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 for Cylindrical Roller Bearings
Inner Ring for Cylindrical Roller Bearings - Dimensions
Unit of Measure
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Item #

B

W

R

MA5230 N/A 5.9055 in150.000 mm N/A 3.5000 in88.900 mm N/A 0.2500 in6.350 mm
MA5304 N/A 0.7874 in20.000 mm N/A 0.8750 in22.225 mm N/A 0.0402 in1.020 mm
MA5305 N/A 0.9843 in25.000 mm N/A 1.0000 in25.400 mm N/A 0.0402 in1.020 mm
MA5306 N/A 1.1811 in30.000 mm N/A 1.1875 in30.162 mm N/A 0.0598 in1.520 mm
MA5307 N/A 1.3780 in35.000 mm N/A 1.3750 in34.925 mm N/A 0.0598 in1.520 mm
MA5308 N/A 1.5748 in40.000 mm N/A 5.3745 in136.512 mm N/A 0.0598 in1.520 mm
MA5310 N/A 1.9685 in50.000 mm N/A 1.7500 in44.450 mm N/A 0.0799 in2.030 mm
MA5313 N/A 2.5591 in65.000 mm N/A 2.3125 in58.738 mm N/A 0.1000 in2.540 mm
MAB1212 N/A 2.3622 in60.000 mm N/A 2.1875 in55.563 mm N/A
MAB1217 N/A 3.3465 in85.000 mm N/A 2.1250 in53.975 mm N/A
MAB1307 N/A 1.3780 in35.000 mm N/A 0.8268 in21.000 mm N/A 0.0598 in1.520 mm
MR1012 N/A 2.3622 in60.000 mm N/A 0.7087 in18.000 mm N/A 0.0598 in1.520 mm
MR1014 N/A 2.7559 in70.000 mm N/A 0.7874 in20.000 mm N/A 0.0799 in2.030 mm
MR1205 N/A 0.9843 in25.000 mm N/A 0.5906 in15.000 mm N/A 0.0402 in1.020 mm
MR1206 N/A 1.1811 in30.000 mm N/A 0.6299 in16.000 mm N/A 0.0402 in1.020 mm
MR1207 N/A 1.3780 in35.000 mm N/A 0.6693 in17.000 mm N/A 0.0402 in1.020 mm
MR1208 N/A 1.5748 in40.000 mm N/A 0.7087 in18.000 mm N/A 0.0598 in1.520 mm
MR1209 N/A 1.7717 in45.000 mm N/A 0.7480 in19.000 mm N/A 0.0598 in1.520 mm
MR1210 N/A 1.9685 in50.000 mm N/A 0.7874 in20.000 mm N/A 0.0598 in1.520 mm
MR1211 N/A 2.1654 in55.000 mm N/A 0.8268 in21.000 mm N/A 0.0799 in2.030 mm
MR1212 N/A 2.3622 in60.000 mm N/A 0.8661 in22.000 mm N/A 0.0799 in2.030 mm
MR1213 N/A 2.5591 in65.000 mm N/A 0.9055 in23.000 mm N/A 0.1000 in2.540 mm
MR1214 N/A 2.7559 in70.000 mm N/A 0.9449 in24.000 mm N/A 0.1000 in2.540 mm
MR1216 N/A 3.1496 in80.000 mm N/A 1.0236 in26.000 mm N/A 0.1000 in2.540 mm
MR1218 N/A 3.5433 in90.000 mm N/A 1.1811 in30.000 mm N/A 0.1252 in3.180 mm
Unit of Measure
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