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ZWA
Double-row
Cylindrical Roller Bearing

Double-row Cylindrical Roller Bearing

BORE 280-360mm

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 280-360mm
Basic SizeBasic load ratingDesignation(Design)Abutment and chamfer dimensionsMass
dDBrsminFWEWdynamicstaticCylindrical boreTapered boreda(2)d1adc
min
Dara
max
CCo
mmkNmmkg
280350691.1-3294451160NN4856-293--336115.3
280380752.1-3556951460NN3956NN3956K297304-361222.7
2803801002.1-3559602230NN4956NN4956K297306-361232.9
2803801002.1309-9602230NNU4956NNU4956K297306315361233
2804201064-38410802080NN3056NN3056K302311-395351.1
2804201064320-10802080NNU3056-302-326395351.4
2804601465-41315202790NN3156NN3156K306319-431495.7
300380802.1324-6901760NNU4860-318-331361221.7
3004201183-38812302870NN4960NN4960K320330-3982.551.6
3004201183336-12302870NNU4960NNU4960K3203303433982.551.9
3004601184-41812902460NN3060NN3060K323333-435370.7
3004601604-41819204100NN4060NN4060K323336-435397.6
3005001605-44817603150NN3160NN3160K327340-4704125
3005001605358-17603150NNU3160-327-3654704126
320400802.1344-7001840NNU4864-338-351381222.8
3204401183-40812603050NN4964NN4964K340350-4182.550.2
3204401183356-12603050NNU4964NNU4964K3403503634182.554.9
3204801214-43813502670NN3064NN3064K343354-454376.6
3204801214366-13502670NNU3064NNU3064K343354373454376.9
3204801604367-19604300NNU4064-343-3744543103
3205401765384-20903750NNU3164NNU3164K3473623915094154
340460903-4289052020NN3968NN3968K361368-4382.542.9
3404601183-42813503400NN4968NN4968K361371-4382.552.1
3404601183376-13503400NNU4968-361-3834382.557.8
3405201335-47316703300NN3068NN3068K368379-4904102
3405201335393-16703300NNU3068-368-4004904103
3405201805393-24205350NNU4068-368-4004904141
360480903-4489302130NN3972-381--4572.544.9
3604801183396-13903550NNU4972-381-4034572.560.6
3605401345-49317003450NN3072NN3072K388399-5094106
3605401345413-17003450NNU3072-388-4205094108
3605401805-49625305450NN4072NN4072K388403-5094132

Targeting at producing high-quality Bearings.

ZWA Chinese best bearing manufacturer

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