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

24780/24720D N/A 1.6250 in41.275 mm N/A 3.0000 in76.200 mm N/A N/A 0.0300 in0.800 mm N/A 18100 lbf80500 N80.50 kN N/A 14600 lbf65000 N65.00 kN
25572/25520 N/A 1.5000 in38.100 mm N/A 3.2650 in82.931 mm N/A 0.9360 in23.775 mm N/A 0.0300 in0.800 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25577/25520 N/A 1.6880 in42.875 mm N/A 3.2650 in82.931 mm N/A 0.9375 in23.812 mm N/A 0.0300 in0.800 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25577/25521 N/A 1.6880 in42.875 mm N/A 3.2700 in83.058 mm N/A 0.9375 in23.813 mm N/A 0.1300 in3.300 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25577/25523 N/A 1.6880 in42.875 mm N/A 3.2650 in82.931 mm N/A 1.0625 in26.988 mm N/A 0.0900 in2.300 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25578/25520 N/A 1.6875 in42.862 mm N/A 3.2650 in82.931 mm N/A 0.9375 in23.812 mm N/A 0.0300 in0.800 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
2558/2523 N/A 1.1875 in30.162 mm N/A 2.7500 in69.850 mm N/A 0.9375 in23.812 mm N/A 0.0500 in1.300 mm N/A 18300 lbf81500 N81.50 kN N/A 15500 lbf69000 N69.00 kN
25580/25520 N/A 1.7500 in44.450 mm N/A 3.2650 in82.931 mm N/A 0.9375 in23.812 mm N/A 0.0300 in0.800 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25580/25522 N/A 1.7500 in44.450 mm N/A 3.2700 in83.058 mm N/A 0.9400 in23.876 mm N/A 0.0800 in2.000 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25580/25523 N/A 1.7500 in44.450 mm N/A 3.2650 in82.931 mm N/A 1.0625 in26.988 mm N/A 0.0900 in2.300 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25582/25520 N/A 1.7500 in44.450 mm N/A 3.2650 in82.931 mm N/A 0.9375 in23.812 mm N/A 0.0300 in0.800 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25584/25520 N/A 1.7710 in44.983 mm N/A 3.2650 in82.931 mm N/A 0.9375 in23.812 mm N/A 0.0300 in0.800 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25590/25519 N/A 1.7960 in45.618 mm N/A 3.2500 in82.550 mm N/A 0.9375 in23.812 mm N/A 0.0800 in2.000 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25590/25520 N/A 1.7960 in45.618 mm N/A 3.2650 in82.931 mm N/A 0.9375 in23.812 mm N/A 0.0300 in0.800 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25590/25522 N/A 1.7960 in45.618 mm N/A 3.2700 in83.058 mm N/A 0.9400 in23.876 mm N/A 0.0800 in2.000 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25590/25523 N/A 1.7960 in45.618 mm N/A 3.2650 in82.931 mm N/A 1.0625 in26.988 mm N/A 0.0900 in2.300 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25590/25526 N/A 1.7960 in45.618 mm N/A 3.3465 in85.001 mm N/A 0.9375 in23.812 mm N/A 0.0900 in2.300 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25592/25520 N/A 1.8125 in46.038 mm N/A 3.2650 in82.931 mm N/A 0.9375 in23.812 mm N/A 0.0300 in0.800 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
2578/2523 N/A 1.1250 in28.575 mm N/A 2.7500 in69.850 mm N/A 0.9375 in23.812 mm N/A 0.0500 in1.300 mm N/A 18300 lbf81500 N81.50 kN N/A 15500 lbf69000 N69.00 kN
2580/2520 N/A 1.2500 in31.750 mm N/A 2.6150 in66.421 mm N/A 1.0000 in25.400 mm N/A 0.1300 in3.300 mm N/A 18300 lbf81500 N81.50 kN N/A 15500 lbf69000 N69.00 kN
2580/2523 N/A 1.2500 in31.750 mm N/A 2.7500 in69.850 mm N/A 0.9375 in23.812 mm N/A 0.0500 in1.300 mm N/A 18300 lbf81500 N81.50 kN N/A 15500 lbf69000 N69.00 kN
2582/2523 N/A 1.2500 in31.750 mm N/A 2.7500 in69.850 mm N/A 0.9375 in23.812 mm N/A 0.0500 in1.300 mm N/A 18300 lbf81500 N81.50 kN N/A 15500 lbf69000 N69.00 kN
2585/2523 N/A 1.3125 in33.338 mm N/A 2.7500 in69.850 mm N/A 0.9375 in23.812 mm N/A 0.0500 in1.300 mm N/A 18300 lbf81500 N81.50 kN N/A 15500 lbf69000 N69.00 kN
25877/25820 N/A 1.3750 in34.925 mm N/A 2.8750 in73.025 mm N/A 0.9375 in23.812 mm N/A 0.0900 in2.300 mm N/A 19100 lbf85000 N85.00 kN N/A 16000 lbf71000 N71.00 kN
25877/25821 N/A 1.3750 in34.925 mm N/A 2.8750 in73.025 mm N/A 0.9375 in23.812 mm N/A 0.0300 in0.800 mm N/A 19100 lbf85000 N85.00 kN N/A 16000 lbf71000 N71.00 kN
Unit of Measure
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