Full CoMPleMent wItH needle roller

NEEDLE Roller BearingsCCYLINDRICAL ROLLER THRUST BEARINGS• Check for availability.• The NTHA thrust cylindrical roller bearing consists of an NTHcage and roller assembly, one bore piloted washer and oneO.D. piloted washer. The NTHA bearing is identified and sold asa unit, and is manufactured to inch nominal dimensions only.• Load ratings given are identical to the corresponding NTHthrust cylindrical roller and cage assembly.• It is suggested that the cage and roller assemblybe bore piloted when applying NTHA bearings. When differentarrangements of piloting are required, please contact yourTimken representative.• Back-up sufaces should be flat and square with the centerline of the shaft.• To order individual thrust washers see washer designationbelow.rrd 1dD 1DNTHAhhTD dimensions mm/in.Shaft Shaft Piloted Washer Housing Piloted Washer Bearing BearingDiameter Min. Max. Nom. Max. Min. Nom. designation Wt. kg/lbs.in. d d 1 d d 1 T1 1 / 2 38.082 38.100 74.613 76.218 76.200 39.688 20.62 NTHA-2448 0.471.4993 1.5000 2 15 / 16 3.0007 3.0000 1 9 / 16 0.812 1.032 50.775 50.800 90.488 92.098 92.075 52.388 25.40 NTHA-3258 0.761.9990 2.0000 3 9 / 16 3.6259 3.6250 2 1 / 16 1.000 1.682 1 / 8 53.950 53.975 93.663 95.278 95.250 55.563 25.40 NTHA-3460 0.802.1240 2.1250 3 11 / 16 3.7511 3.7500 2 3 / 16 1.000 1.762 1 / 4 57.122 57.150 96.838 98.453 98.425 58.738 25.40 NTHA-3662 0.832.2489 2.2500 3 13 / 16 3.8761 3.8750 2 5 / 16 1.000 1.842 3 / 8 60.297 60.325 100.013 101.628 101.600 61.913 25.40 NTHA-3864 0.872.3739 2.3750 3 15 / 16 4.0011 4.0000 2 7 / 16 1.000 1.912 1 / 2 63.472 63.500 103.188 104.808 104.775 65.088 25.40 NTHA-4066 0.902.4989 2.5000 4 1 / 16 4.1263 4.1250 2 9 / 16 1.000 1.992 5 / 8 66.645 66.675 108.744 110.345 110.312 68.263 25.40 NTHA-4270 1.012.6238 2.6250 4 9 / 32 4.3443 4.3430 2 11 / 16 1.000 2.222 3 / 4 69.820 69.850 111.919 113.520 113.487 71.438 25.40 NTHA-4472 1.042.7488 2.7500 4 13 / 32 4.4693 4.4680 2 13 / 16 1.000 2.293 76.170 76.200 118.269 119.875 119.837 77.788 25.40 NTHA-4876 1.122.9988 3.0000 4 21 / 32 4.7195 4.7180 3 1 / 16 1.000 2.463 1 / 4 82.517 82.550 124.619 126.225 126.187 84.138 25.40 NTHA-5280 1.193.2487 3.2500 4 29 / 32 4.9695 4.9680 3 5 / 16 1.000 2.623 1 / 2 88.867 88.900 130.969 132.575 132.537 90.488 25.40 NTHA-5684 1.273.4987 3.5000 5 5 / 32 5.2195 5.2180 3 9 / 16 1.000 2.80A•C282 TIMKEN PRODUCTS CATALOG