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

1R17X20X16 N/A 0.6693 in17.000 mm N/A 0.7874 in20.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm
1R17X20X16.5 N/A 0.6693 in17.000 mm N/A 0.7874 in20.000 mm N/A 0.6496 in16.500 mm N/A 0.0118 in0.300 mm
1R17X20X20 N/A 0.6693 in17.000 mm N/A 0.7874 in20.000 mm N/A 0.7874 in20.000 mm N/A 0.0118 in0.300 mm
1R17X20X20.5 N/A 0.6693 in17.000 mm N/A 0.7874 in20.000 mm N/A 0.8071 in20.500 mm N/A 0.0118 in0.300 mm
1R17X20X30.5 N/A 0.6693 in17.000 mm N/A 0.7874 in20.000 mm N/A 1.2008 in30.500 mm N/A 0.0118 in0.300 mm
1R17X21X16 N/A 0.6693 in17.000 mm N/A 0.8268 in21.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm
1R17X21X20 N/A 0.6693 in17.000 mm N/A 0.8268 in21.000 mm N/A 0.7874 in20.000 mm N/A 0.0118 in0.300 mm
1R17X22X13 N/A 0.6693 in17.000 mm N/A 0.8661 in22.000 mm N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm
1R17X22X14D N/A 0.6693 in17.000 mm N/A 0.8661 in22.000 mm N/A 0.5512 in14.000 mm N/A 0.0118 in0.300 mm
1R17X22X16 N/A 0.6693 in17.000 mm N/A 0.8661 in22.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm
1R17X22X18 N/A 0.6693 in17.000 mm N/A 0.8661 in22.000 mm N/A 0.7087 in18.000 mm N/A 0.0118 in0.300 mm
1R17X22X20.5 N/A 0.6693 in17.000 mm N/A 0.8661 in22.000 mm N/A 0.8071 in20.500 mm N/A 0.0118 in0.300 mm
1R17X22X23 N/A 0.6693 in17.000 mm N/A 0.8661 in22.000 mm N/A 0.9055 in23.000 mm N/A 0.0118 in0.300 mm
1R17X22X26 N/A 0.6693 in17.000 mm N/A 0.8661 in22.000 mm N/A 1.0236 in26.000 mm N/A 0.0118 in0.300 mm
1R17X22X32 N/A 0.6693 in17.000 mm N/A 0.8661 in22.000 mm N/A 1.2598 in32.000 mm N/A 0.0118 in0.300 mm
1R17X24X20 N/A 0.6693 in17.000 mm N/A 0.9449 in24.000 mm N/A 0.7874 in20.000 mm N/A 0.0236 in0.600 mm
1R180X195X45 N/A 7.0866 in180.000 mm N/A 7.6772 in195.000 mm N/A 1.7717 in45.000 mm N/A 0.0433 in1.100 mm
1R180X205X69 N/A 7.0866 in180.000 mm N/A 8.0709 in205.000 mm N/A 2.7165 in69.000 mm N/A 0.0787 in2.000 mm
1R190X210X50 N/A 7.4803 in190.000 mm N/A 8.2677 in210.000 mm N/A 1.9685 in50.000 mm N/A 0.0591 in1.500 mm
1R190X215X69 N/A 7.4803 in190.000 mm N/A 8.4646 in215.000 mm N/A 2.7165 in69.000 mm N/A 0.0827 in2.100 mm
1R200X220X50 N/A 7.8740 in200.000 mm N/A 8.6614 in220.000 mm N/A 1.9685 in50.000 mm N/A 0.0591 in1.500 mm
1R200X225X80 N/A 7.8740 in200.000 mm N/A 8.8583 in225.000 mm N/A 3.1496 in80.000 mm N/A 0.0787 in2.000 mm
1R20X24X16 N/A 0.7874 in20.000 mm N/A 0.9449 in24.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm
1R20X24X20 N/A 0.7874 in20.000 mm N/A 0.9449 in24.000 mm N/A 0.7874 in20.000 mm N/A 0.0118 in0.300 mm
1R20X24X28.5 N/A 0.7874 in20.000 mm N/A 0.9449 in24.000 mm N/A 1.1220 in28.500 mm N/A 0.0118 in0.300 mm
Unit of Measure
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