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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Tapered Roller Set - Inch Series and J Series
Tapered Roller Set - Inch Series and J Series - Dimensions
Unit of Measure
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Item #

B

D

W

r

Static Load Rating

Dynamic Load Rating

387/382A N/A 2.2500 in57.150 mm N/A 3.8125 in96.838 mm N/A 0.8268 in21.000 mm N/A 0.0300 in0.800 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
387/382S N/A 2.2500 in57.150 mm N/A 3.8125 in96.838 mm N/A 1.0000 in25.400 mm N/A 0.0900 in2.300 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
387/383A N/A 2.2500 in57.150 mm N/A 3.9370 in100.000 mm N/A 0.8268 in21.000 mm N/A 0.0800 in2.000 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
3875/3820 N/A 1.5000 in38.100 mm N/A 3.3750 in85.725 mm N/A 1.1875 in30.162 mm N/A 0.1300 in3.300 mm N/A 29700 lbf132000 N132.00 kN N/A 23600 lbf105000 N105.00 kN
3876/3820 N/A 1.5000 in38.100 mm N/A 3.3750 in85.725 mm N/A 1.1875 in30.162 mm N/A 0.1300 in3.300 mm N/A 29700 lbf132000 N132.00 kN N/A 23600 lbf105000 N105.00 kN
3877/3820 N/A 1.6250 in41.275 mm N/A 3.3750 in85.725 mm N/A 1.1875 in30.162 mm N/A 0.1300 in3.300 mm N/A 29700 lbf132000 N132.00 kN N/A 23600 lbf105000 N105.00 kN
387A/382 N/A 2.2500 in57.150 mm N/A 3.8750 in98.425 mm N/A 0.8268 in21.000 mm N/A 0.0300 in0.800 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
387A/382A N/A 2.2500 in57.150 mm N/A 3.8125 in96.838 mm N/A 0.8268 in21.000 mm N/A 0.0300 in0.800 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
387A/382S N/A 2.2500 in57.150 mm N/A 3.8125 in96.838 mm N/A 1.0000 in25.400 mm N/A 0.0900 in2.300 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
387A/383A N/A 2.2500 in57.150 mm N/A 3.9370 in100.000 mm N/A 0.8268 in21.000 mm N/A 0.0800 in2.000 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
387AS/382 N/A 2.2500 in57.150 mm N/A 3.8750 in98.425 mm N/A 0.8268 in21.000 mm N/A 0.0300 in0.800 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
387AS/382A N/A 2.2500 in57.150 mm N/A 3.8125 in96.838 mm N/A 0.8268 in21.000 mm N/A 0.0300 in0.800 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
387AS/382S N/A 2.2500 in57.150 mm N/A 3.8125 in96.838 mm N/A 1.0000 in25.400 mm N/A 0.0900 in2.300 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
387AS/383A N/A 2.2500 in57.150 mm N/A 3.9370 in100.000 mm N/A 0.8268 in21.000 mm N/A 0.0800 in2.000 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
387S/382 N/A 2.2500 in57.150 mm N/A 3.8750 in98.425 mm N/A 0.8268 in21.000 mm N/A 0.0300 in0.800 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
387S/382A N/A 2.2500 in57.150 mm N/A 3.8125 in96.838 mm N/A 0.8268 in21.000 mm N/A 0.0300 in0.800 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
387S/382S N/A 2.2500 in57.150 mm N/A 3.8125 in96.838 mm N/A 1.0000 in25.400 mm N/A 0.0900 in2.300 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
387S/383A N/A 2.2500 in57.150 mm N/A 3.9370 in100.000 mm N/A 0.8268 in21.000 mm N/A 0.0800 in2.000 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
3880/3820 N/A 1.6250 in41.275 mm N/A 3.3750 in85.725 mm N/A 1.1875 in30.162 mm N/A 0.1300 in3.300 mm N/A 29700 lbf132000 N132.00 kN N/A 23600 lbf105000 N105.00 kN
38800/38820 N/A 10.3750 in263.525 mm N/A 12.8125 in325.438 mm N/A 1.1250 in28.575 mm N/A 0.0600 in1.500 mm N/A 128000 lbf570000 N570.00 kN N/A 51000 lbf226000 N226.00 kN
38885/38820 N/A 10.5000 in266.700 mm N/A 12.8125 in325.438 mm N/A 1.1250 in28.575 mm N/A 0.0600 in1.500 mm N/A 128000 lbf570000 N570.00 kN N/A 51000 lbf226000 N226.00 kN
388A/382 N/A 2.2650 in57.531 mm N/A 3.8750 in98.425 mm N/A 0.8268 in21.001 mm N/A 0.0300 in0.800 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
388A/382A N/A 2.2650 in57.531 mm N/A 3.8125 in96.838 mm N/A 0.8268 in21.000 mm N/A 0.0300 in0.800 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
388A/382S N/A 2.2650 in57.531 mm N/A 3.8125 in96.838 mm N/A 1.0000 in25.400 mm N/A 0.0900 in2.300 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
388A/383A N/A 2.2650 in57.531 mm N/A 3.9370 in100.000 mm N/A 0.8268 in21.000 mm N/A 0.0800 in2.000 mm N/A 23600 lbf105000 N105.00 kN N/A 18500 lbf82500 N82.50 kN
Unit of Measure
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