KOYO BEARING
| d | Boundary dimensions (mm) | Ew | Basic load ratings (kN) Cr C0r | Fatigue load limit (kN) Cu | Bearing No. NN NNU Cylindrical Cylindrical bore bore | De- sign |
min. | Mounting dimensions (mm) da db Da max. min. max. min. | ra max. | (Refer.) Mass (kg) Cylindrical bore | |||||||||||
| D B | r min. | ||||||||||||||||||||
| 420 | 560 600 620 620 | 140 220 150 200 | 4 5 5 5 | 460 470
473 | — 570 — | 1 3 2 3 | 670 700 310 050 | 4 9 4 6 | 290 060 570 570 | 413 856 449 629 | — — NN3084 — | NNU4984 84DC60220
NNU4084-1 | 2 2-P 1 2 | 436 440 440 440 | 457 465
468 | 465 476
479 | 544 580 600 600 | 574 — | 3 4 4 4 | 96.7 204 154 203 | |
| 430 | 750 | 280 | 7.5 | 515 | 6 | 040 | 12 | 100 | 1 110 | — | 86DC75280 | 2-P | 462 | 508 | 521 | 718 | — | 6 | 539 | ||
| 440 | 600 620 650 650 | 160 225 212 230 | 4 4 6 6 | 487 487 493 495 | — | 2 3 3 4 | 060 950 430 030 | 5 9 7 9 | 000 980 530 320 | 477 921 707 875 | — — —
— | NNU4988 88DC62225 NNU4088A 88NNU65230 | 2 2-P 2 2-P | 456 456 464 464 | 483 483 488 489 | 492 492 501 502 | 584 604
626 | — — —
— | 3 3 5 5 | 133 220 240 265 | |
| 460 | 620 | 160 | 4 | 502 | — | 2 | 250 | 5 | 440 | 516 | — | NNU4992 | 2 | 476 | 498 | 507 | 604 | — | 3 | 136 | |
| 480 | 680 | 280 | 6 | 527 | 5 | 160 | 12 | 900 | 1 150 | — | 96NNU68280 | 2-P | 504 | 521 | 531 | 656 | — | 5 | 325 | ||
| 500 | 670 680 720 720 | 170 210 270 300 | 5 5 8 7 | 545 547 556 556 | — | 2 3 4 5 | 940 810 740 580 | 7 9 11 14 | 660 870 400 100 | 706 891 1 040 1 260 | — — —
— | 100DC67170A 100NNU68210 100DC72270A 100DC72300B | 2-P 2-P 2-P 2-P | 520 520 532 532 | 541 542 551 551 | 551 552 565 561 | 650 660 688 688 | — — —
— | 4 4 6 5.5 | 171 225 353 405 | |
| 508 | 749.3 | 355.6 | 6 | 566 | — | 7 | 350 | 18 | 300 | 1 600 | — | 102DC75356 | 2-P | 532 | 560 | 573 | 725 | — | 5 | 540 | |
| 560 | 735 750 | 170 190 | 5 5 | 604.6 613 | — | 3 3 | 040 190 | 7 7 | 730 940 | 694 714 | — — | 112DC74170 NNU49/560 | 2-P 2 | 580 580 | 598 608 | 609 619 | 715 730 | — — | 4 4 | 194 233 | |
| 600 | 800 870 | 200 200 | 5 6 | 652 | 801 | 3 3 | 500 940 | 8 8 | 630 450 | 762 746 | NN30/600 | NNU49/600 — | 2 1 | 620 624 | 647 | 658 | 780 846 | 807 | 4 5 | 272 388 | |
| 630 | 780 | 150 | 4 | 671 | 2 | 430 | 6 | 800 | 591 | — | NNU48/630 | 2 | 646 | 667 | 676 | 764 | — | 3 | 154 | ||
| 640 | 890 | 320 | 6 | 705 | 7 | 330 | 19 | 900 | 1 650 | — | 128DC89320 | 2-P | 664 | 699 | 713 | 866 | — | 5 | 625 | ||
| 670 | 900 | 230 | 6 | 732 | 5 | 270 | 14 | 100 | 1 190 | — | NNU49/670 | 2-P | 694 | 726 | 740 | 876 | — | 5 | 420 | ||
CMTG BEARING CO.,LIMITED. has been engaged in bearing industry for many years, we provide a wide selections of brands, including FAG bearing, SKF bearing,NSK bearing,Nachi bearing, TIMKEN bearing, THK Linear Guide and Linear Block …ect.
Bearing typies including standard bearing and non-standard bearings, linear bearings, automotive bearings, large bearings, railway bearings,spherical plain bearings, high temperature,super-precision bearings, as well as some rare types customized to your need.
Contact us if any bearing in demand . we will check and revert ASAP.
