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 177.800206.375mm<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 />
177.800<br />
179.975<br />
187.325<br />
190.500<br />
193.675<br />
200.025<br />
203.200<br />
204.788<br />
288.925 63.500 63.500 47.625 550 950 56,000 97,000<br />
288.925 63.500 63.500 47.625 680 1,070 69,000 109,000<br />
289.974 63.500 63.500 48.000 680 1,070 69,000 109,000<br />
319.964 88.900 85.725 65.088 930 1,400 94,500 142,000<br />
428.625 106.362 95.250 61.912 1,190 1,610 122,000 165,000<br />
317.500 63.500 63.500 46.038 615 1,160 63,000 118,000<br />
282.575 50.800 47.625 36.512 365 615 37,000 63,000<br />
319.964 88.900 85.725 65.088 925 1,400 94,500 142,000<br />
320.675 88.900 85.725 65.088 925 1,400 94,500 142,000<br />
282.575 50.800 47.625 36.512 365 615 37,000 63,000<br />
317.500 63.500 63.500 46.038 615 1,160 63,000 118,000<br />
336.550 98.425 95.250 73.025 1,030 1,830 105,000 187,000<br />
365.049 92.075 88.897 63.500 975 1,600 99,500 164,000<br />
428.625 106.362 95.250 61.912 1,190 1,610 122,000 165,000<br />
282.575 50.800 47.625 36.512 365 615 37,000 63,000<br />
292.100 57.945 57.945 46.038 535 1,030 54,500 105,000<br />
317.500 63.500 63.500 46.038 615 1,160 63,000 118,000<br />
384.175 112.712 112.712 90.488 1,460 2,730 149,000 279,000<br />
393.700 111.125 111.125 84.138 1,340 2,020 137,000 206,000<br />
276.225 42.862 42.862 34.133 340 690 35,000 70,500<br />
282.575 46.038 46.038 36.512 360 785 37,000 80,000<br />
292.100 57.945 57.945 46.038 535 1,030 54,500 105,000<br />
317.500 63.500 63.500 46.038 615 1,160 63,000 118,000<br />
346.075 79.375 80.962 60.325 900 1,460 92,000 149,000<br />
365.049 92.075 88.897 63.500 975 1,600 99,500 164,000<br />
406.400 92.075 85.725 57.150 960 1,480 98,000 151,000<br />
482.600 117.475 95.250 73.025 1,310 1,860 134,000 190,000<br />
292.100 57.945 57.945 46.038 535 1,030 54,500 105,000<br />
282.575 46.038 46.038 36.512 360 785 37,000 80,000<br />
206.375 336.550 98.425 100.012 77.788 1,110 2,030 113,000 207,000<br />
482.600 117.475 95.250 73.025 1,310 1,860 134,000 190,000<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-108
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