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 - Separable Type w/ Inner Ring
Machined-Ring Needle Roller Bearings - Separable Type w/ Inner Ring - Dimensions
Unit of Measure
1 2 3 

Item #

d

D

C

r

Static Load Rating

Dynamic Load Rating

NAO-10X22X13 N/A 0.3937 in10.000 mm N/A 0.8661 in22.000 mm N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm N/A 2270 lbf10100 N10.10 kN N/A 1870 lbf8300 N8.30 kN
NAO-10X22X20ZW N/A 0.3937 in10.000 mm N/A 0.8661 in22.000 mm N/A 0.7874 in20.000 mm N/A 0.0118 in0.300 mm N/A 3600 lbf16000 N16.00 kN N/A 2650 lbf11800 N11.80 kN
NAO-10X26X12 N/A 0.3937 in10.000 mm N/A 1.0236 in26.000 mm N/A 0.4724 in12.000 mm N/A 0.0118 in0.300 mm N/A 2060 lbf9150 N9.15 kN N/A 2100 lbf9350 N9.35 kN
NAO-12X24X13 N/A 0.4724 in12.000 mm N/A 0.9449 in24.000 mm N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm N/A 2650 lbf11800 N11.80 kN N/A 2030 lbf9050 N9.05 kN
NAO-12X24X20ZW N/A 0.4724 in12.000 mm N/A 0.9449 in24.000 mm N/A 0.7874 in20.000 mm N/A 0.0118 in0.300 mm N/A 4150 lbf18500 N18.50 kN N/A 2900 lbf12900 N12.90 kN
NAO-12X28X12 N/A 0.4724 in12.000 mm N/A 1.1024 in28.000 mm N/A 0.4724 in12.000 mm N/A 0.0118 in0.300 mm N/A 2810 lbf12500 N12.50 kN N/A 2630 lbf11700 N11.70 kN
NAO-15X28X13 N/A 0.5906 in15.000 mm N/A 1.1024 in28.000 mm N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm N/A 3200 lbf14300 N14.30 kN N/A 2250 lbf10000 N10.00 kN
NAO-15X28X26ZW N/A 0.5906 in15.000 mm N/A 1.1024 in28.000 mm N/A 1.0236 in26.000 mm N/A 0.0118 in0.300 mm N/A 6450 lbf28600 N28.60 kN N/A 3850 lbf17100 N17.10 kN
NAO-15X32X12 N/A 0.5906 in15.000 mm N/A 1.2598 in32.000 mm N/A 0.4724 in12.000 mm N/A 0.0118 in0.300 mm N/A 3400 lbf15100 N15.10 kN N/A 2900 lbf12900 N12.90 kN
NAO-17X30X13 N/A 0.6693 in17.000 mm N/A 1.1811 in30.000 mm N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm N/A 3400 lbf15200 N15.20 kN N/A 2290 lbf10200 N10.20 kN
NAO-17X30X26ZW N/A 0.6693 in17.000 mm N/A 1.1811 in30.000 mm N/A 1.0236 in26.000 mm N/A 0.0118 in0.300 mm N/A 6850 lbf30500 N30.50 kN N/A 3950 lbf17500 N17.50 kN
NAO-17X35X16 N/A 0.6693 in17.000 mm N/A 1.3780 in35.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm N/A 5100 lbf22700 N22.70 kN N/A 4200 lbf18700 N18.70 kN
NAO-17X35X32ZW N/A 0.6693 in17.000 mm N/A 1.3780 in35.000 mm N/A 1.2598 in32.000 mm N/A 0.0118 in0.300 mm N/A 10200 lbf45500 N45.50 kN N/A 7200 lbf32000 N32.00 kN
NAO-20X35X17 N/A 0.7874 in20.000 mm N/A 1.3780 in35.000 mm N/A 0.6693 in17.000 mm N/A 0.0118 in0.300 mm N/A 5400 lbf24000 N24.00 kN N/A 3200 lbf14200 N14.20 kN
NAO-20X35X26ZW N/A 0.7874 in20.000 mm N/A 1.3780 in35.000 mm N/A 1.0236 in26.000 mm N/A 0.0118 in0.300 mm N/A 7550 lbf33500 N33.50 kN N/A 4150 lbf18400 N18.40 kN
NAO-20X37X16 N/A 0.7874 in20.000 mm N/A 1.4567 in37.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm N/A 5550 lbf24700 N24.70 kN N/A 4400 lbf19500 N19.50 kN
NAO-20X37X32ZW N/A 0.7874 in20.000 mm N/A 1.4567 in37.000 mm N/A 1.2598 in32.000 mm N/A 0.0118 in0.300 mm N/A 11100 lbf49500 N49.50 kN N/A 7550 lbf33500 N33.50 kN
NAO-25X40X17 N/A 0.9843 in25.000 mm N/A 1.5748 in40.000 mm N/A 0.6693 in17.000 mm N/A 0.0118 in0.300 mm N/A 7300 lbf32500 N32.50 kN N/A 4350 lbf19400 N19.40 kN
NAO-25X40X26ZW N/A 0.9843 in25.000 mm N/A 1.5748 in40.000 mm N/A 1.0236 in26.000 mm N/A 0.0118 in0.300 mm N/A 10300 lbf46000 N46.00 kN N/A 5650 lbf25200 N25.20 kN
NAO-25X42X16 N/A 0.9843 in25.000 mm N/A 1.6535 in42.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm N/A 6850 lbf30500 N30.50 kN N/A 4900 lbf21900 N21.90 kN
NAO-25X42X32ZW N/A 0.9843 in25.000 mm N/A 1.6535 in42.000 mm N/A 1.2598 in32.000 mm N/A 0.0118 in0.300 mm N/A 13600 lbf60500 N60.50 kN N/A 8450 lbf37500 N37.50 kN
NAO-29X42X13 N/A 1.1417 in29.000 mm N/A 1.6535 in42.000 mm N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm N/A 5150 lbf23000 N23.00 kN N/A 3250 lbf14500 N14.50 kN
NAO-30X45X13 N/A 1.1811 in30.000 mm N/A 1.7717 in45.000 mm N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm N/A 5650 lbf25100 N25.10 kN N/A 3400 lbf15200 N15.20 kN
NAO-30X45X17 N/A 1.1811 in30.000 mm N/A 1.7717 in45.000 mm N/A 0.6693 in17.000 mm N/A 0.0118 in0.300 mm N/A 8100 lbf36000 N36.00 kN N/A 4500 lbf20000 N20.00 kN
NAO-30X45X26ZW N/A 1.1811 in30.000 mm N/A 1.7717 in45.000 mm N/A 1.0236 in26.000 mm N/A 0.0118 in0.300 mm N/A 11200 lbf50000 N50.00 kN N/A 5850 lbf26100 N26.10 kN
Unit of Measure
1 2 3