ISO Series Single Row Cylindrical Roller Bearings On NTN Bearing Corp. 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

Item #	d	D	B	r	Static Load Rating	Dynamic Load Rating
NH238E	N/A 7.4803 in190.000 mm	N/A 13.3858 in340.000 mm	N/A 2.1654 in55.000 mm	N/A 0.1575 in4.000 mm	N/A 128000 lbf955000 N570.00 kN	N/A 96500 lbf695000 N430.00 kN
NH240	N/A 7.8740 in200.000 mm	N/A 14.1732 in360.000 mm	N/A 2.2835 in58.000 mm	N/A 0.1575 in4.000 mm	N/A 128000 lbf865000 N570.00 kN	N/A 96500 lbf620000 N430.00 kN
NH240E	N/A 7.8740 in200.000 mm	N/A 14.1732 in360.000 mm	N/A 2.2835 in58.000 mm	N/A 0.1575 in4.000 mm	N/A 128000 lbf1060000 N570.00 kN	N/A 96500 lbf765000 N430.00 kN
NH244	N/A 8.6614 in220.000 mm	N/A 15.7480 in400.000 mm	N/A 2.5591 in65.000 mm	N/A 0.1575 in4.000 mm	N/A 128000 lbf1080000 N570.00 kN	N/A 96500 lbf760000 N430.00 kN
NH248	N/A 9.4488 in240.000 mm	N/A 17.3228 in440.000 mm	N/A 2.8346 in72.000 mm	N/A 0.1575 in4.000 mm	N/A 128000 lbf1340000 N570.00 kN	N/A 96500 lbf935000 N430.00 kN
NH252	N/A 10.2362 in260.000 mm	N/A 18.8976 in480.000 mm	N/A 3.1496 in80.000 mm	N/A 0.1969 in5.000 mm	N/A 128000 lbf1660000 N570.00 kN	N/A 96500 lbf1150000 N430.00 kN
NH256	N/A 11.0236 in280.000 mm	N/A 19.6850 in500.000 mm	N/A 3.1496 in80.000 mm	N/A 0.1969 in5.000 mm	N/A 128000 lbf1760000 N570.00 kN	N/A 96500 lbf1190000 N430.00 kN
NH260	N/A 11.8110 in300.000 mm	N/A 21.2598 in540.000 mm	N/A 3.3465 in85.000 mm	N/A 0.1969 in5.000 mm	N/A 128000 lbf2070000 N570.00 kN	N/A 96500 lbf1400000 N430.00 kN
NH264	N/A 12.5984 in320.000 mm	N/A 22.8346 in580.000 mm	N/A 3.6220 in92.000 mm	N/A 0.1969 in5.000 mm	N/A 128000 lbf2390000 N570.00 kN	N/A 96500 lbf1600000 N430.00 kN
NH304	N/A 0.7874 in20.000 mm	N/A 2.0472 in52.000 mm	N/A 0.5906 in15.000 mm	N/A 0.0433 in1.100 mm	N/A 6050 lbf26900 N26.90 kN	N/A 7100 lbf31500 N31.50 kN
NH304E	N/A 0.7874 in20.000 mm	N/A 2.0472 in52.000 mm	N/A 0.5906 in15.000 mm	N/A 0.0433 in1.100 mm	N/A 6050 lbf26900 N26.90 kN	N/A 7100 lbf31500 N31.50 kN
NH305	N/A 0.9843 in25.000 mm	N/A 2.4409 in62.000 mm	N/A 0.6693 in17.000 mm	N/A 0.0433 in1.100 mm	N/A 6250 lbf27700 N27.70 kN	N/A 7100 lbf31500 N31.50 kN
