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

M1-141816 N/A 0.8750 in22.225 mm N/A 1.1250 in28.575 mm N/A 1.0098 in25.650 mm N/A 0.0394 in1.000 mm
M1-141820 N/A 0.8750 in22.225 mm N/A 1.1319 in28.750 mm N/A 1.2598 in32.000 mm N/A 0.0394 in1.000 mm
M1-162012 N/A 1.0000 in25.400 mm N/A 1.2500 in31.750 mm N/A 0.7598 in19.300 mm N/A 0.0394 in1.000 mm
M1-162016 N/A 1.0000 in25.400 mm N/A 1.2500 in31.750 mm N/A 1.0098 in25.650 mm N/A 0.0394 in1.000 mm
M1-162020 N/A 1.0000 in25.400 mm N/A 1.2500 in31.750 mm N/A 1.2598 in32.000 mm N/A 0.0394 in1.000 mm
M1-182208 N/A 1.1250 in28.575 mm N/A 1.3750 in34.925 mm N/A 0.5098 in12.950 mm N/A 0.0394 in1.000 mm
M1-182216 N/A 1.1250 in28.575 mm N/A 1.3750 in34.925 mm N/A 1.0098 in25.650 mm N/A 0.0394 in1.000 mm
M1-182220 N/A 1.1250 in28.575 mm N/A 1.3750 in34.925 mm N/A 1.2598 in32.000 mm N/A 0.0394 in1.000 mm
M1-202416 N/A 1.2500 in31.750 mm N/A 1.5000 in38.100 mm N/A 1.0098 in25.650 mm N/A 0.0591 in1.500 mm
M1-202420 N/A 1.2500 in31.750 mm N/A 1.5000 in38.100 mm N/A 1.2598 in32.000 mm N/A 0.0591 in1.500 mm
M1-212616 N/A 1.3125 in33.338 mm N/A 1.6250 in41.275 mm N/A 1.0098 in25.650 mm N/A 0.0591 in1.500 mm
M1-212620 N/A 1.3125 in33.338 mm N/A 1.6250 in41.275 mm N/A 1.2598 in32.000 mm N/A 0.0591 in1.500 mm
M1-22 2610 N/A 1.3750 in34.925 mm N/A 1.6250 in41.275 mm N/A 0.6350 in16.130 mm N/A 0.0591 in1.500 mm
M1-222816 N/A 1.3750 in34.925 mm N/A 1.7500 in44.450 mm N/A 1.0098 in25.650 mm N/A 0.0591 in1.500 mm
M1-222820 N/A 1.3750 in34.925 mm N/A 1.7500 in44.450 mm N/A 1.2598 in32.000 mm N/A 0.0591 in1.500 mm
M1242812 N/A 1.5000 in38.100 mm N/A 1.7500 in44.450 mm N/A 0.7598 in19.300 mm N/A 0.0591 in1.500 mm
M1-242816 N/A 1.5000 in38.100 mm N/A 1.7500 in44.450 mm N/A 1.0098 in25.650 mm N/A 0.0591 in1.500 mm
M1-253020 N/A 1.5625 in39.688 mm N/A 1.8750 in47.625 mm N/A 1.2598 in32.000 mm N/A 0.0591 in1.500 mm
M1-263216 N/A 1.6250 in41.275 mm N/A 2.0000 in50.800 mm N/A 1.0098 in25.650 mm N/A 0.0591 in1.500 mm
M1-263220 N/A 1.6250 in41.275 mm N/A 2.0000 in50.800 mm N/A 1.2598 in32.000 mm N/A 0.0591 in1.500 mm
M1-283624 N/A 1.7500 in44.450 mm N/A 2.2500 in57.150 mm N/A 1.5098 in38.350 mm N/A 0.0591 in1.500 mm
M1-283628 N/A 1.7500 in44.450 mm N/A 2.2500 in57.150 mm N/A 1.7598 in44.700 mm N/A 0.0591 in1.500 mm
M1-324024 N/A 2.0000 in50.800 mm N/A 2.5000 in63.500 mm N/A 1.5098 in38.350 mm N/A 0.0787 in2.000 mm
M1-324028 N/A 2.0000 in50.800 mm N/A 2.5000 in63.500 mm N/A 1.7598 in44.700 mm N/A 0.0787 in2.000 mm
M1-364416 N/A 2.2500 in57.150 mm N/A 2.7500 in69.850 mm N/A 1.0098 in25.650 mm N/A 0.0787 in2.000 mm
Unit of Measure
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