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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    The rollers in the NN type bearing are guided by the ribs of the inner ring.
Double Row Cylindrical Roller Bearings
Double Row Cylindrical Roller Bearings - Dimensions
Unit of Measure
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Item #

d

D

B

r

Static Load Rating

Dynamic Load Rating

NNU4928 N/A 5.5118 in140.000 mm N/A 7.4803 in190.000 mm N/A 1.9685 in50.000 mm N/A 0.0591 in1.500 mm N/A 106000 lbf470000 N470.00 kN N/A 51000 lbf227000 N227.00 kN
NNU4928K N/A 5.5118 in140.000 mm N/A 7.4803 in190.000 mm N/A 1.9685 in50.000 mm N/A 0.0591 in1.500 mm N/A 106000 lbf470000 N470.00 kN N/A 51000 lbf227000 N227.00 kN
NNU4930 N/A 5.9055 in150.000 mm N/A 8.2677 in210.000 mm N/A 2.3622 in60.000 mm N/A 0.0787 in2.000 mm N/A 155000 lbf690000 N690.00 kN N/A 77500 lbf345000 N345.00 kN
NNU4930K N/A 5.9055 in150.000 mm N/A 8.2677 in210.000 mm N/A 2.3622 in60.000 mm N/A 0.0787 in2.000 mm N/A 155000 lbf690000 N690.00 kN N/A 77500 lbf345000 N345.00 kN
NNU4932 N/A 6.2992 in160.000 mm N/A 8.6614 in220.000 mm N/A 2.3622 in60.000 mm N/A 0.0787 in2.000 mm N/A 166000 lbf740000 N740.00 kN N/A 80000 lbf355000 N355.00 kN
NNU4932K N/A 6.2992 in160.000 mm N/A 8.6614 in220.000 mm N/A 2.3622 in60.000 mm N/A 0.0787 in2.000 mm N/A 166000 lbf740000 N740.00 kN N/A 80000 lbf355000 N355.00 kN
NNU4932KC1NAP4 N/A 6.2992 in160.000 mm N/A 8.6614 in220.000 mm N/A 2.3622 in60.000 mm N/A 0.0787 in2.000 mm N/A 166000 lbf740000 N740.00 kN N/A 80000 lbf355000 N355.00 kN
NNU4934 N/A 6.6929 in170.000 mm N/A 9.0551 in230.000 mm N/A 2.3622 in60.000 mm N/A 0.0787 in2.000 mm N/A 172000 lbf765000 N765.00 kN N/A 81000 lbf360000 N360.00 kN
NNU4934K N/A 6.6929 in170.000 mm N/A 9.0551 in230.000 mm N/A 2.3622 in60.000 mm N/A 0.0787 in2.000 mm N/A 172000 lbf765000 N765.00 kN N/A 81000 lbf360000 N360.00 kN
NNU4936 N/A 7.0866 in180.000 mm N/A 9.8425 in250.000 mm N/A 2.7165 in69.000 mm N/A 0.0787 in2.000 mm N/A 217000 lbf965000 N965.00 kN N/A 103000 lbf460000 N460.00 kN
NNU4936K N/A 7.0866 in180.000 mm N/A 9.8425 in250.000 mm N/A 2.7165 in69.000 mm N/A 0.0787 in2.000 mm N/A 217000 lbf965000 N965.00 kN N/A 103000 lbf460000 N460.00 kN
NNU4938 N/A 7.4803 in190.000 mm N/A 10.2362 in260.000 mm N/A 2.7165 in69.000 mm N/A 0.0787 in2.000 mm N/A 232000 lbf1030000 N1030.00 kN N/A 107000 lbf475000 N475.00 kN
NNU4938K N/A 7.4803 in190.000 mm N/A 10.2362 in260.000 mm N/A 2.7165 in69.000 mm N/A 0.0787 in2.000 mm N/A 232000 lbf1030000 N1030.00 kN N/A 107000 lbf475000 N475.00 kN
NNU4938W33NAP5 N/A 7.4803 in190.000 mm N/A 10.2362 in260.000 mm N/A 2.7165 in69.000 mm N/A 0.0787 in2.000 mm N/A 232000 lbf1030000 N1030.00 kN N/A 107000 lbf475000 N475.00 kN
NNU4940 N/A 7.8740 in200.000 mm N/A 11.0236 in280.000 mm N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm N/A 265000 lbf1180000 N1180.00 kN N/A 125000 lbf555000 N555.00 kN
NNU4940K N/A 7.8740 in200.000 mm N/A 11.0236 in280.000 mm N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm N/A 265000 lbf1180000 N1180.00 kN N/A 125000 lbf555000 N555.00 kN
NNU4944 N/A 8.6614 in220.000 mm N/A 11.8110 in300.000 mm N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm N/A 292000 lbf1300000 N1300.00 kN N/A 132000 lbf585000 N585.00 kN
NNU4944C3 N/A 8.6614 in220.000 mm N/A 11.8110 in300.000 mm N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm N/A 292000 lbf1300000 N1300.00 kN N/A 132000 lbf585000 N585.00 kN
NNU4944K N/A 8.6614 in220.000 mm N/A 11.8110 in300.000 mm N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm N/A 292000 lbf1300000 N1300.00 kN N/A 132000 lbf585000 N585.00 kN
NNU4948 N/A 9.4488 in240.000 mm N/A 12.5984 in320.000 mm N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm N/A 315000 lbf1410000 N1410.00 kN N/A 137000 lbf610000 N610.00 kN
NNU4948K N/A 9.4488 in240.000 mm N/A 12.5984 in320.000 mm N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm N/A 315000 lbf1410000 N1410.00 kN N/A 137000 lbf610000 N610.00 kN
NNU4952 N/A 10.2362 in260.000 mm N/A 14.1732 in360.000 mm N/A 3.9370 in100.000 mm N/A 0.0827 in2.100 mm N/A 465000 lbf2070000 N2070.00 kN N/A 202000 lbf900000 N900.00 kN
NNU4952K N/A 10.2362 in260.000 mm N/A 14.1732 in360.000 mm N/A 3.9370 in100.000 mm N/A 0.0827 in2.100 mm N/A 465000 lbf2070000 N2070.00 kN N/A 202000 lbf900000 N900.00 kN
NNU4952KC1NAP5 N/A 10.2362 in260.000 mm N/A 14.1732 in360.000 mm N/A 3.9370 in100.000 mm N/A 0.0827 in2.100 mm N/A 465000 lbf2070000 N2070.00 kN N/A 202000 lbf900000 N900.00 kN
NNU4952KD1C1NAP5 N/A 10.2362 in260.000 mm N/A 14.1732 in360.000 mm N/A 3.9370 in100.000 mm N/A 0.0827 in2.100 mm N/A 465000 lbf2070000 N2070.00 kN N/A 202000 lbf900000 N900.00 kN
Unit of Measure
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