NTN - Large Bearings
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Single Row Tapered Roller <strong>Bearings</strong><br />
Inch system sizes<br />
r1<br />
T<br />
C<br />
D<br />
B<br />
r<br />
d<br />
a<br />
d 241.300266.700mm<br />
Boundary dimensions<br />
Basic load ratings<br />
dynamic static dynamic static<br />
mm kN kgf<br />
d D T B C C r C or C r C or<br />
241.300<br />
244.475<br />
247.650<br />
249.250<br />
254.000<br />
257.175<br />
260.350<br />
263.525<br />
327.025 52.388 52.388 36.512 475 950 48,500 97,000<br />
349.148 57.150 57.150 44.450 550 1,000 56,000 103,000<br />
368.300 50.800 50.800 33.338 460 810 47,000 83,000<br />
393.700 73.817 69.850 50.005 780 1,400 79,500 143,000<br />
444.500 101.600 100.012 76.200 1,390 2,120 142,000 216,000<br />
381.000 79.375 76.200 57.150 755 1,440 77,000 147,000<br />
346.075 63.500 63.500 50.800 720 1,450 73,500 148,000<br />
368.300 50.800 50.800 33.338 460 815 47,000 83,000<br />
381.000 74.612 74.612 57.150 885 1,790 90,500 183,000<br />
406.400 115.888 117.475 93.662 1,650 3,000 168,000 305,000<br />
381.000 79.375 76.200 57.150 755 1,440 77,000 147,000<br />
323.850 22.225 22.225 15.875 126 315 12,800 32,500<br />
358.775 71.438 71.438 53.975 815 1,640 83,000 168,000<br />
365.125 58.738 58.738 42.862 615 1,190 62,500 122,000<br />
393.700 73.817 69.850 50.005 780 1,400 79,500 143,000<br />
422.275 86.121 79.771 66.675 1,160 1,800 119,000 184,000<br />
533.400 133.350 120.650 77.788 1,680 2,610 171,000 266,000<br />
342.900 57.150 57.150 44.450 580 1,270 59,000 130,000<br />
342.900 57.150 57.150 44.450 580 1,270 59,000 130,000<br />
365.125 58.738 58.738 42.862 615 1,190 62,500 122,000<br />
400.050 69.850 67.470 46.038 710 1,230 72,500 126,000<br />
419.100 85.725 84.138 61.912 925 1,610 94,000 165,000<br />
422.275 86.121 79.771 66.675 1,160 1,800 119,000 184,000<br />
488.950 120.650 120.650 92.075 1,760 2,970 180,000 305,000<br />
325.438 28.575 28.575 25.400 211 520 21,600 53,000<br />
355.600 57.150 57.150 44.450 625 1,330 64,000 136,000<br />
323.850 22.225 22.225 15.875 126 315 12,800 32,500<br />
266.700<br />
325.438 28.575 28.575 25.400 211 520 21,600 53,000<br />
355.600 57.150 57.150 44.450 625 1,340 54,000 136,000<br />
355.600 57.150 57.150 44.450 500 995 51,000 101,000<br />
393.700 73.817 69.850 50.005 780 1,400 79,500 143,000<br />
Remarks: 1. With regard to the chamfer dimensions on the back face of the inner and outer rings, installation dimensions ras and r1as are larger than the maximum value.<br />
2. Bearing numbers marked "" designate bearing with hollow rollers and pin type cages.<br />
B-112
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