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

NN4948 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
NN4948HSKD1XC9NAP4 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
NN4948K 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
NN4952 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
NN4952K 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
NN4956 N/A 11.0236 in280.000 mm N/A 14.9606 in380.000 mm N/A 3.9370 in100.000 mm N/A 0.0827 in2.100 mm N/A 495000 lbf2200000 N2200.00 kN N/A 208000 lbf925000 N925.00 kN
NN4956K N/A 11.0236 in280.000 mm N/A 14.9606 in380.000 mm N/A 3.9370 in100.000 mm N/A 0.0827 in2.100 mm N/A 495000 lbf2200000 N2200.00 kN N/A 208000 lbf925000 N925.00 kN
NN4960 N/A 11.8110 in300.000 mm N/A 16.5354 in420.000 mm N/A 4.6457 in118.000 mm N/A 0.1181 in3.000 mm N/A 630000 lbf2800000 N2800.00 kN N/A 270000 lbf1200000 N1200.00 kN
NN4960K N/A 11.8110 in300.000 mm N/A 16.5354 in420.000 mm N/A 4.6457 in118.000 mm N/A 0.1181 in3.000 mm N/A 630000 lbf2800000 N2800.00 kN N/A 270000 lbf1200000 N1200.00 kN
NN4964 N/A 12.5984 in320.000 mm N/A 17.3228 in440.000 mm N/A 4.6457 in118.000 mm N/A 0.1181 in3.000 mm N/A 670000 lbf2970000 N2970.00 kN N/A 279000 lbf1240000 N1240.00 kN
NN4964K N/A 12.5984 in320.000 mm N/A 17.3228 in440.000 mm N/A 4.6457 in118.000 mm N/A 0.1181 in3.000 mm N/A 670000 lbf2970000 N2970.00 kN N/A 279000 lbf1240000 N1240.00 kN
NNU3026NAP5 N/A 5.1181 in130.000 mm N/A 7.8740 in200.000 mm N/A 2.0472 in52.000 mm N/A 0.0787 in2.000 mm N/A 107000 lbf475000 N475.00 kN N/A 64000 lbf284000 N284.00 kN
NNU49/500 N/A 19.6850 in500.000 mm N/A 26.3780 in670.000 mm N/A 6.6929 in170.000 mm N/A 0.1969 in5.000 mm N/A 1390000 lbf6200000 N6200.00 kN N/A 530000 lbf2360000 N2360.00 kN
NNU49/500K N/A 19.6850 in500.000 mm N/A 26.3780 in670.000 mm N/A 6.6929 in170.000 mm N/A 0.1969 in5.000 mm N/A 1390000 lbf6200000 N6200.00 kN N/A 530000 lbf2360000 N2360.00 kN
NNU4920 N/A 3.9370 in100.000 mm N/A 5.5118 in140.000 mm N/A 1.5748 in40.000 mm N/A 0.0433 in1.100 mm N/A 58500 lbf260000 N260.00 kN N/A 29500 lbf131000 N131.00 kN
NNU4920K N/A 3.9370 in100.000 mm N/A 5.5118 in140.000 mm N/A 1.5748 in40.000 mm N/A 0.0433 in1.100 mm N/A 58500 lbf260000 N260.00 kN N/A 29500 lbf131000 N131.00 kN
NNU4921 N/A 4.1339 in105.000 mm N/A 5.7087 in145.000 mm N/A 1.5748 in40.000 mm N/A 0.0433 in1.100 mm N/A 60500 lbf268000 N268.00 kN N/A 29900 lbf133000 N133.00 kN
NNU4921K N/A 4.1339 in105.000 mm N/A 5.7087 in145.000 mm N/A 1.5748 in40.000 mm N/A 0.0433 in1.100 mm N/A 60500 lbf268000 N268.00 kN N/A 29900 lbf133000 N133.00 kN
NNU4922 N/A 4.3307 in110.000 mm N/A 5.9055 in150.000 mm N/A 1.5748 in40.000 mm N/A 0.0433 in1.100 mm N/A 64000 lbf284000 N284.00 kN N/A 31000 lbf137000 N137.00 kN
NNU4922K N/A 4.3307 in110.000 mm N/A 5.9055 in150.000 mm N/A 1.5748 in40.000 mm N/A 0.0433 in1.100 mm N/A 64000 lbf284000 N284.00 kN N/A 31000 lbf137000 N137.00 kN
NNU4924 N/A 4.7244 in120.000 mm N/A 6.4961 in165.000 mm N/A 1.7717 in45.000 mm N/A 0.0433 in1.100 mm N/A 81000 lbf360000 N360.00 kN N/A 41000 lbf183000 N183.00 kN
NNU4924K N/A 4.7244 in120.000 mm N/A 6.4961 in165.000 mm N/A 1.7717 in45.000 mm N/A 0.0433 in1.100 mm N/A 81000 lbf360000 N360.00 kN N/A 41000 lbf183000 N183.00 kN
NNU4926 N/A 5.1181 in130.000 mm N/A 7.0866 in180.000 mm N/A 1.9685 in50.000 mm N/A 0.0591 in1.500 mm N/A 99000 lbf440000 N440.00 kN N/A 49500 lbf220000 N220.00 kN
NNU4926C1NAP4 N/A 5.1181 in130.000 mm N/A 7.0866 in180.000 mm N/A 1.9685 in50.000 mm N/A 0.0591 in1.500 mm N/A 99000 lbf440000 N440.00 kN N/A 49500 lbf220000 N220.00 kN
NNU4926K N/A 5.1181 in130.000 mm N/A 7.0866 in180.000 mm N/A 1.9685 in50.000 mm N/A 0.0591 in1.500 mm N/A 99000 lbf440000 N440.00 kN N/A 49500 lbf220000 N220.00 kN
Unit of Measure
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