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ZWA Double-row Cylindrical Roller Bearing

Double-row Cylindrical Roller Bearing

B0RE 380-480mm

Double-row cylindrical roller bearing has cylindrical and tapered hole (code K) two structures. There are two main types in ZWA :NNU design and NN design. N Double inner rib and no outer rib. NNU type design inner ring without baffle and outer ring with double baffle. The tapered hole structure can adjust the radial clearance during installation.

Basic Type

double-row cylindrical roller bearing
double-row cylindrical roller bearing
double-row cylindrical roller bearing
double-row cylindrical roller bearing

the products include

Double-row Cylindrical Roller Bearing
d 380-480mm
Basic Size Basic load rating Designation(Design) Abutment and chamfer dimensions Mass
d D B rsmin FW EW dynamic static Cylindrical bore Tapered bore da(2) d1a dc min Da ra max
C Co
mm kN mm kg
380 520 140 4 - 485 1880 4600 NN4976 NN4976K 404 416 - 493 3 81.3
380 520 140 4 421 - 1880 4600 NNU4976 - 404 - 428 493 3 88.8
380 560 135 5 - 513 1770 3700 NN3076 NN3076K 408 420 - 529 4 113
380 560 180 5 - 513 2650 6200 NN4076 NN4076K 408 424 - 529 4 142
380 560 180 5 433 - 2650 6200 NNU4076 - 408 - 440 529 4 153
380 620 194 5 - 559 2620 4950 NN3176 NN3176K 408 425 - 588 4 224
380 620 194 5 449 - 2620 4950 NNU3176 - 408 - 456 588 4 228
400 500 100 2.1 430 - 905 2540 NNU4880 - 420 - 437 479 2 45.7
400 540 106 4 - 504 1290 2890 NN3980 - 425 - - 513 3 68.7
400 540 140 4 - 505 1940 4900 NN4980 NN4980K 425 437 - 513 3 84.1
400 540 140 4 446 - 1790 4600 NNU4980 NNU4980K 425 437 453 513 3 93.6
400 600 148 5 - 548 2090 4300 NN3080 NN3080K 429 441 - 568 4 147
400 600 200 5 456 - 2840 6050 NNU4080 - 429 - 463 568 4 201
400 650 200 6 474 - 2770 5400 NNU3180 - 435 - 481 611 5 262
420 560 106 4 - 522 1280 2900 NN3984 - 445 - - 533 3 71.2
420 560 140 4 - 525 2000 5150 NN4984 NN4984K 445 457 - 533 3 87.9
420 560 140 4 461 - 2000 5150 NNU4984 - 445 - 468 533 3 97.2
420 620 150 5 - 568 2130 4450 NN3084 NN3084K 449 462 - 588 4 154
420 620 150 5 478 - 2130 4450 NNU3084 NNU3084K 449 462 485 588 4 155
420 620 200 5 - 571 3150 7100 NN4084 NN4084K 449 466 - 588 4 189
420 620 200 5 475 - 3400 7850 NNU4084 - 449 - 482 588 4 209
420 700 224 6 501 - 3550 6800 NNU3184 - 455 - 508 660 5 347
440 540 100 2.1 470 - 950 2790 NNU4888 - 461 - 477 518 2 49.5
440 650 157 6 - 596 2360 4900 NN3088 NN3088K 476 489 - 611 5 177
440 650 157 6 500 - 2360 4900 NNU3088 - 476 - 507 611 5 178
440 720 226 6 - 649 3500 6800 NN3188 NN3188K 476 495 - 680 5 357
460 620 118 4 - 578 1610 3700 NN3992 NN3992K 486 496 - 591 3 94.5
460 620 160 4 507 - 2400 6200 NNU4992 NNU4992K 486 500 514 591 3 140
460 680 163 6 - 623 2550 5350 NN3092 NN3092K 496 510 - 640 5 202
480 650 170 5 - 607 2690 7000 NN4996 NN4996K 510 525 - 617 4 164
480 700 165 6 - 643 2600 5550 NN3096 - 517 - - 660 5 211
480 790 248 7.5 - 708 4050 8100 NN3196 NN3196K 523 544 - 742 6 447

Targeting at producing high-quality Bearings.

ZWA Chinese best bearing manufacturer

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