Machined-Ring Needle Roller Bearings w/ Inner Ring 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	C	B	r	Static Load Rating	Dynamic Load Rating
NA4972	N/A 14.1732 in360.000 mm	N/A 18.8976 in480.000 mm	N/A	N/A 4.6457 in118.000 mm	N/A 0.1181 in3.000 mm	N/A 720000 lbf3200000 N3200.00 kN	N/A 270000 lbf1200000 N1200.00 kN
NA4976	N/A 14.9606 in380.000 mm	N/A 20.4724 in520.000 mm	N/A	N/A 5.5118 in140.000 mm	N/A 0.1575 in4.000 mm	N/A 845000 lbf3750000 N3750.00 kN	N/A 315000 lbf1400000 N1400.00 kN
NA498	N/A 0.3150 in8.000 mm	N/A 0.7480 in19.000 mm	N/A	N/A 0.4331 in11.000 mm	N/A 0.0059 in0.150 mm	N/A 890 lbf3950 N3.95 kN	N/A 965 lbf4300 N4.30 kN
NA4980	N/A 15.7480 in400.000 mm	N/A 21.2598 in540.000 mm	N/A	N/A 5.5118 in140.000 mm	N/A 0.1575 in4.000 mm	N/A 900000 lbf4000000 N4000.00 kN	N/A 325000 lbf1450000 N1450.00 kN
NA4984	N/A 4.7244 in120.000 mm	N/A 22.0472 in560.000 mm	N/A	N/A 5.5118 in140.000 mm	N/A 0.1575 in4.000 mm	N/A 955000 lbf4250000 N4250.00 kN	N/A 335000 lbf1500000 N1500.00 kN
NA4988	N/A 1.5748 in40.000 mm	N/A 23.6220 in600.000 mm	N/A	N/A 6.2992 in160.000 mm	N/A 0.1575 in4.000 mm	N/A 1030000 lbf4600000 N4600.00 kN	N/A 395000 lbf1750000 N1750.00 kN
NA499	N/A 0.3543 in9.000 mm	N/A 0.7874 in20.000 mm	N/A	N/A 0.4331 in11.000 mm	N/A 0.0118 in0.300 mm	N/A 1100 lbf4900 N4.90 kN	N/A 1090 lbf4850 N4.85 kN
NA59/22	N/A 0.8661 in22.000 mm	N/A 1.5354 in39.000 mm	N/A	N/A 0.9055 in23.000 mm	N/A 0.0118 in0.300 mm	N/A 8450 lbf37500 N37.50 kN	N/A 5950 lbf26400 N26.40 kN
NA59/28	N/A 1.1024 in28.000 mm	N/A 1.7717 in45.000 mm	N/A	N/A 0.9055 in23.000 mm	N/A 0.0118 in0.300 mm	N/A 10200 lbf45500 N45.50 kN	N/A 7200 lbf32000 N32.00 kN
NA59/32V2	N/A 1.2598 in32.000 mm	N/A 2.0472 in52.000 mm	N/A	N/A 1.0630 in27.000 mm	N/A 0.0236 in0.600 mm	N/A	N/A
NA5902	N/A 0.5906 in15.000 mm	N/A 1.1024 in28.000 mm	N/A	N/A 0.7087 in18.000 mm	N/A 0.0118 in0.300 mm	N/A 4300 lbf19100 N19.10 kN	N/A 3150 lbf14100 N14.10 kN
NA5903	N/A 0.6693 in17.000 mm	N/A 1.1811 in30.000 mm	N/A	N/A 0.7087 in18.000 mm	N/A 0.0118 in0.300 mm	N/A 4900 lbf21700 N21.70 kN	N/A 3400 lbf15200 N15.20 kN
