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

1R12X15X16 N/A 0.4724 in12.000 mm N/A 0.5906 in15.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm
1R12X15X16.5 N/A 0.4724 in12.000 mm N/A 0.5906 in15.000 mm N/A 0.6496 in16.500 mm N/A 0.0118 in0.300 mm
1R12X15X22.5 N/A 0.4724 in12.000 mm N/A 0.5906 in15.000 mm N/A 0.8858 in22.500 mm N/A 0.0118 in0.300 mm
1R12X16X12 N/A 0.4724 in12.000 mm N/A 0.6299 in16.000 mm N/A 0.4724 in12.000 mm N/A 0.0118 in0.300 mm
1R12X16X13 N/A 0.4724 in12.000 mm N/A 0.6299 in16.000 mm N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm
1R12X16X140 N/A 0.4724 in12.000 mm N/A 0.6299 in16.000 mm N/A 0.5512 in14.000 mm N/A 0.0118 in0.300 mm
1R12X16X16 N/A 0.4724 in12.000 mm N/A 0.6299 in16.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm
1R12X16X20 N/A 0.4724 in12.000 mm N/A 0.6299 in16.000 mm N/A 0.7874 in20.000 mm N/A 0.0118 in0.300 mm
1R12X16X22 N/A 0.4724 in12.000 mm N/A 0.6299 in16.000 mm N/A 0.8661 in22.000 mm N/A 0.0118 in0.300 mm
1R12X17X20.5 N/A 0.4724 in12.000 mm N/A 0.6693 in17.000 mm N/A 0.8071 in20.500 mm N/A 0.0118 in0.300 mm
1R12X17X25.5 N/A 0.4724 in12.000 mm N/A 0.6693 in17.000 mm N/A 1.0039 in25.500 mm N/A 0.0118 in0.300 mm
1R12X18X16 N/A 0.4724 in12.000 mm N/A 0.7087 in18.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm
1R130X145X32 N/A 5.1181 in130.000 mm N/A 5.7087 in145.000 mm N/A 1.2598 in32.000 mm N/A 0.0591 in1.500 mm
1R130X145X35 N/A 5.1181 in130.000 mm N/A 5.7087 in145.000 mm N/A 1.3780 in35.000 mm N/A 0.0433 in1.100 mm
1R130X145X42 N/A 5.1181 in130.000 mm N/A 5.7087 in145.000 mm N/A 1.6535 in42.000 mm N/A 0.0591 in1.500 mm
1R130X150X50 N/A 5.1181 in130.000 mm N/A 5.9055 in150.000 mm N/A 1.9685 in50.000 mm N/A 0.0591 in1.500 mm
1R130X150X52 N/A 5.1181 in130.000 mm N/A 5.9055 in150.000 mm N/A 2.0472 in52.000 mm N/A 0.0787 in2.000 mm
1R130X150X67 N/A 5.1181 in130.000 mm N/A 5.9055 in150.000 mm N/A 2.6378 in67.000 mm N/A 0.0591 in1.500 mm
1R140X155X32 N/A 5.5118 in140.000 mm N/A 6.1024 in155.000 mm N/A 1.2598 in32.000 mm N/A 0.0591 in1.500 mm
1R140X155X35 N/A 5.5118 in140.000 mm N/A 6.1024 in155.000 mm N/A 1.3780 in35.000 mm N/A 0.0433 in1.100 mm
1R140X155X42 N/A 5.5118 in140.000 mm N/A 6.1024 in155.000 mm N/A 1.6535 in42.000 mm N/A 0.0591 in1.500 mm
1R140X160X50 N/A 5.5118 in140.000 mm N/A 6.2992 in160.000 mm N/A 1.9685 in50.000 mm N/A 0.0591 in1.500 mm
1R140X160X52 N/A 5.5118 in140.000 mm N/A 6.2992 in160.000 mm N/A 2.0472 in52.000 mm N/A 0.0787 in2.000 mm
1R140X160X67 N/A 5.5118 in140.000 mm N/A 6.2992 in160.000 mm N/A 2.6378 in67.000 mm N/A 0.0591 in1.500 mm
1R14X17X17 N/A 0.5512 in14.000 mm N/A 0.6693 in17.000 mm N/A 0.6693 in17.000 mm N/A 0.0118 in0.300 mm
Unit of Measure
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