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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Machined-Ring Needle Roller Bearings w/ Inner Ring
Machined-Ring Needle Roller Bearings w/ Inner Ring - Dimensions
Unit of Measure
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Item #

d

D

C

B

r

Static Load Rating

Dynamic Load Rating

NA4856 N/A 11.0236 in280.000 mm N/A 13.7795 in350.000 mm N/A N/A 2.7165 in69.000 mm N/A 0.0787 in2.000 mm N/A 292000 lbf1300000 N1300.00 kN N/A 102000 lbf455000 N455.00 kN
NA4860 N/A 11.8110 in300.000 mm N/A 14.9606 in380.000 mm N/A N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm N/A 400000 lbf1770000 N1770.00 kN N/A 141000 lbf625000 N625.00 kN
NA4864 N/A 12.5984 in320.000 mm N/A 15.7480 in400.000 mm N/A N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm N/A 415000 lbf1850000 N1850.00 kN N/A 144000 lbf640000 N640.00 kN
NA4868 N/A 13.3858 in340.000 mm N/A 16.5354 in420.000 mm N/A N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm N/A 435000 lbf1940000 N1940.00 kN N/A 147000 lbf655000 N655.00 kN
NA4872 N/A 14.1732 in360.000 mm N/A 17.3228 in440.000 mm N/A N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm N/A 455000 lbf2020000 N2020.00 kN N/A 150000 lbf665000 N665.00 kN
NA4876 N/A 14.9606 in380.000 mm N/A 18.8976 in480.000 mm N/A N/A 3.9370 in100.000 mm N/A 0.0827 in2.100 mm N/A 640000 lbf2840000 N2840.00 kN N/A 225000 lbf1000000 N1000.00 kN
NA49/22R N/A 0.8661 in22.000 mm N/A 1.5354 in39.000 mm N/A N/A 0.6693 in17.000 mm N/A 0.0118 in0.300 mm N/A 6600 lbf29300 N29.30 kN N/A 5200 lbf23200 N23.20 kN
NA49/28R N/A 1.1024 in28.000 mm N/A 1.7717 in45.000 mm N/A N/A 0.6693 in17.000 mm N/A 0.0118 in0.300 mm N/A 7550 lbf33500 N33.50 kN N/A 5600 lbf24800 N24.80 kN
NA49/32R N/A 1.2598 in32.000 mm N/A 2.0472 in52.000 mm N/A N/A 0.7874 in20.000 mm N/A 0.0236 in0.600 mm N/A 10700 lbf47500 N47.50 kN N/A 7100 lbf31500 N31.50 kN
NA4900L N/A 0.3937 in10.000 mm N/A 0.8661 in22.000 mm N/A 0.5118 in13.000 mm N/A 0.5512 in14.000 mm N/A 0.0118 in0.300 mm N/A 1910 lbf8500 N8.50 kN N/A 1620 lbf7200 N7.20 kN
NA4900LL N/A 0.3937 in10.000 mm N/A 0.8661 in22.000 mm N/A 0.5118 in13.000 mm N/A 0.5512 in14.000 mm N/A 0.0118 in0.300 mm N/A 1910 lbf8500 N8.50 kN N/A 1620 lbf7200 N7.20 kN
NA4900LL/LP03 N/A 0.3937 in10.000 mm N/A 0.8661 in22.000 mm N/A 0.5118 in13.000 mm N/A 0.5512 in14.000 mm N/A 0.0118 in0.300 mm N/A 1910 lbf8500 N8.50 kN N/A 1620 lbf7200 N7.20 kN
NA4900R N/A 0.3937 in10.000 mm N/A 0.8661 in22.000 mm N/A N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm N/A 2070 lbf9200 N9.20 kN N/A 1930 lbf8600 N8.60 kN
NA4901L N/A 0.4724 in12.000 mm N/A 0.9449 in24.000 mm N/A 0.5118 in13.000 mm N/A 0.5512 in14.000 mm N/A 0.0118 in0.300 mm N/A 2180 lbf9700 N9.70 kN N/A 1740 lbf7750 N7.75 kN
NA4901LL N/A 0.4724 in12.000 mm N/A 0.9449 in24.000 mm N/A 0.5118 in13.000 mm N/A 0.5512 in14.000 mm N/A 0.0118 in0.300 mm N/A 2180 lbf9700 N9.70 kN N/A 1740 lbf7750 N7.75 kN
NA4901R N/A 0.4724 in12.000 mm N/A 0.9449 in24.000 mm N/A N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm N/A 2450 lbf10900 N10.90 kN N/A 2150 lbf9550 N9.55 kN
NA4902L N/A 0.5906 in15.000 mm N/A 1.1024 in28.000 mm N/A 0.5118 in13.000 mm N/A 0.5512 in14.000 mm N/A 0.0118 in0.300 mm N/A 2520 lbf11200 N11.20 kN N/A 1870 lbf8300 N8.30 kN
NA4902LL N/A 0.5906 in15.000 mm N/A 1.1024 in28.000 mm N/A 0.5118 in13.000 mm N/A 0.5512 in14.000 mm N/A 0.0118 in0.300 mm N/A 2520 lbf11200 N11.20 kN N/A 1870 lbf8300 N8.30 kN
NA4902R N/A 0.5906 in15.000 mm N/A 1.1024 in28.000 mm N/A N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm N/A 6450 lbf28800 N28.80 kN N/A 2320 lbf10300 N10.30 kN
NA4903L N/A 0.6693 in17.000 mm N/A 1.1811 in30.000 mm N/A 0.5118 in13.000 mm N/A 0.5512 in14.000 mm N/A 0.0118 in0.300 mm N/A 2680 lbf11900 N11.90 kN N/A 1910 lbf8500 N8.50 kN
NA4903LL N/A 0.6693 in17.000 mm N/A 1.1811 in30.000 mm N/A 0.5118 in13.000 mm N/A 0.5512 in14.000 mm N/A 0.0118 in0.300 mm N/A 2680 lbf11900 N11.90 kN N/A 1910 lbf8500 N8.50 kN
NA4903R N/A 0.6693 in17.000 mm N/A 1.1811 in30.000 mm N/A N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm N/A 3300 lbf14600 N14.60 kN N/A 2520 lbf11200 N11.20 kN
NA4904L N/A 0.7874 in20.000 mm N/A 1.4567 in37.000 mm N/A 0.6693 in17.000 mm N/A 0.7087 in18.000 mm N/A 0.0118 in0.300 mm N/A 4450 lbf19900 N19.90 kN N/A 3400 lbf15200 N15.20 kN
NA4904LL N/A 0.7874 in20.000 mm N/A 1.4567 in37.000 mm N/A 0.6693 in17.000 mm N/A 0.7087 in18.000 mm N/A 0.0118 in0.300 mm N/A 4450 lbf19900 N19.90 kN N/A 3400 lbf15200 N15.20 kN
NA4904R N/A 0.7874 in20.000 mm N/A 1.4567 in37.000 mm N/A N/A 0.6693 in17.000 mm N/A 0.0118 in0.300 mm N/A 5750 lbf25500 N25.50 kN N/A 4800 lbf21300 N21.30 kN
Unit of Measure
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