS311D1 (when used with HA2311) N/A 1.8750 in47.625 mm N/A 7.2813 in185.0 mm N/A 5.5156 in140.0 mm N/A 2.0469 in52.0 mm N/A 2.5156 in64.000 mm
UKFS311D1 (when used with HE2311X) N/A 1.9375 in49.213 mm N/A 7.2813 in185.0 mm N/A 5.5156 in140.0 mm N/A 2.0469 in52.0 mm N/A 2.5156 in64.000 mm
UKFS311D1 (when used with HS2311XY) N/A 2.0000 in50.800 mm N/A 7.2813 in185.0 mm N/A 5.5156 in140.0 mm N/A 2.0469 in52.0 mm N/A 2.5156 in64.000 mm
UKFS312D1 (when used with H2312X) N/A 2.1654 in55.000 mm N/A 7.6875 in195.0 mm N/A 5.9063 in150.0 mm N/A 2.2031 in56.0 mm N/A 2.7344 in69.500 mm
UKFS313D1 (when used with H2313X) N/A 2.3622 in60.000 mm N/A 8.1875 in208.0 mm N/A 6.5313 in166.0 mm N/A 2.2813 in58.0 mm N/A 2.8125 in71.500 mm
UKFS313D1 (when used with HA2313) N/A 2.1875 in55.563 mm N/A 8.1875 in208.0 mm N/A 6.5313 in166.0 mm N/A 2.2813 in58.0 mm N/A 2.8125 in71.500 mm
Unit of Measure
1 2