NH305E	N/A 0.9843 in25.000 mm	N/A 2.4409 in62.000 mm	N/A 0.6693 in17.000 mm	N/A 0.0394 in1.000 mm	N/A 128000 lbf37500 N570.00 kN	N/A 96500 lbf41500 N430.00 kN
NH306	N/A 1.1811 in30.000 mm	N/A 2.8346 in72.000 mm	N/A 0.7480 in19.000 mm	N/A 0.0433 in1.100 mm	N/A 7850 lbf35000 N35.00 kN	N/A 8650 lbf38500 N38.50 kN
NH306E	N/A 1.1811 in30.000 mm	N/A 2.8346 in72.000 mm	N/A 0.7480 in19.000 mm	N/A 0.0394 in1.000 mm	N/A 128000 lbf50000 N570.00 kN	N/A 96500 lbf53000 N430.00 kN
NH307	N/A 1.3780 in35.000 mm	N/A 3.1496 in80.000 mm	N/A 0.8268 in21.000 mm	N/A 0.0591 in1.500 mm	N/A 10600 lbf47000 N47.00 kN	N/A 11100 lbf49500 N49.50 kN
NH307E	N/A 1.3780 in35.000 mm	N/A 3.1496 in80.000 mm	N/A 0.8268 in21.000 mm	N/A 0.0591 in1.500 mm	N/A 128000 lbf71000 N570.00 kN	N/A 96500 lbf71000 N430.00 kN
NH308	N/A 1.5748 in40.000 mm	N/A 3.5433 in90.000 mm	N/A 0.9055 in23.000 mm	N/A 0.0591 in1.500 mm	N/A 12800 lbf57000 N57.00 kN	N/A 13200 lbf58500 N58.50 kN
NH308E	N/A 1.5748 in40.000 mm	N/A 3.5433 in90.000 mm	N/A 0.9055 in23.000 mm	N/A 0.0591 in1.500 mm	N/A 128000 lbf81500 N570.00 kN	N/A 96500 lbf83000 N430.00 kN
NH309	N/A 1.7717 in45.000 mm	N/A 3.9370 in100.000 mm	N/A 0.9843 in25.000 mm	N/A 0.0591 in1.500 mm	N/A 16000 lbf71000 N71.00 kN	N/A 16600 lbf74000 N74.00 kN
NH309E	N/A 1.7717 in45.000 mm	N/A 3.9370 in100.000 mm	N/A 0.9843 in25.000 mm	N/A 0.0591 in1.500 mm	N/A 128000 lbf98500 N570.00 kN	N/A 96500 lbf97500 N430.00 kN
NH310	N/A 1.9685 in50.000 mm	N/A 4.3307 in110.000 mm	N/A 1.0630 in27.000 mm	N/A 0.0787 in2.000 mm	N/A 19300 lbf86000 N86.00 kN	N/A 19600 lbf87000 N87.00 kN
NH310E	N/A 1.9685 in50.000 mm	N/A 4.3307 in110.000 mm	N/A 1.0630 in27.000 mm	N/A 0.0787 in2.000 mm	N/A 128000 lbf113000 N570.00 kN	N/A 96500 lbf110000 N430.00 kN
NH311	N/A 2.1654 in55.000 mm	N/A 4.7244 in120.000 mm	N/A 1.1417 in29.000 mm	N/A 0.0787 in2.000 mm	N/A 25000 lbf111000 N111.00 kN	N/A 25000 lbf111000 N111.00 kN
NH311E	N/A 2.1654 in55.000 mm	N/A 4.7244 in120.000 mm	N/A 1.1417 in29.000 mm	N/A 0.0787 in2.000 mm	N/A 128000 lbf143000 N570.00 kN	N/A 96500 lbf137000 N430.00 kN

