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 300400mm<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 />
300<br />
320<br />
330<br />
340<br />
360<br />
380<br />
390<br />
460 148 118 5 1.5 1,610 3,150 165,000 320,000 423060<br />
500 160 142 6 2 2,010 3,600 205,000 370,000 413160<br />
500 200 160 6 2 2,100 4,050 214,000 415,000 423160<br />
540 208 158 5 2.5 2,440 4,450 249,000 450,000 CRI-6010<br />
480 121 108 5 1.5 1,190 2,250 121,000 229,000 413064<br />
480 151 121 5 1.5 1,580 3,100 162,000 315,000 423064<br />
540 176 157 6 2 2,240 4,100 228,000 415,000 413164<br />
540 220 176 6 2 2,500 4,900 255,000 500,000 423164<br />
550 240 180 5 2.5 3,300 6,500 340,000 665,000 CRI-6410<br />
500 190 150 6 1.5 2,480 5,550 252,000 565,000 CRI-6603<br />
460 160 128 3 1 1,630 4,250 167,000 430,000 CRI-6808<br />
500 249 203 5 1.5 2,690 6,200 274,000 630,000 CRI-6812<br />
520 133 118 6 2 1,480 2,870 150,000 293,000 413068<br />
520 165 133 6 2 1,890 3,750 193,000 380,000 423068<br />
580 190 169 6 2 2,690 4,900 274,000 500,000 413168<br />
580 238 190 6 2 3,350 6,500 345,000 660,000 423168<br />
540 134 120 6 2 1,470 2,810 150,000 287,000 413072<br />
540 169 134 6 2 2,050 4,200 209,000 430,000 423072<br />
600 192 171 6 2 2,720 5,050 277,000 515,000 413172<br />
600 240 192 6 2 3,200 6,500 325,000 660,000 423172<br />
508 139.7 88.9 6.4 1.5 920 2,270 94,000 232,000 CRI-7619<br />
560 135 122 6 2 1,690 3,350 172,000 340,000 413076<br />
560 171 135 6 2 2,080 4,350 213,000 445,000 423076<br />
620 194 173 6 2 2,840 5,250 289,000 535,000 413176<br />
620 241 170 5 2 3,700 7,400 380,000 755,000 CRI-7614<br />
620 243 194 6 2 3,350 6,700 340,000 685,000 423176<br />
600 185 130 4 2 2,680 5,550 273,000 565,000 CRI-7803<br />
540 140 100 6.4 1.5 1,620 3,800 165,000 390,000 CRI-8005<br />
400<br />
600 148 132 6 2 1,860 3,700 190,000 375,000 413080<br />
600 185 148 6 2 2,530 5,450 258,000 555,000 423080<br />
650 200 178 6 3 3,000 5,800 305,000 590,000 413180<br />
650 250 200 6 3 3,750 7,850 385,000 800,000 423180<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-134
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