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

1R5X7X10 N/A 0.1969 in5.000 mm N/A 0.2756 in7.000 mm N/A 0.3937 in10.000 mm N/A 0.0059 in0.150 mm
1R5X8X12 N/A 0.1969 in5.000 mm N/A 0.3150 in8.000 mm N/A 0.4724 in12.000 mm N/A 0.0118 in0.300 mm
1R5X8X16 N/A 0.1969 in5.000 mm N/A 0.3150 in8.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm
1R60X68X25 N/A 2.3622 in60.000 mm N/A 2.6772 in68.000 mm N/A 0.9843 in25.000 mm N/A 0.0394 in1.000 mm
1R60X68X34 N/A 2.3622 in60.000 mm N/A 2.6772 in68.000 mm N/A 1.3386 in34.000 mm N/A 0.0394 in1.000 mm
1R60X68X35 N/A 2.3622 in60.000 mm N/A 2.6772 in68.000 mm N/A 1.3780 in35.000 mm N/A 0.0236 in0.600 mm
1R60X68X45 N/A 2.3622 in60.000 mm N/A 2.6772 in68.000 mm N/A 1.7717 in45.000 mm N/A 0.0394 in1.000 mm
1R60X70X25 N/A 2.3622 in60.000 mm N/A 2.7559 in70.000 mm N/A 0.9843 in25.000 mm N/A 0.0394 in1.000 mm
1R60X70X28 N/A 2.3622 in60.000 mm N/A 2.7559 in70.000 mm N/A 1.1024 in28.000 mm N/A 0.0433 in1.100 mm
1R60X70X30 N/A 2.3622 in60.000 mm N/A 2.7559 in70.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm
1R60X70X60 N/A 2.3622 in60.000 mm N/A 2.7559 in70.000 mm N/A 2.3622 in60.000 mm N/A 0.0394 in1.000 mm
1R65X72X25 N/A 2.5591 in65.000 mm N/A 2.8346 in72.000 mm N/A 0.9843 in25.000 mm N/A 0.0394 in1.000 mm
1R65X72X34 N/A 2.5591 in65.000 mm N/A 2.8346 in72.000 mm N/A 1.3386 in34.000 mm N/A 0.0394 in1.000 mm
1R65X72X45 N/A 2.5591 in65.000 mm N/A 2.8346 in72.000 mm N/A 1.7717 in45.000 mm N/A 0.0394 in1.000 mm
1R65X73X25 N/A 2.5591 in65.000 mm N/A 2.8740 in73.000 mm N/A 0.9843 in25.000 mm N/A 0.0236 in0.600 mm
1R65X73X35 N/A 2.5591 in65.000 mm N/A 2.8740 in73.000 mm N/A 1.3780 in35.000 mm N/A 0.0236 in0.600 mm
1R65X75X28 N/A 2.5591 in65.000 mm N/A 2.9528 in75.000 mm N/A 1.1024 in28.000 mm N/A 0.0433 in1.100 mm
1R65X75X30 N/A 2.5591 in65.000 mm N/A 2.9528 in75.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm
1R65X75X60 N/A 2.5591 in65.000 mm N/A 2.9528 in75.000 mm N/A 2.3622 in60.000 mm N/A 0.0394 in1.000 mm
1R6X10X10 N/A 0.2362 in6.000 mm N/A 0.3937 in10.000 mm N/A 0.3937 in10.000 mm N/A 0.0118 in0.300 mm
1R6X10X12D N/A 0.2362 in6.000 mm N/A 0.3937 in10.000 mm N/A 0.4724 in12.000 mm N/A 0.0118 in0.300 mm
1R6X10X13 N/A 0.2362 in6.000 mm N/A 0.3937 in10.000 mm N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm
1R6X8X10 N/A 0.2362 in6.000 mm N/A 0.3150 in8.000 mm N/A 0.3937 in10.000 mm N/A 0.0059 in0.150 mm
1R6X9X12 N/A 0.2362 in6.000 mm N/A 0.3543 in9.000 mm N/A 0.4724 in12.000 mm N/A 0.0118 in0.300 mm
1R6X9X16 N/A 0.2362 in6.000 mm N/A 0.3543 in9.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm
Unit of Measure
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