Item #

d

D

B

r

Static Load Rating

Dynamic Load Rating

NH238E

N/A 7.4803 in190.000 mm

N/A 13.3858 in340.000 mm

N/A 2.1654 in55.000 mm

N/A 0.1575 in4.000 mm

N/A 128000 lbf955000 N570.00 kN

N/A 96500 lbf695000 N430.00 kN

NH240

N/A 7.8740 in200.000 mm

N/A 14.1732 in360.000 mm

N/A 2.2835 in58.000 mm

N/A 0.1575 in4.000 mm

N/A 128000 lbf865000 N570.00 kN

N/A 96500 lbf620000 N430.00 kN

NH240E

N/A 7.8740 in200.000 mm

N/A 14.1732 in360.000 mm

N/A 2.2835 in58.000 mm

N/A 0.1575 in4.000 mm

N/A 128000 lbf1060000 N570.00 kN

N/A 96500 lbf765000 N430.00 kN

NH244

N/A 8.6614 in220.000 mm

N/A 15.7480 in400.000 mm

N/A 2.5591 in65.000 mm

N/A 0.1575 in4.000 mm

N/A 128000 lbf1080000 N570.00 kN

N/A 96500 lbf760000 N430.00 kN

NH248

N/A 9.4488 in240.000 mm

N/A 17.3228 in440.000 mm

N/A 2.8346 in72.000 mm

N/A 0.1575 in4.000 mm

N/A 128000 lbf1340000 N570.00 kN

N/A 96500 lbf935000 N430.00 kN

NH252

N/A 10.2362 in260.000 mm

N/A 18.8976 in480.000 mm

N/A 3.1496 in80.000 mm

N/A 0.1969 in5.000 mm

N/A 128000 lbf1660000 N570.00 kN

N/A 96500 lbf1150000 N430.00 kN

NH256

N/A 11.0236 in280.000 mm

N/A 19.6850 in500.000 mm

N/A 3.1496 in80.000 mm

N/A 0.1969 in5.000 mm

N/A 128000 lbf1760000 N570.00 kN

N/A 96500 lbf1190000 N430.00 kN

NH260

N/A 11.8110 in300.000 mm

N/A 21.2598 in540.000 mm

N/A 3.3465 in85.000 mm

N/A 0.1969 in5.000 mm

N/A 128000 lbf2070000 N570.00 kN

N/A 96500 lbf1400000 N430.00 kN

NH264

N/A 12.5984 in320.000 mm

N/A 22.8346 in580.000 mm

N/A 3.6220 in92.000 mm

N/A 0.1969 in5.000 mm

N/A 128000 lbf2390000 N570.00 kN

N/A 96500 lbf1600000 N430.00 kN

NH304

N/A 0.7874 in20.000 mm

N/A 2.0472 in52.000 mm

N/A 0.5906 in15.000 mm

N/A 0.0433 in1.100 mm

N/A 6050 lbf26900 N26.90 kN

N/A 7100 lbf31500 N31.50 kN

NH304E

N/A 0.7874 in20.000 mm

N/A 2.0472 in52.000 mm

N/A 0.5906 in15.000 mm

N/A 0.0433 in1.100 mm

N/A 6050 lbf26900 N26.90 kN

N/A 7100 lbf31500 N31.50 kN

NH305

N/A 0.9843 in25.000 mm

N/A 2.4409 in62.000 mm

N/A 0.6693 in17.000 mm

N/A 0.0433 in1.100 mm

N/A 6250 lbf27700 N27.70 kN

N/A 7100 lbf31500 N31.50 kN

NH305E

N/A 0.9843 in25.000 mm

N/A 2.4409 in62.000 mm

N/A 0.6693 in17.000 mm

N/A 0.0394 in1.000 mm

N/A 128000 lbf37500 N570.00 kN

N/A 96500 lbf41500 N430.00 kN

NH306

N/A 1.1811 in30.000 mm

N/A 2.8346 in72.000 mm

N/A 0.7480 in19.000 mm

N/A 0.0433 in1.100 mm

N/A 7850 lbf35000 N35.00 kN

N/A 8650 lbf38500 N38.50 kN

NH306E

N/A 1.1811 in30.000 mm

N/A 2.8346 in72.000 mm

N/A 0.7480 in19.000 mm

N/A 0.0394 in1.000 mm

N/A 128000 lbf50000 N570.00 kN

N/A 96500 lbf53000 N430.00 kN

NH307

N/A 1.3780 in35.000 mm

N/A 3.1496 in80.000 mm

N/A 0.8268 in21.000 mm

N/A 0.0591 in1.500 mm

N/A 10600 lbf47000 N47.00 kN

N/A 11100 lbf49500 N49.50 kN

NH307E

N/A 1.3780 in35.000 mm

N/A 3.1496 in80.000 mm

N/A 0.8268 in21.000 mm

N/A 0.0591 in1.500 mm

N/A 128000 lbf71000 N570.00 kN

N/A 96500 lbf71000 N430.00 kN

NH308

N/A 1.5748 in40.000 mm

N/A 3.5433 in90.000 mm

N/A 0.9055 in23.000 mm

N/A 0.0591 in1.500 mm

N/A 12800 lbf57000 N57.00 kN

N/A 13200 lbf58500 N58.50 kN

NH308E

N/A 1.5748 in40.000 mm

N/A 3.5433 in90.000 mm

N/A 0.9055 in23.000 mm

N/A 0.0591 in1.500 mm

N/A 128000 lbf81500 N570.00 kN

N/A 96500 lbf83000 N430.00 kN

NH309

N/A 1.7717 in45.000 mm

N/A 3.9370 in100.000 mm

N/A 0.9843 in25.000 mm

N/A 0.0591 in1.500 mm

N/A 16000 lbf71000 N71.00 kN

N/A 16600 lbf74000 N74.00 kN

NH309E

N/A 1.7717 in45.000 mm

N/A 3.9370 in100.000 mm

N/A 0.9843 in25.000 mm

N/A 0.0591 in1.500 mm

N/A 128000 lbf98500 N570.00 kN

N/A 96500 lbf97500 N430.00 kN

NH310

N/A 1.9685 in50.000 mm

N/A 4.3307 in110.000 mm

N/A 1.0630 in27.000 mm

N/A 0.0787 in2.000 mm

N/A 19300 lbf86000 N86.00 kN

N/A 19600 lbf87000 N87.00 kN

NH310E

N/A 1.9685 in50.000 mm

N/A 4.3307 in110.000 mm

N/A 1.0630 in27.000 mm

N/A 0.0787 in2.000 mm

N/A 128000 lbf113000 N570.00 kN

N/A 96500 lbf110000 N430.00 kN

NH311

N/A 2.1654 in55.000 mm

N/A 4.7244 in120.000 mm

N/A 1.1417 in29.000 mm

N/A 0.0787 in2.000 mm

N/A 25000 lbf111000 N111.00 kN

NH311E

N/A 2.1654 in55.000 mm

N/A 4.7244 in120.000 mm

N/A 1.1417 in29.000 mm

N/A 0.0787 in2.000 mm

N/A 128000 lbf143000 N570.00 kN

N/A 96500 lbf137000 N430.00 kN