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

1R95X110X63 N/A 3.7402 in95.000 mm N/A 4.3307 in110.000 mm N/A 2.4803 in63.000 mm N/A 0.0433 in1.100 mm
1R9X12X11 N/A 0.3543 in9.000 mm N/A 0.4724 in12.000 mm N/A 0.4331 in11.000 mm N/A 0.0118 in0.300 mm
1R9X12X12 N/A 0.3543 in9.000 mm N/A 0.4724 in12.000 mm N/A 0.4724 in12.000 mm N/A 0.0118 in0.300 mm
1R9X12X16 N/A 0.3543 in9.000 mm N/A 0.4724 in12.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm
1R9X15X16 N/A 0.3543 in9.000 mm N/A 0.5906 in15.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm
1RISX18X16 N/A 0.5906 in15.000 mm N/A 0.7087 in18.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm
K1R20X25X20 N/A 0.7874 in20.000 mm N/A 0.9843 in25.000 mm N/A 0.7874 in20.000 mm N/A 0.0118 in0.300 mm
M1-060908 N/A 0.3750 in9.525 mm N/A 0.5625 in14.288 mm N/A 0.5098 in12.950 mm N/A 0.0236 in0.600 mm
M1-061012 N/A 0.3750 in9.525 mm N/A 0.6250 in15.875 mm N/A 0.7598 in19.300 mm N/A 0.0236 in0.600 mm
M1-061016 N/A 0.3750 in9.525 mm N/A 0.6250 in15.875 mm N/A 1.0098 in25.650 mm N/A 0.0236 in0.600 mm
M1-081210 N/A 0.5000 in12.700 mm N/A 0.7500 in19.050 mm N/A 0.6350 in16.130 mm N/A 0.0394 in1.000 mm
M1-081212 N/A 0.5000 in12.700 mm N/A 0.7500 in19.050 mm N/A 0.7598 in19.300 mm N/A 0.0394 in1.000 mm
M1-081216 N/A 0.5000 in12.700 mm N/A 0.7500 in19.050 mm N/A 1.0098 in25.650 mm N/A 0.0394 in1.000 mm
M1-101406 N/A 0.6250 in15.875 mm N/A 0.8750 in22.225 mm N/A 0.3850 in9.780 mm N/A 0.0394 in1.000 mm
M1-101408 N/A 0.6250 in15.875 mm N/A 0.8750 in22.225 mm N/A 0.5098 in12.950 mm N/A 0.0394 in1.000 mm
M1-101412 N/A 0.6250 in15.875 mm N/A 0.8750 in22.225 mm N/A 0.7598 in19.300 mm N/A 0.0394 in1.000 mm
M1-101416 N/A 0.6250 in15.875 mm N/A 0.8750 in22.225 mm N/A 1.0098 in25.650 mm N/A 0.0394 in1.000 mm
M1-10412448 N/A 6.5000 in165.100 mm N/A 7.7500 in196.850 mm N/A 3.0150 in76.580 mm N/A 0.1181 in3.000 mm
M1-11213248 N/A 7.0000 in177.800 mm N/A 8.2500 in209.550 mm N/A 3.0150 in76.580 mm N/A 0.1181 in3.000 mm
M1-12014048 N/A 7.5000 in190.500 mm N/A 8.7500 in222.250 mm N/A 3.0150 in76.580 mm N/A 0.1575 in4.000 mm
M1-121612 N/A 0.7500 in19.050 mm N/A 1.0000 in25.400 mm N/A 0.7598 in19.300 mm N/A 0.0394 in1.000 mm
M1-121616 N/A 0.7500 in19.050 mm N/A 1.0000 in25.400 mm N/A 1.0098 in25.650 mm N/A 0.0394 in1.000 mm
M1-12814848 N/A 8.0000 in203.200 mm N/A 9.2500 in234.950 mm N/A 3.0150 in76.580 mm N/A 0.1575 in4.000 mm
M1-141808 N/A 0.8750 in22.225 mm N/A 1.1250 in28.575 mm N/A 0.5098 in12.950 mm N/A 0.0394 in1.000 mm
M1-141812 N/A 0.8750 in22.225 mm N/A 1.1250 in28.575 mm N/A 0.7598 in19.300 mm N/A 0.0394 in1.000 mm
Unit of Measure
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