NTN - Ball and Roller Bearings
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TAPERED ROLLER BEARINGS<br />
Units:<br />
INCHES<br />
Millimeters<br />
Cone Bore Cone Max. shaft Cup O.D. Cup Max. housing Overall<br />
Number Width fillet radius Number Width fillet radius Width<br />
4T-L68100 SERIES<br />
d B R D b r T<br />
4T-L68149 *1.3780 .6600 4T-L68110 2.3280 .4700 .05 .6250<br />
35.000 16.764 59.131 11.938 1.3 15.875<br />
4T-L68111 2.3622 .4700 .05 .6250<br />
60.000 11.938 1.3 15.875<br />
4T-L69300 SERIES<br />
4T-JL69349 1.4961 .6693 4T-JL69310 2.4803 .5313 .05 .6693<br />
38.000 17.000 63.000 13.495 1.3 17.000<br />
4T-72000C SERIES<br />
4T-72188C 1.8750 1.2910 .03 4T-72487 4.8750 1.0000 .13 1.4375<br />
47.625 32.791 .6 123.825 25.400 3.3 36.512<br />
4T-72200C 2.0000 1.2910 .14<br />
50.800 32.791 2.5<br />
4T-78000C SERIES<br />
4T-78215C 2.1250 1.3085 .14 4T-78551 5.5130 .9260 .09 1.4375<br />
53.975 33.236 2.5 140.030 23.520 2.3 36.512<br />
4T-78225C 2.2500 1.3085 .14<br />
57.150 33.236 2.5<br />
4T-78238C 2.3750 1.3085 .20<br />
60.325 33.236 4.0<br />
4T-LM78300 SERIES<br />
4T-LM78349 *1.3780 .6693 4T-LM78310A 2.4409 .5354 .06 .6575<br />
35.000 17.000 62.000 13.600 1.0 16.700<br />
4T-HM81600 SERIES<br />
4T-HM81649 *.6299 .8268 .04 4T-HM81610 1.8504 .6299 .08 .8268<br />
16.000 21.000 .6 47.000 16.000 1.5 21.000<br />
4T-M84200 SERIES<br />
4T-M84249 1.0000 .9100 .03 4T-M84210 2.3437 .7200 .06 .9200<br />
25.400 23.114 .6 59.530 18.288 1.0 23.368<br />
4T-M84500 SERIES<br />
4T-M84548 1.0000 .7650 .06 4T-M84510 2.2500 .5800 .06 .7650<br />
25.400 19.431 1.0 57.150 14.732 1.0 19.431<br />
4T-M86600 SERIES<br />
4T-M86649 1.1875 .8438 .06 4T-M86610 2.5312 .6563 .06 .8438<br />
30.162 21.433 1.0 64.292 16.670 1.0 21.433<br />
4T-M88800 SERIES<br />
4T-M88048 1.3125 .8750 .03 4T-M88010 2.6875 .6875 .06 .8750<br />
33.338 22.225 .6 68.262 17.462 1.0 22.225<br />
4T-HM88500 SERIES<br />
4T-HM88542 1.2500 1.0928 .05 4T-HM88510 2.8750 .9063 .13 1.1563<br />
31.750 27.783 1.3 73.025 23.020 3.3 29.370<br />
4T-HM88547 1.3125 1.0938 .03<br />
33.338 27.783 .6<br />
4T-HM88600 SERIES<br />
4T-HM88649 1.3750 1.0000 .09 4T-HM88610 2.8438 .7812 .09 1.0000<br />
34.925 25.400 2.3 72.233 19.842 2.3 25.400<br />
4T-HM88611 2.8346 .8442 .06 1.0630<br />
72.000 21.443 1.0 27.000<br />
4T-HM89400 SERIES<br />
4T-HM89443 1.3125 1.1250 .03 4T-HM89410 3.0000 .9063 .13 1.1563<br />
33.338 28.575 .6 76.200 23.020 3.3 29.370<br />
4T-HM89446 1.3750 1.1250 .14 4T-HM89411 3.0000 .9063 .03 1.1563<br />
34.925 28.575 2.5 76.200 23.020 .6 29.370<br />
4T-HM89448 1.4375 1.1250 .03<br />
36.512 28.575 .6<br />
4T-HM89449 1.4375 1.1250 .14<br />
36.512 28.575 2.5<br />
4T-LM102900 SERIES<br />
4T-LM102949 1.7812 .7800 .14 4T-LM102910 2.8910 .6200 .03 .7700<br />
45.242 19.812 2.5 73.431 15.748 .6 19.558<br />
<br />
SERIES<br />
4T<br />
These maximum fillet radii will be cleared by the cone or cup radii. .06 in. (1.5 mm) front face chamfer<br />
Cup outside dia. tolerance +.0000 to -.0010 in. (+0 to -.025 mm) * Tolerance +.0000 to - .0005 in. (+0 to -.013 mm)<br />
Overall bearing width tolerance +.0140 to -.0000 in.. (+0.356 to -.0 mm)<br />
For ‘J’ prefix part tolerances see Table 8 Pg. 254<br />
89
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