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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Inner Ring
Inner Ring - Dimensions
Unit of Measure
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Item #

d

F

B

r

1R33X37X13 N/A 1.2992 in33.000 mm N/A 1.4567 in37.000 mm N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm
1R340X370X80 N/A 13.3858 in340.000 mm N/A 14.5669 in370.000 mm N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm
1R340X380X118 N/A 13.3858 in340.000 mm N/A 14.9606 in380.000 mm N/A 4.6457 in118.000 mm N/A 0.1181 in3.000 mm
1R35X40X12.5 N/A 1.3780 in35.000 mm N/A 1.5748 in40.000 mm N/A 0.4921 in12.500 mm N/A 0.0118 in0.300 mm
1R35X40X16.5 N/A 1.3780 in35.000 mm N/A 1.5748 in40.000 mm N/A 0.6496 in16.500 mm N/A 0.0118 in0.300 mm
1R35X40X17 N/A 1.3780 in35.000 mm N/A 1.5748 in40.000 mm N/A 0.6693 in17.000 mm N/A 0.0118 in0.300 mm
1R35X40X20 N/A 1.3780 in35.000 mm N/A 1.5748 in40.000 mm N/A 0.7874 in20.000 mm N/A 0.0118 in0.300 mm
1R35X40X20.5 N/A 1.3780 in35.000 mm N/A 1.5748 in40.000 mm N/A 0.8071 in20.500 mm N/A 0.0118 in0.300 mm
1R35X40X30 N/A 1.3780 in35.000 mm N/A 1.5748 in40.000 mm N/A 1.1811 in30.000 mm N/A 0.0118 in0.300 mm
1R35X40X34 N/A 1.3780 in35.000 mm N/A 1.5748 in40.000 mm N/A 1.3386 in34.000 mm N/A 0.0118 in0.300 mm
1R35X40X40 N/A 1.3780 in35.000 mm N/A 1.5748 in40.000 mm N/A 1.5748 in40.000 mm N/A 0.0118 in0.300 mm
1R35X42X20 N/A 1.3780 in35.000 mm N/A 1.6535 in42.000 mm N/A 0.7874 in20.000 mm N/A 0.0236 in0.600 mm
1R35X42X21 N/A 1.3780 in35.000 mm N/A 1.6535 in42.000 mm N/A 0.8268 in21.000 mm N/A 0.0236 in0.600 mm
1R35X42X230 N/A 1.3780 in35.000 mm N/A 1.6535 in42.000 mm N/A 0.9055 in23.000 mm N/A 0.0236 in0.600 mm
1R35X42X27 N/A 1.3780 in35.000 mm N/A 1.6535 in42.000 mm N/A 1.0630 in27.000 mm N/A 0.0236 in0.600 mm
1R35X42X36 N/A 1.3780 in35.000 mm N/A 1.6535 in42.000 mm N/A 1.4173 in36.000 mm N/A 0.0236 in0.600 mm
1R35X43X22 N/A 1.3780 in35.000 mm N/A 1.6929 in43.000 mm N/A 0.8661 in22.000 mm N/A 0.0236 in0.600 mm
1R360X390X80 N/A 14.1732 in360.000 mm N/A 15.3543 in390.000 mm N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm
1R360X400X118 N/A 14.1732 in360.000 mm N/A 15.7480 in400.000 mm N/A 4.6457 in118.000 mm N/A 0.1181 in3.000 mm
1R380X415X100 N/A 14.9606 in380.000 mm N/A 16.3386 in415.000 mm N/A 3.9370 in100.000 mm N/A 0.0827 in2.100 mm
1R380X430X140 N/A 14.9606 in380.000 mm N/A 16.9291 in430.000 mm N/A 5.5118 in140.000 mm N/A 0.1575 in4.000 mm
1R38X43X20 N/A 1.4961 in38.000 mm N/A 1.6929 in43.000 mm N/A 0.7874 in20.000 mm N/A 0.0118 in0.300 mm
1R38X43X30 N/A 1.4961 in38.000 mm N/A 1.6929 in43.000 mm N/A 1.1811 in30.000 mm N/A 0.0118 in0.300 mm
1R400X450X140 N/A 15.7480 in400.000 mm N/A 17.7165 in450.000 mm N/A 5.5118 in140.000 mm N/A 0.1575 in4.000 mm
1R40X45X16.5 N/A 1.5748 in40.000 mm N/A 1.7717 in45.000 mm N/A 0.6496 in16.500 mm N/A 0.0118 in0.300 mm
Unit of Measure
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