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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Machined-Ring Needle Roller Bearings w/ Inner Ring
Machined-Ring Needle Roller Bearings w/ Inner Ring - Dimensions
Unit of Measure
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Item #

d

D

C

B

r

Static Load Rating

Dynamic Load Rating

MR729640+MI-607240 N/A 3.7500 in95.250 mm N/A 6.0000 in152.400 mm N/A 2.5000 in63.500 mm N/A 2.5150 in63.880 mm N/A 0.0984 in2.500 mm N/A 58500 lbf260000 N260.00 kN N/A 58500 lbf260000 N260.00 kN
MR729640+MI-627240 N/A 3.8750 in98.425 mm N/A 6.0000 in152.400 mm N/A 2.5000 in63.500 mm N/A 2.5150 in63.880 mm N/A 0.0984 in2.500 mm N/A 58500 lbf260000 N260.00 kN N/A 58500 lbf260000 N260.00 kN
MR8010432+MI-648032 N/A 4.0000 in101.600 mm N/A 6.5000 in165.100 mm N/A 2.0000 in50.800 mm N/A 2.0098 in51.050 mm N/A 0.0984 in2.500 mm N/A 51000 lbf227000 N227.00 kN N/A 51000 lbf227000 N227.00 kN
MR8010436+MI-648036 N/A 4.0000 in101.600 mm N/A 6.5000 in165.100 mm N/A 2.2500 in57.150 mm N/A 2.2598 in57.400 mm N/A 0.0984 in2.500 mm N/A 56000 lbf250000 N250.00 kN N/A 56000 lbf250000 N250.00 kN
MR8010436+MI-688036 N/A 4.2500 in107.950 mm N/A 6.5000 in165.100 mm N/A 2.2500 in57.150 mm N/A 2.2598 in57.400 mm N/A 0.0984 in2.500 mm N/A 56000 lbf250000 N250.00 kN N/A 56000 lbf250000 N250.00 kN
MR8010440+MI-648040 N/A 4.0000 in101.600 mm N/A 6.5000 in165.100 mm N/A 2.2500 in57.150 mm N/A 2.5150 in63.880 mm N/A 0.0984 in2.500 mm N/A 61500 lbf273000 N273.00 kN N/A 61500 lbf273000 N273.00 kN
MR8811240+MI-728840 N/A 4.5000 in114.300 mm N/A 7.0000 in177.800 mm N/A 2.5000 in63.500 mm N/A 2.5150 in63.880 mm N/A 0.0984 in2.500 mm N/A 64000 lbf285000 N285.00 kN N/A 64000 lbf285000 N285.00 kN
MR8811248+MI-728848 N/A 4.5000 in114.300 mm N/A 7.0000 in177.800 mm N/A 3.0000 in76.200 mm N/A 3.0150 in76.580 mm N/A 0.0984 in2.500 mm N/A 77500 lbf345000 N345.00 kN N/A 77500 lbf345000 N345.00 kN
MR9211648+MI-769248 N/A 4.7500 in120.650 mm N/A 7.2500 in184.150 mm N/A 3.0000 in76.200 mm N/A 3.2500 in82.550 mm N/A 0.1181 in3.000 mm N/A 81000 lbf360000 N360.00 kN N/A 81000 lbf360000 N360.00 kN
MR9612040+MI-809640 N/A 5.0000 in127.000 mm N/A 7.5000 in190.500 mm N/A 2.5000 in63.500 mm N/A 2.5150 in63.880 mm N/A 0.1181 in3.000 mm N/A 69500 lbf310000 N310.00 kN N/A 69500 lbf310000 N310.00 kN
MR9612048+MI-809648 N/A 5.0000 in127.000 mm N/A 7.5000 in190.500 mm N/A 3.0000 in76.200 mm N/A 3.0150 in76.580 mm N/A 0.1181 in3.000 mm N/A 84500 lbf375000 N375.00 kN N/A 84500 lbf375000 N375.00 kN
