KOYO BEAIRNG
| d | D | Boundary dimensions (mm) | Fw | Ew | Basic load ratings (kN) Cr C0r | Fatigue load limit (kN) Cu | Bearing No. 1) | De- sign | da min. | db min. |
max. | Mounting dimensions (mm) dc dd Da Db min. min. max. max. |
min. | ra max. | rb max. | (Refer.) Mass NU (N) (kg) | ||||||||||
| B | r r1 min. min. | |||||||||||||||||||||||||
| 280 | 500 | 80 5 5 | 340 | 440 | 1 | 430 | 1 | 680 | 179 | NU256 | 1~5 | 300 | 300 | 336 | 343 365 480 480 | 452 | 4 | 4 | 72.7 | |||||||
| 300 | 380 420 460 540 | 60 56 74 85 | 2.1 3 4 5 | 2.1 3 4 5 | 322 332 340 364 | — — — 476 | 1 1 | 682 635 120 690 | 1 1 1 | 300 873 380 960 | 134 96.0 147 206 | NU3860 NU1960 NU1060 NU260 | 1 1, 2 1, 3 1~5 | 311 313 316 320 | 311 313 316 320 | 319 328 337 361 | 325 335 344 368 | — — — 392 | 369 407 444 520 | 369 407
520 | — — — 487 | 2 2.5 3 4 | 2 2.5 3 4 | 16.6 23.3 44.1 90.7 | ||
| 320 | 480 580 670 | 74 92 112 | 4 5 7.5 | 4 5 7.5 | 360 390 425 | 510 | 1 1 2 | 150 920 460 | 1 2 2 | 450 270 880 | 152 232 287 | NU1064 NU264 NU364 | 1, 3 1~5 1 | 336 340 352 | 336 340 352 | 356 386 419 | 365 393 428 | 419 | 464 560 638 | 560 638 | 522 575 | 3 4 6 | 3 4 6 | 48.4 114 199 | ||
| 340 | 420 460 460 520 | 60 56 72 82 | 2.1 3 3 5 | 2.1 3 3 5 | 362 370 372 385 | — — — — |
1 | 784 756 999 370 | 1 1 1 1 | 500 080 620 750 | 150 114 168 183 | NU3868 NU1968 NU2968 NU1068 | 1 1 1, 3 1~3 | 351 353 353 360 | 351 353 353 360 | 359 366 368 381 | 365 373 375 390 | 409 447 447 500 | 409 447 447 | 434 432 | 2 2.5 2.5 4 | 2 2.5 2.5 4 | 18.1 25.7 34.7 64.1 | |||
| 360 | 440 480 480 540 540 | 38 56 72 82 134 | 2.1 3 3 5 5 | 2.1 3 3 5 5 | 380 392 393 405 413 | — — — — — | 1 1 2 | 426 708 060 410 470 | 1 1 1 4 | 692 060 820 830 180 | 66.3 111 182 189 396 | NU1872 NU1972 NU2972 NU1072 NU3072 | 1 1 1 1, 3 1 | 371 373 373 380 380 | 371 373 373 380 380 | 378 388 390 401 407 | 383 395 396 410 416 | 429 467 467 520 520 | 429 467 467
520 | 424 451 — — | 2 2.5 2.5 4 4 | 2 2.5 2.5 4 4 | 11.7 27.3 37.2 67.1 111 | |||
| 380 | 480 560 | 75 2.1 2.1 82 5 5 | 405 425 | — — | 1 1 | 070 440 | 1 1 | 970 920 | 193 195 | NU3876 NU1076 | 1 1, 3 | 391 400 | 391 400 | 401 421 | 408 — 430 — | 469 540 | 469 | — — | 2 4 | 2 4 | 32.3 70.1 | |||||
| 400 | 600 600 | 90 148 | 5 5 | 5 5 | 450 450 | — — | 1 2 | 760 830 | 2 4 | 310 370 | 229 407 | NU1080 NU3080 | 1, 3 1 | 420 420 | 420 420 | 446 443 | 455 — 453 — | 580 580 | 580 | — — | 4 4 | 4 4 | 91.0 148 | |||
| 420 | 620 | 90 5 5 | 470 | — | 1 | 750 | 2 | 320 | 228 | NU1084 | 1, 3 | 440 | 440 | 466 | 475 — 600 — | — | 4 | 4 | 94.6 | |||||||
| 460 | 620 | 74 4 4 | 500 | — | 1 | 320 | 1 | 990 | 193 | NU1992 | 1 | 476 | 476 | 495 | 503 — 604 604 | 585 | 3 | 3 | 60.8 | |||||||
| 480 | 650 | 78 5 5 | 525 | — | 1 | 410 | 2 | 200 | 211 | NU1996 | 1 | 500 | 500 | 520 | 529 — 630 630 | — | 4 | 4 | 72.7 | |||||||
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.
