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

MR5211 N/A 2.1654 in55.000 mm N/A 1.3125 in33.338 mm N/A 0.0799 in2.030 mm
MR5212 N/A 2.3622 in60.000 mm N/A 1.4375 in36.512 mm N/A 0.0799 in2.030 mm
MR5213 N/A 2.5591 in65.000 mm N/A 1.5000 in38.100 mm N/A 0.1000 in2.540 mm
MR5306 N/A 1.1811 in30.000 mm N/A 1.1875 in30.162 mm N/A 0.0598 in1.520 mm
MR5310 N/A 1.9685 in50.000 mm N/A 1.7500 in44.450 mm N/A 0.0799 in2.030 mm
MR5311 N/A 2.1654 in55.000 mm N/A 1.9375 in49.212 mm N/A 0.0799 in2.030 mm
MR7308 N/A 1.5748 in40.000 mm N/A 1.1811 in30.000 mm N/A 0.0598 in1.520 mm
MR7309 N/A 1.7717 in45.000 mm N/A 1.2205 in31.000 mm N/A 0.0799 in2.030 mm
MR7314 N/A 2.7559 in70.000 mm N/A 1.6929 in43.000 mm N/A 0.1252 in3.180 mm
MRB1015 N/A 2.9519 in74.978 mm N/A 0.9300 in23.622 mm N/A 0.0398 in1.010 mm
MRB1305 N/A 0.9843 in25.000 mm N/A 0.6693 in17.000 mm N/A 0.0850 in2.159 mm
MRB1306 N/A 1.1811 in30.000 mm N/A 0.7480 in19.000 mm N/A 0.0598 in1.520 mm
MRB1308 N/A 1.3125 in33.338 mm N/A 0.9449 in24.000 mm N/A 0.0598 in1.520 mm
MRB1310 N/A 1.9685 in50.000 mm N/A 1.0630 in27.000 mm N/A 0.0799 in2.030 mm
MRB1312 N/A 2.4999 in63.497 mm N/A 1.2205 in31.000 mm N/A 0.1250 in3.175 mm
MRB1315 N/A 2.9516 in74.971 mm N/A 1.4567 in37.000 mm N/A 0.1252 in3.180 mm
MRB1316 N/A 3.1488 in79.979 mm N/A 1.6000 in40.640 mm N/A 0.1252 in3.180 mm
MRB7313 N/A 2.5591 in65.000 mm N/A 1.5748 in40.000 mm N/A 0.1000 in2.540 mm
MRB7315 N/A 2.9516 in74.971 mm N/A 1.8110 in46.000 mm N/A 0.1252 in3.180 mm
MRC1307 N/A 1.3780 in35.000 mm N/A 0.8268 in21.000 mm N/A 0.0598 in1.520 mm
MRC1314 N/A 2.7559 in70.000 mm N/A 1.3780 in35.000 mm N/A 0.1252 in3.180 mm
MRD1313 N/A 2.5591 in65.000 mm N/A 1.2992 in33.000 mm N/A 0.1000 in2.540 mm
MS1012 N/A 2.3622 in60.000 mm N/A N/A 0.0598 in1.520 mm
MS1017 N/A 3.3465 in85.000 mm N/A 0.8661 in22.000 mm N/A 0.0799 in2.030 mm
MS1207 N/A 1.3780 in35.000 mm N/A 0.5312 in13.492 mm N/A 0.0402 in1.020 mm
Unit of Measure
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