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
Print Back
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-30X47X16 N/A 1.1811 in30.000 mm N/A 1.8504 in47.000 mm N/A 0.6299 in16.000 mm N/A 0.0118 in0.300 mm N/A 8100 lbf36000 N36.00 kN N/A 5400 lbf24100 N24.10 kN
NAO-30X47X18 N/A 1.1811 in30.000 mm N/A 1.8504 in47.000 mm N/A 0.7087 in18.000 mm N/A 0.0118 in0.300 mm N/A 8300 lbf37000 N37.00 kN N/A 5550 lbf24700 N24.70 kN
NAO-30X47X32ZW N/A 1.1811 in30.000 mm N/A 1.8504 in47.000 mm N/A 1.2598 in32.000 mm N/A 0.0118 in0.300 mm N/A 16100 lbf71500 N71.50 kN N/A 9350 lbf41500 N41.50 kN
NAO-30X52X18 N/A 1.1811 in30.000 mm N/A 2.0472 in52.000 mm N/A 0.7087 in18.000 mm N/A 0.0118 in0.300 mm N/A 9200 lbf41000 N41.00 kN N/A 5900 lbf26300 N26.30 kN
NAO-33X47X13 N/A 1.2992 in33.000 mm N/A 1.8504 in47.000 mm N/A 0.5118 in13.000 mm N/A 0.0118 in0.300 mm N/A 6100 lbf27100 N27.10 kN N/A 3550 lbf15900 N15.90 kN
NAO-35X50X17 N/A 1.3780 in35.000 mm N/A 1.9685 in50.000 mm N/A 0.6693 in17.000 mm N/A 0.0118 in0.300 mm N/A 9350 lbf41500 N41.50 kN N/A 4900 lbf21800 N21.80 kN
NAO-35X50X34ZW N/A 1.3780 in35.000 mm N/A 1.9685 in50.000 mm N/A 1.3386 in34.000 mm N/A 0.0118 in0.300 mm N/A 18700 lbf83000 N83.00 kN N/A 8450 lbf37500 N37.50 kN
NAO-35X55X20 N/A 1.3780 in35.000 mm N/A 2.1654 in55.000 mm N/A 0.7874 in20.000 mm N/A 0.0118 in0.300 mm N/A 11600 lbf51500 N51.50 kN N/A 6950 lbf31000 N31.00 kN
NAO-35X55X40ZW N/A 1.3780 in35.000 mm N/A 2.1654 in55.000 mm N/A 1.5748 in40.000 mm N/A 0.0118 in0.300 mm N/A 22900 lbf102000 N102.00 kN N/A 12700 lbf56500 N56.50 kN
NAO-40X55X17 N/A 1.5748 in40.000 mm N/A 2.1654 in55.000 mm N/A 0.6693 in17.000 mm N/A 0.0118 in0.300 mm N/A 10000 lbf44500 N44.50 kN N/A 5000 lbf22300 N22.30 kN
NAO-40X55X34ZW N/A 1.5748 in40.000 mm N/A 2.1654 in55.000 mm N/A 1.3386 in34.000 mm N/A 0.0118 in0.300 mm N/A 20100 lbf89500 N89.50 kN N/A 8650 lbf38500 N38.50 kN
NAO-40X62X20 N/A 1.5748 in40.000 mm N/A 2.4409 in62.000 mm N/A 0.7874 in20.000 mm N/A 0.0118 in0.300 mm N/A 13300 lbf59000 N59.00 kN N/A 8100 lbf36000 N36.00 kN
NAO-40X62X40ZW N/A 1.5748 in40.000 mm N/A 2.4409 in62.000 mm N/A 1.5748 in40.000 mm N/A 0.0118 in0.300 mm N/A 26500 lbf118000 N118.00 kN N/A 13800 lbf61500 N61.50 kN
NAO-40X65X20 N/A 1.5748 in40.000 mm N/A 2.5591 in65.000 mm N/A 0.7874 in20.000 mm N/A 0.0118 in0.300 mm N/A 15200 lbf67500 N67.50 kN N/A 8650 lbf38500 N38.50 kN
NAO-45X62X20 N/A 1.7717 in45.000 mm N/A 2.4409 in62.000 mm N/A 0.7874 in20.000 mm N/A 0.0118 in0.300 mm N/A 13900 lbf62000 N62.00 kN N/A 6250 lbf27900 N27.90 kN
NAO-45X62X40ZW N/A 1.7717 in45.000 mm N/A 2.4409 in62.000 mm N/A 1.5748 in40.000 mm N/A 0.0118 in0.300 mm N/A 27900 lbf124000 N124.00 kN N/A 10800 lbf48000 N48.00 kN
NAO-45X72X20 N/A 1.7717 in45.000 mm N/A 2.8346 in72.000 mm N/A 0.7874 in20.000 mm N/A 0.0236 in0.600 mm N/A 15700 lbf70000 N70.00 kN N/A 8750 lbf39000 N39.00 kN
NAO-45X72X40ZW N/A 1.7717 in45.000 mm N/A 2.8346 in72.000 mm N/A 1.5748 in40.000 mm N/A 0.0236 in0.600 mm N/A 31500 lbf140000 N140.00 kN N/A 15000 lbf66500 N66.50 kN
NAO-50X68X20 N/A 1.9685 in50.000 mm N/A 2.6772 in68.000 mm N/A 0.7874 in20.000 mm N/A 0.0236 in0.600 mm N/A 15000 lbf66500 N66.50 kN N/A 6450 lbf28800 N28.80 kN
NAO-50X68X40ZW N/A 1.9685 in50.000 mm N/A 2.6772 in68.000 mm N/A 1.5748 in40.000 mm N/A 0.0236 in0.600 mm N/A 29900 lbf133000 N133.00 kN N/A 11100 lbf49500 N49.50 kN
NAO-50X78X20 N/A 1.9685 in50.000 mm N/A 3.0709 in78.000 mm N/A 0.7874 in20.000 mm N/A 0.0394 in1.000 mm N/A 16900 lbf75000 N75.00 kN N/A 9000 lbf40000 N40.00 kN
NAO-50X78X40ZW N/A 1.9685 in50.000 mm N/A 3.0709 in78.000 mm N/A 1.5748 in40.000 mm N/A 0.0394 in1.000 mm N/A 33500 lbf150000 N150.00 kN N/A 15500 lbf69000 N69.00 kN
NAO-55X85X30 N/A 2.1654 in55.000 mm N/A 3.3465 in85.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 29700 lbf132000 N132.00 kN N/A 13700 lbf61000 N61.00 kN
NAO-55X85X60ZW N/A 2.1654 in55.000 mm N/A 3.3465 in85.000 mm N/A 2.3622 in60.000 mm N/A 0.0394 in1.000 mm N/A 59000 lbf263000 N263.00 kN N/A 23400 lbf104000 N104.00 kN
NAO-60X90X30 N/A 2.3622 in60.000 mm N/A 3.5433 in90.000 mm N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 33500 lbf149000 N149.00 kN N/A 14700 lbf65500 N65.50 kN
Unit of Measure
1 2 3