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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Cup for Tapered Roller Bearing - Inch Series and J Series
Unit of Measure
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Item #

D

Wo

W

r

21212 N/A 2.1250 in53.975 mm N/A 0.6250 in15.875 mm N/A 0.8750 in22.225 mm N/A 0.0900 in2.300 mm
22720 N/A 3.2500 in82.550 mm N/A 0.8125 in20.638 mm N/A 1.0313 in26.195 mm N/A 0.1300 in3.300 mm
24720 N/A 3.0000 in76.200 mm N/A 0.6875 in17.463 mm N/A 0.8750 in22.225 mm N/A 0.0300 in0.800 mm
24721 N/A 3.0000 in76.200 mm N/A 0.8125 in20.638 mm N/A 1.0000 in25.400 mm N/A 0.0900 in2.300 mm
25519 N/A 3.2500 in82.550 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.812 mm N/A 0.0800 in2.000 mm
25520 N/A 3.2650 in82.931 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.812 mm N/A 0.0300 in0.800 mm
25521 N/A 3.2700 in83.058 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.813 mm N/A 0.1300 in3.300 mm
25522 N/A 3.2700 in83.058 mm N/A 0.7525 in19.114 mm N/A 0.9400 in23.876 mm N/A 0.0800 in2.000 mm
25523 N/A 3.2650 in82.931 mm N/A 0.8750 in22.225 mm N/A 1.0625 in26.988 mm N/A 0.0900 in2.300 mm
25526 N/A 3.3465 in85.001 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.812 mm N/A 0.0900 in2.300 mm
25820 N/A 2.8750 in73.025 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.812 mm N/A 0.0900 in2.300 mm
25821 N/A 2.8750 in73.025 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.812 mm N/A 0.0300 in0.800 mm
19268X N/A 2.6875 in68.263 mm N/A 0.4688 in11.908 mm N/A 0.7874 in20.000 mm N/A 0.0600 in1.500 mm
19283X N/A 2.8346 in72.000 mm N/A 0.5625 in14.288 mm N/A 1.3400 in34.036 mm N/A 0.0800 in2.000 mm
26820 N/A 3.1562 in80.167 mm N/A 0.8125 in20.638 mm N/A 1.0000 in25.400 mm N/A 0.1300 in3.300 mm
26822 N/A 3.1250 in79.375 mm N/A 0.7500 in19.050 mm N/A 0.9375 in23.812 mm N/A 0.0300 in0.800 mm
26823 N/A 3.0000 in76.200 mm N/A 0.8125 in20.638 mm N/A 1.0000 in25.400 mm N/A 0.0600 in1.500 mm
26830 N/A 3.1500 in80.010 mm N/A 0.8125 in20.638 mm N/A 1.0000 in25.400 mm N/A 0.0300 in0.800 mm
27820 N/A 3.1510 in80.035 mm N/A 0.7288 in18.512 mm N/A 0.9688 in24.608 mm N/A 0.0600 in1.500 mm
28300 N/A 3.0000 in76.200 mm N/A 0.6105 in15.507 mm N/A 0.8125 in20.638 mm N/A 0.0500 in1.300 mm
28520 N/A 3.5425 in89.980 mm N/A 0.7869 in19.987 mm N/A 0.9744 in24.750 mm N/A 0.0900 in2.300 mm
28521 N/A 3.6250 in92.075 mm N/A 0.7813 in19.845 mm N/A 0.9688 in24.607 mm N/A 0.0300 in0.800 mm
28622 N/A 3.8437 in97.630 mm N/A 0.7656 in19.446 mm N/A 0.9688 in24.608 mm N/A 0.0300 in0.800 mm
28920 N/A 4.0000 in101.600 mm N/A 0.7813 in19.845 mm N/A 1.0000 in25.400 mm N/A 0.1300 in3.300 mm
28921 N/A 3.9370 in100.000 mm N/A 0.7813 in19.845 mm N/A 1.0000 in25.400 mm N/A 0.1300 in3.300 mm
Unit of Measure
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