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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Cone for Tapered Roller Bearing - Inch Series and J Series
Cone for Tapered Roller Bearing - Inch Series and J Series - Dimensions
Unit of Measure
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Item #

B

Wi

R

Static Load Rating

Dynamic Load Rating

1975 N/A 0.8750 in22.225 mm N/A 0.7620 in19.355 mm N/A 0.0300 in0.800 mm N/A 10000 lbf44500 N44.50 kN N/A 9100 lbf40500 N40.50 kN
1985 N/A 1.1250 in28.575 mm N/A 0.7620 in19.355 mm N/A 0.0300 in0.800 mm N/A 10000 lbf44500 N44.50 kN N/A 9100 lbf40500 N40.50 kN
1986 N/A 1.0000 in25.400 mm N/A 0.7620 in19.355 mm N/A 0.0500 in1.300 mm N/A 10000 lbf44500 N44.50 kN N/A 9100 lbf40500 N40.50 kN
1988 N/A 1.1250 in28.575 mm N/A 0.7620 in19.355 mm N/A 0.1400 in3.600 mm N/A 10000 lbf44500 N44.50 kN N/A 9100 lbf40500 N40.50 kN
21075 N/A 0.7500 in19.050 mm N/A 0.8598 in21.839 mm N/A 0.0600 in1.500 mm N/A 8750 lbf39000 N39.00 kN N/A 9000 lbf40000 N40.00 kN
22780 N/A 1.6875 in42.863 mm N/A 1.0625 in26.988 mm N/A 0.1400 in3.600 mm N/A 21800 lbf97000 N97.00 kN N/A 17000 lbf75500 N75.50 kN
23100 N/A 1.0000 in25.400 mm N/A 0.8450 in21.463 mm N/A 0.0600 in1.500 mm N/A 11400 lbf50500 N50.50 kN N/A 10600 lbf47000 N47.00 kN
23491 N/A 1.2500 in31.750 mm N/A 1.0625 in26.988 mm N/A 0.0600 in1.500 mm N/A N/A
23691 N/A 1.3780 in35.001 mm N/A 1.0620 in26.975 mm N/A 0.1400 in3.600 mm N/A 20600 lbf91500 N91.50 kN N/A 17100 lbf76000 N76.00 kN
2474 N/A 1.1250 in28.575 mm N/A 0.9370 in23.812 mm N/A 0.0300 in0.800 mm N/A 14700 lbf65500 N65.50 kN N/A 12800 lbf57000 N57.00 kN
2475 N/A 1.2500 in31.750 mm N/A 0.9375 in23.813 mm N/A 0.1400 in3.600 mm N/A 14700 lbf65500 N65.50 kN N/A 12800 lbf57000 N57.00 kN
24780 N/A 1.6250 in41.275 mm N/A 0.9063 in23.020 mm N/A 0.1400 in3.600 mm N/A 18100 lbf80500 N80.50 kN N/A 14600 lbf65000 N65.00 kN
25572 N/A 1.5000 in38.100 mm N/A 1.0000 in25.400 mm N/A 0.0300 in0.800 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25577 N/A 1.6880 in42.875 mm N/A 1.0000 in25.400 mm N/A 0.1400 in3.600 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25578 N/A 1.6875 in42.863 mm N/A 1.0000 in25.400 mm N/A 0.0900 in2.300 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
2558 N/A 1.1875 in30.163 mm N/A 0.9983 in25.357 mm N/A 0.0900 in2.300 mm N/A 18300 lbf81500 N81.50 kN N/A 15500 lbf69000 N69.00 kN
25580 N/A 1.7500 in44.450 mm N/A 1.0000 in25.400 mm N/A 0.1400 in3.600 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25581 N/A 1.7500 in44.450 mm N/A 1.0000 in25.400 mm N/A 0.0200 in0.500 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25582 N/A 1.7500 in44.450 mm N/A 1.0000 in25.400 mm N/A 0.2000 in5.100 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25583 N/A 1.7500 in44.450 mm N/A 1.4125 in35.878 mm N/A 0.1500 in3.800 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25584 N/A 1.7710 in44.983 mm N/A 1.0000 in25.400 mm N/A 0.0600 in1.500 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25584A N/A 1.7712 in44.988 mm N/A 1.0000 in25.400 mm N/A 0.1400 in3.600 mm N/A N/A
25590 N/A 1.7960 in45.618 mm N/A 1.0000 in25.400 mm N/A 0.1400 in3.600 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
25592 N/A 1.8125 in46.038 mm N/A 1.0000 in25.400 mm N/A 0.1400 in3.600 mm N/A 22000 lbf98000 N98.00 kN N/A 17100 lbf76000 N76.00 kN
2578 N/A 1.1250 in28.575 mm N/A 0.9983 in25.357 mm N/A 0.0900 in2.300 mm N/A 18300 lbf81500 N81.50 kN N/A 15500 lbf69000 N69.00 kN
Unit of Measure
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