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

NA4904RCT 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
NA4905L N/A 0.9843 in25.000 mm N/A 1.6535 in42.000 mm N/A 0.6693 in17.000 mm N/A 0.7087 in18.000 mm N/A 0.0118 in0.300 mm N/A 5100 lbf22600 N22.60 kN N/A 3600 lbf16000 N16.00 kN
NA4905LL N/A 0.9843 in25.000 mm N/A 1.6535 in42.000 mm N/A 0.6693 in17.000 mm N/A 0.7087 in18.000 mm N/A 0.0118 in0.300 mm N/A 5100 lbf22600 N22.60 kN N/A 3600 lbf16000 N16.00 kN
NA4905R N/A 0.9843 in25.000 mm N/A 1.6535 in42.000 mm N/A N/A 0.6693 in17.000 mm N/A 0.0118 in0.300 mm N/A 7100 lbf31500 N31.50 kN N/A 5400 lbf24000 N24.00 kN
NA4906L N/A 1.1811 in30.000 mm N/A 1.8504 in47.000 mm N/A 0.6693 in17.000 mm N/A 0.7087 in18.000 mm N/A 0.0118 in0.300 mm N/A 6150 lbf27400 N27.40 kN N/A 4050 lbf18000 N18.00 kN
NA4906LL N/A 1.1811 in30.000 mm N/A 1.8504 in47.000 mm N/A 0.6693 in17.000 mm N/A 0.7087 in18.000 mm N/A 0.0118 in0.300 mm N/A 6150 lbf27400 N27.40 kN N/A 4050 lbf18000 N18.00 kN
NA4906R N/A 1.1811 in30.000 mm N/A 1.8504 in47.000 mm N/A N/A 0.6693 in17.000 mm N/A 0.0118 in0.300 mm N/A 8000 lbf35500 N35.50 kN N/A 5750 lbf25500 N25.50 kN
NA4907L N/A 1.3780 in35.000 mm N/A 2.1654 in55.000 mm N/A 0.7874 in20.000 mm N/A 0.8268 in21.000 mm N/A 0.0236 in0.600 mm N/A 8900 lbf39500 N39.50 kN N/A 5100 lbf22700 N22.70 kN
NA4907LL N/A 1.3780 in35.000 mm N/A 2.1654 in55.000 mm N/A 0.7874 in20.000 mm N/A 0.8268 in21.000 mm N/A 0.0236 in0.600 mm N/A 8900 lbf39500 N39.50 kN N/A 5100 lbf22700 N22.70 kN
NA4907R N/A 1.3780 in35.000 mm N/A 2.1654 in55.000 mm N/A N/A 0.7874 in20.000 mm N/A 0.0236 in0.600 mm N/A 11200 lbf50000 N50.00 kN N/A 7200 lbf32000 N32.00 kN
NA4908L N/A 1.5748 in40.000 mm N/A 2.4409 in62.000 mm N/A 0.8661 in22.000 mm N/A 0.9055 in23.000 mm N/A 0.0236 in0.600 mm N/A 12000 lbf53500 N53.50 kN N/A 6250 lbf27800 N27.80 kN
NA4908LL N/A 1.5748 in40.000 mm N/A 2.4409 in62.000 mm N/A 0.8661 in22.000 mm N/A 0.9055 in23.000 mm N/A 0.0236 in0.600 mm N/A 12000 lbf53500 N53.50 kN N/A 6250 lbf27800 N27.80 kN
NA4908R N/A 1.5748 in40.000 mm N/A 2.4409 in62.000 mm N/A N/A 0.8661 in22.000 mm N/A 0.0236 in0.600 mm N/A 15000 lbf66500 N66.50 kN N/A 9800 lbf43500 N43.50 kN
NA4909L N/A 1.7717 in45.000 mm N/A 2.6772 in68.000 mm N/A 0.8661 in22.000 mm N/A 0.9055 in23.000 mm N/A 0.0236 in0.600 mm N/A 12800 lbf57000 N57.00 kN N/A 6450 lbf28600 N28.60 kN
NA4909LL N/A 1.7717 in45.000 mm N/A 2.6772 in68.000 mm N/A 0.8661 in22.000 mm N/A 0.9055 in23.000 mm N/A 0.0236 in0.600 mm N/A 12800 lbf57000 N57.00 kN N/A 6450 lbf28600 N28.60 kN
NA4909R N/A 1.7717 in45.000 mm N/A 2.6772 in68.000 mm N/A N/A 0.8661 in22.000 mm N/A 0.0236 in0.600 mm N/A 16400 lbf73000 N73.00 kN N/A 10300 lbf46000 N46.00 kN
NA4910L N/A 1.9685 in50.000 mm N/A 2.8346 in72.000 mm N/A 0.8661 in22.000 mm N/A 0.9055 in23.000 mm N/A 0.0236 in0.600 mm N/A 14400 lbf64000 N64.00 kN N/A 6850 lbf30500 N30.50 kN
NA4910LL N/A 1.9685 in50.000 mm N/A 2.8346 in72.000 mm N/A 0.8661 in22.000 mm N/A 0.9055 in23.000 mm N/A 0.0236 in0.600 mm N/A 14400 lbf64000 N64.00 kN N/A 6850 lbf30500 N30.50 kN
NA4910R N/A 1.9685 in50.000 mm N/A 2.8346 in72.000 mm N/A N/A 0.8661 in22.000 mm N/A 0.0236 in0.600 mm N/A 18000 lbf80000 N80.00 kN N/A 10800 lbf48000 N48.00 kN
NA4911R N/A 2.1654 in55.000 mm N/A 3.1496 in80.000 mm N/A N/A 0.9843 in25.000 mm N/A 0.0394 in1.000 mm N/A 22400 lbf99500 N99.50 kN N/A 13200 lbf58500 N58.50 kN
NA4911RC3 N/A 2.1654 in55.000 mm N/A 3.1496 in80.000 mm N/A N/A 0.9843 in25.000 mm N/A 0.0394 in1.000 mm N/A 22400 lbf99500 N99.50 kN N/A 13200 lbf58500 N58.50 kN
NA4912R N/A 2.3622 in60.000 mm N/A 3.3465 in85.000 mm N/A N/A 0.9843 in25.000 mm N/A 0.0394 in1.000 mm N/A 24300 lbf108000 N108.00 kN N/A 13800 lbf61500 N61.50 kN
NA4913R N/A 2.5591 in65.000 mm N/A 3.5433 in90.000 mm N/A N/A 0.9843 in25.000 mm N/A 0.0394 in1.000 mm N/A 25200 lbf112000 N112.00 kN N/A 14100 lbf62500 N62.50 kN
NA4914R N/A 2.7559 in70.000 mm N/A 3.9370 in100.000 mm N/A N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 35000 lbf156000 N156.00 kN N/A 19200 lbf85500 N85.50 kN
NA4915R N/A 2.9528 in75.000 mm N/A 4.1339 in105.000 mm N/A N/A 1.1811 in30.000 mm N/A 0.0394 in1.000 mm N/A 36500 lbf162000 N162.00 kN N/A 19600 lbf87000 N87.00 kN
Unit of Measure
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