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 - Metric Series
Tapered Roller Set - Metric Series - Dimensions
Unit of Measure
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Item #

d

D

T

r

Static Load Rating

Dynamic Load Rating

30238 N/A 7.4803 in190.000 mm N/A 13.3858 in340.000 mm N/A 2.3622 in60.000 mm N/A 0.1600 in4.000 mm N/A 225000 lbf1000000 N1000.00 kN N/A 161000 lbf715000 N715.00 kN
30240 N/A 7.8740 in200.000 mm N/A 14.1732 in360.000 mm N/A 2.5197 in64.000 mm N/A 0.1600 in4.000 mm N/A 250000 lbf1110000 N1110.00 kN N/A 176000 lbf785000 N785.00 kN
30260 N/A 11.8110 in300.000 mm N/A 21.2598 in540.000 mm N/A 3.7795 in96.000 mm N/A 0.2000 in5.000 mm N/A 500000 lbf2220000 N2220.00 kN N/A 320000 lbf1420000 N1420.00 kN
30302 N/A 0.5906 in15.000 mm N/A 1.6535 in42.000 mm N/A 0.5610 in14.250 mm N/A 0.0400 in1.000 mm N/A 4700 lbf20800 N20.80 kN N/A 5200 lbf23200 N23.20 kN
30303 N/A 0.6693 in17.000 mm N/A 1.8504 in47.000 mm N/A 0.6004 in15.250 mm N/A 0.0400 in1.000 mm N/A 5900 lbf26300 N26.30 kN N/A 6500 lbf28900 N28.90 kN
30304 N/A 0.7874 in20.000 mm N/A 2.0472 in52.000 mm N/A 0.6398 in16.250 mm N/A 0.0600 in1.500 mm N/A 7650 lbf34000 N34.00 kN N/A 8000 lbf35500 N35.50 kN
30304A N/A 0.7874 in20.000 mm N/A 2.0472 in52.000 mm N/A 0.6398 in16.250 mm N/A 0.0600 in1.500 mm N/A 7650 lbf34000 N34.00 kN N/A 8000 lbf35500 N35.50 kN
30304CA N/A 0.7874 in20.000 mm N/A 2.0472 in52.000 mm N/A 0.6398 in16.250 mm N/A 0.0600 in1.500 mm N/A 6950 lbf31000 N31.00 kN N/A 6950 lbf31000 N31.00 kN
30305 N/A 0.9843 in25.000 mm N/A 2.4409 in62.000 mm N/A 0.7185 in18.250 mm N/A 0.0600 in1.500 mm N/A 10700 lbf47500 N47.50 kN N/A 10900 lbf48500 N48.50 kN
30305A N/A 0.9843 in25.000 mm N/A 2.4409 in62.000 mm N/A 0.7185 in18.250 mm N/A 0.0600 in1.500 mm N/A 10000 lbf44500 N44.50 kN N/A 10700 lbf47500 N47.50 kN
30305C N/A 0.9843 in25.000 mm N/A 2.4409 in62.000 mm N/A 0.7185 in18.250 mm N/A 0.0600 in1.500 mm N/A 9350 lbf41500 N41.50 kN N/A 9350 lbf41500 N41.50 kN
30305D N/A 0.9843 in25.000 mm N/A 2.4409 in62.000 mm N/A 0.7185 in18.250 mm N/A 0.0600 in1.500 mm N/A 9800 lbf43500 N43.50 kN N/A 9100 lbf40500 N40.50 kN
30306 N/A 1.1811 in30.000 mm N/A 2.8346 in72.000 mm N/A 0.8169 in20.750 mm N/A 0.0600 in1.500 mm N/A 13700 lbf61000 N61.00 kN N/A 13500 lbf60000 N60.00 kN
30306CA N/A 1.1811 in30.000 mm N/A 2.8346 in72.000 mm N/A 0.8169 in20.750 mm N/A 0.0600 in1.500 mm N/A 13200 lbf58500 N58.50 kN N/A 13200 lbf58500 N58.50 kN
30306D N/A 1.1811 in30.000 mm N/A 2.8346 in72.000 mm N/A 0.8169 in20.750 mm N/A 0.0600 in1.500 mm N/A 11600 lbf51500 N51.50 kN N/A 10900 lbf48500 N48.50 kN
30307 N/A 1.3780 in35.000 mm N/A 3.1496 in80.000 mm N/A 0.8957 in22.750 mm N/A 0.0600 in1.500 mm N/A 17300 lbf77000 N77.00 kN N/A 16900 lbf75000 N75.00 kN
30307C N/A 1.3780 in35.000 mm N/A 3.1496 in80.000 mm N/A 0.8957 in22.750 mm N/A 0.0600 in1.500 mm N/A 15400 lbf68500 N68.50 kN N/A 15000 lbf66500 N66.50 kN
30307D N/A 1.3780 in35.000 mm N/A 3.1496 in80.000 mm N/A 0.8957 in22.750 mm N/A 0.0600 in1.500 mm N/A 15700 lbf70000 N70.00 kN N/A 14300 lbf63500 N63.50 kN
30308 N/A 1.5748 in40.000 mm N/A 3.5433 in90.000 mm N/A 0.9941 in25.250 mm N/A 0.0600 in1.500 mm N/A 22900 lbf102000 N102.00 kN N/A 20600 lbf91500 N91.50 kN
30308A N/A 1.5748 in40.000 mm N/A 3.5433 in90.000 mm N/A 0.9941 in25.250 mm N/A 0.0600 in1.500 mm N/A 21600 lbf96000 N96.00 kN N/A 20200 lbf90000 N90.00 kN
30308C N/A 1.5748 in40.000 mm N/A 3.5433 in90.000 mm N/A 0.9941 in25.250 mm N/A 0.0600 in1.500 mm N/A 19600 lbf87000 N87.00 kN N/A 18700 lbf83000 N83.00 kN
30308D N/A 1.5748 in40.000 mm N/A 3.5433 in90.000 mm N/A 0.9941 in25.250 mm N/A 0.0600 in1.500 mm N/A 19200 lbf85500 N85.50 kN N/A 17300 lbf77000 N77.00 kN
30309 N/A 1.7717 in45.000 mm N/A 3.9370 in100.000 mm N/A 1.0728 in27.250 mm N/A 0.0600 in1.500 mm N/A 28300 lbf126000 N126.00 kN N/A 25000 lbf111000 N111.00 kN
30309D N/A 1.7717 in45.000 mm N/A 3.9370 in100.000 mm N/A 1.0728 in27.250 mm N/A 0.0600 in1.500 mm N/A 24500 lbf109000 N109.00 kN N/A 21600 lbf96000 N96.00 kN
30309DDF N/A 1.7717 in45.000 mm N/A 3.9370 in100.000 mm N/A N/A 0.0600 in1.500 mm N/A 49000 lbf218000 N218.00 kN N/A 37000 lbf165000 N165.00 kN
Unit of Measure
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