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ZWA Double-row Cylindrical Roller Bearing

Double-row Cylindrical Roller Bearing

bore 500-850mm

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.

THE products include

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 500-850mm
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
500 670 170 5 554 - 2720 7200 NNU49/500 - 531 - 558 637 4 171
500 720 167 6 - 664 2580 5600 NN30/500 NN30/500K 537 551 - 680 5 205
500 720 167 6 563 - 2580 5600 NNU30/500 - 537 - 570 680 5 220
530 710 136 5 - 663 2040 4900 NNU39/530 - 561 - - 676 4 149
530 710 180 5 575 - 2900 7050 NN49/530 NNU49/530K 561 574 582 676 4 202
530 780 185 6 - 715 3200 6900 NNU30/530 NN30/530K 568 583 - 738 5 296
560 750 190 5 623 - 3250 8700 NNU49/560 - 592 - 624 715 4 239
560 820 258 6 - 745 4100 10600 NN40/560 - 598 - - 778 5 472
560 920 280 7.5 650 - 6850 13700 NNU31/560 - 604 - 657 870 6 738
600 800 200 5 659 - 3850 10500 NNU49/600 - 633 - 666 764 4 284
630 780 150 4 676 - 2290 7000 NNU48/630 - 659 - 683 748 3 160
630 850 218 6 - 793 4200 11400 NN49/630 NN49/630K 670 688 - 807 5 328
630 850 218 6 704 - 4000 10800 NNU49/630 NNU49/630K 670 688 711 807 5 356
670 900 230 6 - 838 4150 11500 NN49/670 - 710 - - 856 5 419
710 870 160 4 759 - 2640 8350 NNU48/710 - 741 - 766 836 3 203
800 1060 258 6 884 - 5700 16500 NNU49/800 NNU49/800K 843 865 886 1013 5 614
850 1030 180 5 905 - 3400 11400 NNU48/850 - 888 - 912 989 4 310

Targeting at producing high-quality Bearings.

ZWA Chinese best bearing manufacturer

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