NA5904	N/A 0.7874 in20.000 mm	N/A 1.4567 in37.000 mm	N/A	N/A 0.9055 in23.000 mm	N/A 0.0118 in0.300 mm	N/A 8300 lbf37000 N37.00 kN	N/A 6400 lbf28400 N28.40 kN
NA5905	N/A 0.9843 in25.000 mm	N/A 1.6535 in42.000 mm	N/A	N/A 0.9055 in23.000 mm	N/A 0.0118 in0.300 mm	N/A 9650 lbf43000 N43.00 kN	N/A 6850 lbf30500 N30.50 kN
NA5906	N/A 1.1811 in30.000 mm	N/A 1.8504 in47.000 mm	N/A	N/A 0.9055 in23.000 mm	N/A 0.0118 in0.300 mm	N/A 10900 lbf48500 N48.50 kN	N/A 7300 lbf32500 N32.50 kN
NA5907	N/A 1.3780 in35.000 mm	N/A 2.1654 in55.000 mm	N/A	N/A 1.0630 in27.000 mm	N/A 0.0236 in0.600 mm	N/A 14500 lbf64500 N64.50 kN	N/A 8750 lbf39000 N39.00 kN
NA5908	N/A 1.5748 in40.000 mm	N/A 2.4409 in62.000 mm	N/A	N/A 1.1811 in30.000 mm	N/A 0.0236 in0.600 mm	N/A 20800 lbf92500 N92.50 kN	N/A 11900 lbf53000 N53.00 kN
NA5909	N/A 1.7717 in45.000 mm	N/A 2.6772 in68.000 mm	N/A	N/A 1.1811 in30.000 mm	N/A 0.0236 in0.600 mm	N/A 22700 lbf101000 N101.00 kN	N/A 12600 lbf56000 N56.00 kN
NA5910	N/A 1.9685 in50.000 mm	N/A 2.8346 in72.000 mm	N/A	N/A 1.1811 in30.000 mm	N/A 0.0236 in0.600 mm	N/A 24700 lbf110000 N110.00 kN	N/A 13000 lbf58000 N58.00 kN
NA5911	N/A 2.1654 in55.000 mm	N/A 3.1496 in80.000 mm	N/A	N/A 1.3386 in34.000 mm	N/A 0.0394 in1.000 mm	N/A 31500 lbf140000 N140.00 kN	N/A 17200 lbf76500 N76.50 kN
NA5912	N/A 2.3622 in60.000 mm	N/A 3.3465 in85.000 mm	N/A	N/A 1.3386 in34.000 mm	N/A 0.0394 in1.000 mm	N/A 34500 lbf153000 N153.00 kN	N/A 18100 lbf80500 N80.50 kN
NA5913	N/A 2.5591 in65.000 mm	N/A 3.5433 in90.000 mm	N/A	N/A 1.3386 in34.000 mm	N/A 0.0394 in1.000 mm	N/A 37000 lbf165000 N165.00 kN	N/A 18900 lbf84000 N84.00 kN
NA5914	N/A 2.7559 in70.000 mm	N/A 3.9370 in100.000 mm	N/A	N/A 1.5748 in40.000 mm	N/A 0.0591 in1.500 mm	N/A 42000 lbf187000 N187.00 kN	N/A 23200 lbf103000 N103.00 kN
NA5915	N/A 2.9528 in75.000 mm	N/A 4.1339 in105.000 mm	N/A	N/A 1.5748 in40.000 mm	N/A 0.0394 in1.000 mm	N/A 46000 lbf205000 N205.00 kN	N/A 24500 lbf109000 N109.00 kN
NA5916	N/A 3.1496 in80.000 mm	N/A 4.3307 in110.000 mm	N/A	N/A 1.5748 in40.000 mm	N/A 0.0394 in1.000 mm	N/A 50000 lbf223000 N223.00 kN	N/A 25900 lbf115000 N115.00 kN

