NTN - Large Bearings
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Double Row Tapered Roller <strong>Bearings</strong> (Outside Direction)<br />
Metric system sizes<br />
B1<br />
C<br />
r1<br />
r<br />
D<br />
d<br />
a<br />
d 420560mm<br />
Boundary dimensions Basic load ratings Bearing<br />
dynamic static dynamic static numbers<br />
mm kN kgf<br />
d D B 1 C r s min<br />
1<br />
r ls min<br />
1<br />
C r C or C r C or<br />
420<br />
440<br />
460<br />
480<br />
500<br />
530<br />
560<br />
620 150 134 6 2 2,110 4,250 215,000 435,000 413084<br />
620 188 150 6 2 2,650 5,900 270,000 600,000 423084<br />
700 224 200 6 3 3,700 7,200 375,000 735,000 413184<br />
700 274 200 6 2.5 4,850 9,850 495,000 1,000,000 CRI-8403<br />
700 280 224 6 3 4,800 9,700 490,000 990,000 423184<br />
650 157 140 6 3 2,470 5,150 252,000 525,000 413088<br />
650 196 157 6 3 2,600 5,450 266,000 560,000 423088<br />
720 226 201 6 3 4,000 7,800 410,000 795,000 413188<br />
720 283 226 6 3 5,000 10,300 510,000 1,050,000 423188<br />
680 163 145 6 3 2,600 5,350 265,000 550,000 413092<br />
680 204 163 6 3 3,100 6,750 315,000 685,000 423092<br />
760 240 214 7.5 4 4,550 9,150 465,000 930,000 413192<br />
760 300 240 7.5 4 4,900 10,300 500,000 1,050,000 423192<br />
700 165 147 6 3 2,490 5,000 254,000 510,000 413096<br />
700 206 165 6 3 3,050 6,700 310,000 685,000 423096<br />
790 248 221 7.5 4 4,800 9,600 490,000 975,000 413196<br />
790 310 248 7.5 4 5,300 11,100 540,000 1,130,000 423196<br />
670 180 130 5 2 2,400 6,100 245,000 625,000 CRI-10004<br />
720 167 149 6 3 2,610 5,400 266,000 550,000 4130/500<br />
720 209 167 6 3 3,050 6,900 315,000 700,000 4230/500<br />
830 264 235 7.5 4 5,200 10,500 530,000 1,070,000 4131/500<br />
830 330 264 7.5 4 6,400 14,000 650,000 1,420,000 4231/500G2<br />
780 185 163 6 3 2,910 5,900 297,000 600,000 4130/530<br />
780 231 185 6 3 4,050 9,050 415,000 920,000 4230/530<br />
870 272 239 7.5 4 6,000 12,200 615,000 1,240,000 4131/530G2<br />
870 340 272 7.5 4 7,750 16,700 790,000 1,710,000 4231/530AG2<br />
735 225 180 6.4 1.5 3,150 8,800 325,000 895,000 CRI-11206<br />
740 190 140 6.4 1.5 2,360 6,250 241,000 640,000 CRI-11211<br />
820 195 173 6 3 3,600 7,850 370,000 800,000 CRI-11214<br />
820 244 195 6 3 4,750 11,000 485,000 1,120,000 CRI-11213<br />
920 280 246 7.5 4 5,900 12,100 600,000 1,230,000 4131/560<br />
920 350 280 7.5 4 7,600 17,400 775,000 1,780,000 4231/560G2<br />
1 Minimum allowable dimension for chamfer dimension r or r1.<br />
Remarks: 1. Bearing numbers marked "" designate bearing with hollow rollers and pin type cages.<br />
B-136
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