NA4822 N/A 4.3307 in110.000 mm N/A 5.5118 in140.000 mm N/A N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 47000 lbf210000 N210.00 kN N/A 21000 lbf93500 N93.50 kN
NA4824 N/A 4.7244 in120.000 mm N/A 5.9055 in150.000 mm N/A N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 52500 lbf233000 N233.00 kN N/A 22400 lbf99500 N99.50 kN
NA4826 N/A 5.1181 in130.000 mm N/A 6.4961 in165.000 mm N/A N/A 1.3780 in35.000 mm N/A 0.0433 in1.100 mm N/A 68500 lbf305000 N305.00 kN N/A 26500 lbf118000 N118.00 kN
NA4828 N/A 5.5118 in140.000 mm N/A 6.8898 in175.000 mm N/A N/A 1.3780 in35.000 mm N/A 0.0433 in1.100 mm N/A 71000 lbf315000 N315.00 kN N/A 27200 lbf121000 N121.00 kN
NA4830 N/A 5.9055 in150.000 mm N/A 7.4803 in190.000 mm N/A N/A 1.5748 in40.000 mm N/A 0.0433 in1.100 mm N/A 87500 lbf390000 N390.00 kN N/A 34000 lbf152000 N152.00 kN
NA4832 N/A 6.2992 in160.000 mm N/A 7.8740 in200.000 mm N/A N/A 1.5748 in40.000 mm N/A 0.0433 in1.100 mm N/A 95500 lbf425000 N425.00 kN N/A 36000 lbf160000 N160.00 kN
NA4832C3 N/A 6.2992 in160.000 mm N/A 7.8740 in200.000 mm N/A N/A 1.5748 in40.000 mm N/A 0.0433 in1.100 mm N/A 95500 lbf425000 N425.00 kN N/A 36000 lbf160000 N160.00 kN
NA4834 N/A 6.6929 in170.000 mm N/A 8.4646 in215.000 mm N/A N/A 1.7717 in45.000 mm N/A 0.0433 in1.100 mm N/A 111000 lbf495000 N495.00 kN N/A 41500 lbf185000 N185.00 kN
NA4836 N/A 7.0866 in180.000 mm N/A 8.8583 in225.000 mm N/A N/A 1.7717 in45.000 mm N/A 0.0433 in1.100 mm N/A 121000 lbf540000 N540.00 kN N/A 44000 lbf195000 N195.00 kN
NA4838 N/A 7.4803 in190.000 mm N/A 9.4488 in240.000 mm N/A N/A 1.9685 in50.000 mm N/A 0.0591 in1.500 mm N/A 153000 lbf680000 N680.00 kN N/A 51000 lbf227000 N227.00 kN
NA4840 N/A 7.8740 in200.000 mm N/A 9.8425 in250.000 mm N/A N/A 1.9685 in50.000 mm N/A 0.0591 in1.500 mm N/A 158000 lbf705000 N705.00 kN N/A 52000 lbf231000 N231.00 kN
NA4844 N/A 8.6614 in220.000 mm N/A 10.6299 in270.000 mm N/A N/A 1.9685 in50.000 mm N/A 0.0591 in1.500 mm N/A 175000 lbf780000 N780.00 kN N/A 55000 lbf244000 N244.00 kN
NA4848 N/A 9.4488 in240.000 mm N/A 11.8110 in300.000 mm N/A N/A 2.3622 in60.000 mm N/A 0.0787 in2.000 mm N/A 243000 lbf1080000 N1080.00 kN N/A 81000 lbf360000 N360.00 kN
NA4852 N/A 10.2362 in260.000 mm N/A 12.5984 in320.000 mm N/A N/A 2.3622 in60.000 mm N/A 0.0787 in2.000 mm N/A 261000 lbf1160000 N1160.00 kN N/A 84500 lbf375000 N375.00 kN
Unit of Measure
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