Item #

d

D

C

B

r

Static Load Rating

Dynamic Load Rating

NA4972

N/A 14.1732 in360.000 mm

N/A 18.8976 in480.000 mm

N/A

N/A 4.6457 in118.000 mm

N/A 0.1181 in3.000 mm

N/A 720000 lbf3200000 N3200.00 kN

N/A 270000 lbf1200000 N1200.00 kN

NA4976

N/A 14.9606 in380.000 mm

N/A 20.4724 in520.000 mm

N/A

N/A 5.5118 in140.000 mm

N/A 0.1575 in4.000 mm

N/A 845000 lbf3750000 N3750.00 kN

N/A 315000 lbf1400000 N1400.00 kN

NA498

N/A 0.3150 in8.000 mm

N/A 0.7480 in19.000 mm

N/A

N/A 0.4331 in11.000 mm

N/A 0.0059 in0.150 mm

N/A 890 lbf3950 N3.95 kN

N/A 965 lbf4300 N4.30 kN

NA4980

N/A 15.7480 in400.000 mm

N/A 21.2598 in540.000 mm

N/A

N/A 5.5118 in140.000 mm

N/A 0.1575 in4.000 mm

N/A 900000 lbf4000000 N4000.00 kN

N/A 325000 lbf1450000 N1450.00 kN

NA4984

N/A 4.7244 in120.000 mm

N/A 22.0472 in560.000 mm

N/A

N/A 5.5118 in140.000 mm

N/A 0.1575 in4.000 mm

N/A 955000 lbf4250000 N4250.00 kN

N/A 335000 lbf1500000 N1500.00 kN

NA4988

N/A 1.5748 in40.000 mm

N/A 23.6220 in600.000 mm

N/A

N/A 6.2992 in160.000 mm

N/A 0.1575 in4.000 mm

N/A 1030000 lbf4600000 N4600.00 kN

N/A 395000 lbf1750000 N1750.00 kN

NA499

N/A 0.3543 in9.000 mm

N/A 0.7874 in20.000 mm

N/A

N/A 0.4331 in11.000 mm

N/A 0.0118 in0.300 mm

N/A 1100 lbf4900 N4.90 kN

N/A 1090 lbf4850 N4.85 kN

NA59/22

N/A 0.8661 in22.000 mm

N/A 1.5354 in39.000 mm

N/A

N/A 0.9055 in23.000 mm

N/A 0.0118 in0.300 mm

N/A 8450 lbf37500 N37.50 kN

N/A 5950 lbf26400 N26.40 kN

NA59/28

N/A 1.1024 in28.000 mm

N/A 1.7717 in45.000 mm

N/A

N/A 0.9055 in23.000 mm

N/A 0.0118 in0.300 mm

N/A 10200 lbf45500 N45.50 kN

N/A 7200 lbf32000 N32.00 kN

NA59/32V2

N/A 1.2598 in32.000 mm

N/A 2.0472 in52.000 mm

N/A

N/A 1.0630 in27.000 mm

N/A 0.0236 in0.600 mm

N/A

NA5902

N/A 0.5906 in15.000 mm

N/A 1.1024 in28.000 mm

N/A

N/A 0.7087 in18.000 mm

N/A 0.0118 in0.300 mm

N/A 4300 lbf19100 N19.10 kN

N/A 3150 lbf14100 N14.10 kN

NA5903

N/A 0.6693 in17.000 mm

N/A 1.1811 in30.000 mm

N/A

N/A 0.7087 in18.000 mm

N/A 0.0118 in0.300 mm

N/A 4900 lbf21700 N21.70 kN

N/A 3400 lbf15200 N15.20 kN

NA5904

N/A 0.7874 in20.000 mm

N/A 1.4567 in37.000 mm

N/A

N/A 0.9055 in23.000 mm

N/A 0.0118 in0.300 mm

N/A 8300 lbf37000 N37.00 kN

N/A 6400 lbf28400 N28.40 kN

NA5905

N/A 0.9843 in25.000 mm

N/A 1.6535 in42.000 mm

N/A

N/A 0.9055 in23.000 mm

N/A 0.0118 in0.300 mm

N/A 9650 lbf43000 N43.00 kN

N/A 6850 lbf30500 N30.50 kN

NA5906

N/A 1.1811 in30.000 mm

N/A 1.8504 in47.000 mm

N/A

N/A 0.9055 in23.000 mm

N/A 0.0118 in0.300 mm

N/A 10900 lbf48500 N48.50 kN

N/A 7300 lbf32500 N32.50 kN

NA5907

N/A 1.3780 in35.000 mm

N/A 2.1654 in55.000 mm

N/A

N/A 1.0630 in27.000 mm

N/A 0.0236 in0.600 mm

N/A 14500 lbf64500 N64.50 kN

N/A 8750 lbf39000 N39.00 kN

NA5908

N/A 1.5748 in40.000 mm

N/A 2.4409 in62.000 mm

N/A

N/A 1.1811 in30.000 mm

N/A 0.0236 in0.600 mm

N/A 20800 lbf92500 N92.50 kN

N/A 11900 lbf53000 N53.00 kN

NA5909

N/A 1.7717 in45.000 mm

N/A 2.6772 in68.000 mm

N/A

N/A 1.1811 in30.000 mm

N/A 0.0236 in0.600 mm

N/A 22700 lbf101000 N101.00 kN

N/A 12600 lbf56000 N56.00 kN

NA5910

N/A 1.9685 in50.000 mm

N/A 2.8346 in72.000 mm

N/A

N/A 1.1811 in30.000 mm

N/A 0.0236 in0.600 mm

N/A 24700 lbf110000 N110.00 kN

N/A 13000 lbf58000 N58.00 kN

NA5911

N/A 2.1654 in55.000 mm

N/A 3.1496 in80.000 mm

N/A

N/A 1.3386 in34.000 mm

N/A 0.0394 in1.000 mm

N/A 31500 lbf140000 N140.00 kN

N/A 17200 lbf76500 N76.50 kN

NA5912

N/A 2.3622 in60.000 mm

N/A 3.3465 in85.000 mm

N/A

N/A 1.3386 in34.000 mm

N/A 0.0394 in1.000 mm

N/A 34500 lbf153000 N153.00 kN

N/A 18100 lbf80500 N80.50 kN

NA5913

N/A 2.5591 in65.000 mm

N/A 3.5433 in90.000 mm

N/A

N/A 1.3386 in34.000 mm

N/A 0.0394 in1.000 mm

N/A 37000 lbf165000 N165.00 kN

N/A 18900 lbf84000 N84.00 kN

NA5914

N/A 2.7559 in70.000 mm

N/A 3.9370 in100.000 mm

N/A

N/A 1.5748 in40.000 mm

N/A 0.0591 in1.500 mm

N/A 42000 lbf187000 N187.00 kN

N/A 23200 lbf103000 N103.00 kN

NA5915

N/A 2.9528 in75.000 mm

N/A 4.1339 in105.000 mm

N/A

N/A 1.5748 in40.000 mm

N/A 0.0394 in1.000 mm

N/A 46000 lbf205000 N205.00 kN

N/A 24500 lbf109000 N109.00 kN

NA5916

N/A 3.1496 in80.000 mm

N/A 4.3307 in110.000 mm

N/A

N/A 1.5748 in40.000 mm

N/A 0.0394 in1.000 mm

N/A 50000 lbf223000 N223.00 kN

N/A 25900 lbf115000 N115.00 kN