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
« 36 37 38 39 40 

Item #

B

Wi

R

Static Load Rating

Dynamic Load Rating

HM212044 N/A 2.3750 in60.325 mm N/A 1.5100 in38.354 mm N/A 0.3100 in7.900 mm N/A 62500 lbf279000 N279.00 kN N/A 46500 lbf206000 N206.00 kN
HM212046 N/A 2.5000 in63.500 mm N/A 1.5100 in38.354 mm N/A 0.1400 in3.600 mm N/A 62500 lbf279000 N279.00 kN N/A 46500 lbf206000 N206.00 kN
HM212047 N/A 2.5000 in63.500 mm N/A 1.5100 in38.354 mm N/A 0.2800 in7.100 mm N/A 62500 lbf279000 N279.00 kN N/A 46500 lbf206000 N206.00 kN
HM212049 N/A 2.6250 in66.675 mm N/A 1.5100 in38.354 mm N/A 0.1400 in3.600 mm N/A 62500 lbf279000 N279.00 kN N/A 46500 lbf206000 N206.00 kN
HM212049A N/A 2.6250 in66.675 mm N/A 1.5100 in38.354 mm N/A 0.2200 in5.600 mm N/A 62500 lbf279000 N279.00 kN N/A 46500 lbf206000 N206.00 kN
HM212049X N/A 2.6250 in66.675 mm N/A 1.5100 in38.354 mm N/A 0.2800 in7.100 mm N/A 62500 lbf279000 N279.00 kN N/A 46500 lbf206000 N206.00 kN
HM215249 N/A 2.9916 in75.987 mm N/A 1.5354 in38.999 mm N/A 0.2800 in7.100 mm N/A N/A
HM218238 N/A 3.1486 in79.974 mm N/A 1.5748 in40.000 mm N/A 0.2800 in7.100 mm N/A 87500 lbf390000 N390.00 kN N/A 56000 lbf250000 N250.00 kN
HM218248 N/A 3.5423 in89.974 mm N/A 1.5748 in40.000 mm N/A 0.2800 in7.100 mm N/A 87500 lbf390000 N390.00 kN N/A 56000 lbf250000 N250.00 kN
HM220145 N/A 3.9360 in99.974 mm N/A 2.0669 in52.499 mm N/A 0.3100 in7.900 mm N/A 99000 lbf440000 N440.00 kN N/A 62000 lbf276000 N276.00 kN
HM220149 N/A 3.9360 in99.974 mm N/A 1.6535 in41.999 mm N/A 0.3100 in7.900 mm N/A 99000 lbf440000 N440.00 kN N/A 62000 lbf276000 N276.00 kN
HM231132 N/A 5.5000 in139.700 mm N/A 2.2300 in56.642 mm N/A 0.1400 in3.600 mm N/A N/A
HM231140 N/A 5.7500 in146.050 mm N/A 2.2300 in56.642 mm N/A 0.1400 in3.600 mm N/A 207000 lbf920000 N920.00 kN N/A 121000 lbf540000 N540.00 kN
HM231148 N/A 5.8750 in149.225 mm N/A 2.2300 in56.642 mm N/A 0.2500 in6.400 mm N/A 207000 lbf920000 N920.00 kN N/A 121000 lbf540000 N540.00 kN
HM231149 N/A 5.8750 in149.225 mm N/A 2.2300 in56.642 mm N/A 0.1400 in3.600 mm N/A 207000 lbf920000 N920.00 kN N/A 121000 lbf540000 N540.00 kN
HM237523 N/A 6.3120 in160.325 mm N/A 2.5000 in63.500 mm N/A 0.2800 in7.100 mm N/A 272000 lbf1210000 N1210.00 kN N/A 165000 lbf735000 N735.00 kN
HM237535 N/A 6.5000 in165.100 mm N/A 2.5000 in63.500 mm N/A 0.2800 in7.100 mm N/A 227000 lbf1010000 N1010.00 kN N/A 165000 lbf735000 N735.00 kN
HM237542 N/A 6.8750 in174.625 mm N/A 2.5000 in63.500 mm N/A 0.2800 in7.100 mm N/A 272000 lbf1210000 N1210.00 kN N/A 165000 lbf735000 N735.00 kN
HM237545 N/A 7.0000 in177.800 mm N/A 2.5000 in63.500 mm N/A 0.2800 in7.100 mm N/A 227000 lbf1010000 N1010.00 kN N/A 165000 lbf735000 N735.00 kN
HM252343 N/A 10.0000 in254.000 mm N/A 3.1406 in79.771 mm N/A 0.2700 in6.900 mm N/A N/A
HM252348X N/A 10.2500 in260.350 mm N/A 3.1406 in79.771 mm N/A 0.2700 in6.900 mm N/A 435000 lbf1930000 N1930.00 kN N/A 274000 lbf1220000 N1220.00 kN
HM252349 N/A 10.2500 in260.350 mm N/A 3.1406 in79.771 mm N/A 0.2700 in6.900 mm N/A N/A
HM256849 N/A 11.8125 in300.038 mm N/A 3.2500 in82.550 mm N/A 0.2500 in6.400 mm N/A 540000 lbf2400000 N2400.00 kN N/A 254000 lbf1130000 N1130.00 kN
HM256849D N/A 11.8125 in300.038 mm N/A 5.9375 in150.813 mm N/A 0.1300 in3.300 mm N/A N/A
HM259048 N/A 12.5000 in317.500 mm N/A 3.3750 in85.725 mm N/A 0.1400 in3.600 mm N/A 605000 lbf2680000 N2680.00 kN N/A 283000 lbf1260000 N1260.00 kN
Unit of Measure
« 36 37 38 39 40