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NTN - Large Bearings

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Double Row Tapered Roller <strong>Bearings</strong> (Outside Direction)<br />

Sb<br />

Db<br />

r1a<br />

ra<br />

da<br />

Equivalent bearing load<br />

dynamic<br />

PrXFrYFa<br />

Fa<br />

Fr<br />

e<br />

Fa<br />

e Fr<br />

X Y X Y<br />

1 Y1 0.67 Y2<br />

static<br />

PorFrYoFa<br />

For values of e, Y2 and Yo<br />

see the table below.<br />

Abutment and fillet dimensions Load Constant Axial load factors Mass<br />

center<br />

mm mm kg<br />

d a D b S b r as r las<br />

min min min max max a e Y 1 Y 2 Y o (approx.)<br />

448 586 8 5 2 200 0.37 1.80 2.69 1.76 135<br />

448 583 19 5 2 220 0.37 1.80 2.69 1.76 172<br />

448 655 12 5 2.5 258 0.40 1.68 2.50 1.64 317<br />

448 649 37 5 2 245 0.32 2.12 3.15 2.07 387<br />

448 659 28 5 2.5 287 0.40 1.68 2.50 1.64 394<br />

468 618 8.5 5 2.5 208 0.37 1.80 2.69 1.76 160<br />

468 614 19.5 5 2.5 229 0.37 1.80 2.69 1.76 198<br />

468 675 12.5 5 2.5 263 0.40 1.68 2.50 1.64 330<br />

468 678 28.5 5 2.5 288 0.40 1.68 2.50 1.64 412<br />

488 646 9 5 2.5 217 0.37 1.80 2.69 1.76 179<br />

488 644 20.5 5 2.5 239 0.37 1.80 2.69 1.76 225<br />

496 714 13 6 3 276 0.40 1.68 2.50 1.64 395<br />

496 712 30 6 3 305 0.40 1.68 2.50 1.64 493<br />

508 665 9 5 2.5 223 0.37 1.80 2.69 1.76 189<br />

508 664 20.5 5 2.5 246 0.37 1.80 2.69 1.76 236<br />

516 743 13.5 6 3 281 0.40 1.68 2.50 1.64 442<br />

516 738 31 6 3 329 0.40 1.68 2.50 1.64 548<br />

522 637 25 4 2 242 0.40 1.68 2.50 1.64 175<br />

528 686 9 5 2.5 230 0.37 1.80 2.69 1.76 202<br />

528 683 21 5 2.5 250 0.37 1.80 2.69 1.76 247<br />

536 780 14.5 6 3 296 0.40 1.68 2.50 1.64 528<br />

536 773 33 6 3 331 0.40 1.68 2.50 1.64 678<br />

558 740 11 5 2.5 250 0.37 1.80 2.69 1.76 265<br />

558 738.5 23 5 2.5 276 0.37 1.80 2.69 1.76 331<br />

566 820 16.5 6 3 303 0.38 1.77 2.64 1.73 620<br />

566 822.5 34 6 3 340 0.39 1.74 2.59 1.70 774<br />

588 709 22.5 5 1.5 257 0.35 1.95 2.90 1.91 232<br />

588 705.5 25 5 1.5 231 0.34 1.98 2.94 1.93 198<br />

588 777 11 5 2.5 277 0.39 1.74 2.59 1.70 340<br />

588 774 24.5 5 2.5 272 0.33 2.03 3.02 1.98 415<br />

596 865 17 6 3 326 0.40 1.68 2.50 1.64 1,310<br />

596 865 35 6 3 362 0.40 1.68 2.50 1.64 894<br />

B-137

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