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

NNU4956 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
NNU4956K 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
NNU4960 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
NNU4960K 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
NNU4964 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
NNU4964K 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
NNU4968 N/A 13.3858 in340.000 mm N/A 18.1102 in460.000 mm N/A 4.6457 in118.000 mm N/A 0.1181 in3.000 mm N/A 710000 lbf3150000 N3150.00 kN N/A 286000 lbf1270000 N1270.00 kN
NNU4968K N/A 13.3858 in340.000 mm N/A 18.1102 in460.000 mm N/A 4.6457 in118.000 mm N/A 0.1181 in3.000 mm N/A 710000 lbf3150000 N3150.00 kN N/A 286000 lbf1270000 N1270.00 kN
NNU4972 N/A 14.1732 in360.000 mm N/A 18.8976 in480.000 mm N/A 4.6457 in118.000 mm N/A 0.1181 in3.000 mm N/A 730000 lbf3250000 N3250.00 kN N/A 286000 lbf1270000 N1270.00 kN
NNU4972K N/A 14.1732 in360.000 mm N/A 18.8976 in480.000 mm N/A 4.6457 in118.000 mm N/A 0.1181 in3.000 mm N/A 730000 lbf3250000 N3250.00 kN N/A 286000 lbf1270000 N1270.00 kN
NNU4976 N/A 14.9606 in380.000 mm N/A 20.4724 in520.000 mm N/A 5.5118 in140.000 mm N/A 0.1575 in4.000 mm N/A 910000 lbf4050000 N4050.00 kN N/A 365000 lbf1630000 N1630.00 kN
NNU4976K N/A 14.9606 in380.000 mm N/A 20.4724 in520.000 mm N/A 5.5118 in140.000 mm N/A 0.1575 in4.000 mm N/A 910000 lbf4050000 N4050.00 kN N/A 365000 lbf1630000 N1630.00 kN
NNU4980 N/A 15.7480 in400.000 mm N/A 21.2598 in540.000 mm N/A 5.5118 in140.000 mm N/A 0.1575 in4.000 mm N/A 965000 lbf4300000 N4300.00 kN N/A 380000 lbf1690000 N1690.00 kN
NNU4980K N/A 15.7480 in400.000 mm N/A 21.2598 in540.000 mm N/A 5.5118 in140.000 mm N/A 0.1575 in4.000 mm N/A 965000 lbf4300000 N4300.00 kN N/A 380000 lbf1690000 N1690.00 kN
NNU4984 N/A 16.5354 in420.000 mm N/A 22.0472 in560.000 mm N/A 5.5118 in140.000 mm N/A 0.1575 in4.000 mm N/A 1010000 lbf4500000 N4500.00 kN N/A 390000 lbf1740000 N1740.00 kN
NNU4984K N/A 16.5354 in420.000 mm N/A 22.0472 in560.000 mm N/A 5.5118 in140.000 mm N/A 0.1575 in4.000 mm N/A 1010000 lbf4500000 N4500.00 kN N/A 390000 lbf1740000 N1740.00 kN
NNU4988 N/A 17.3228 in440.000 mm N/A 23.6220 in600.000 mm N/A 6.2992 in160.000 mm N/A 0.1575 in4.000 mm N/A 1250000 lbf5550000 N5550.00 kN N/A 485000 lbf2150000 N2150.00 kN
NNU4988K N/A 17.3228 in440.000 mm N/A 23.6220 in600.000 mm N/A 6.2992 in160.000 mm N/A 0.1575 in4.000 mm N/A 1250000 lbf5550000 N5550.00 kN N/A 485000 lbf2150000 N2150.00 kN
NNU4992 N/A 18.1102 in460.000 mm N/A 24.4094 in620.000 mm N/A 6.2992 in160.000 mm N/A 0.1575 in4.000 mm N/A 1320000 lbf5850000 N5850.00 kN N/A 500000 lbf2220000 N2220.00 kN
NNU4992K N/A 18.1102 in460.000 mm N/A 24.4094 in620.000 mm N/A 6.2992 in160.000 mm N/A 0.1575 in4.000 mm N/A 1320000 lbf5850000 N5850.00 kN N/A 500000 lbf2220000 N2220.00 kN
NNU4996 N/A 18.8976 in480.000 mm N/A 25.5906 in650.000 mm N/A 6.6929 in170.000 mm N/A 0.1969 in5.000 mm N/A 1330000 lbf5900000 N5900.00 kN N/A 515000 lbf2280000 N2280.00 kN
NNU4996K N/A 18.8976 in480.000 mm N/A 25.5906 in650.000 mm N/A 6.6929 in170.000 mm N/A 0.1969 in5.000 mm N/A 1330000 lbf5900000 N5900.00 kN N/A 515000 lbf2280000 N2280.00 kN
SL01-4910 N/A 1.9685 in50.000 mm N/A 2.8346 in72.000 mm N/A 0.8661 in22.000 mm N/A 0.0236 in0.600 mm N/A 18700 lbf83000 N83.00 kN N/A 11100 lbf49500 N49.50 kN
SL01-4910ZZD1 N/A 1.9685 in50.000 mm N/A 2.8346 in72.000 mm N/A 0.8661 in22.000 mm N/A 0.0236 in0.600 mm N/A 18700 lbf83000 N83.00 kN N/A 11100 lbf49500 N49.50 kN
SL01-4912 N/A 2.3622 in60.000 mm N/A 3.3465 in85.000 mm N/A 0.9843 in25.000 mm N/A 0.0394 in1.000 mm N/A 30500 lbf136000 N136.00 kN N/A 16400 lbf73000 N73.00 kN
Unit of Measure
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