Double Row Cylindrical Roller Bearing
The rollers of two-row cylindrical roller bearings are crossing arranged. While rotating, the wave ratio is one time higher than single-row cylindrical roller bearings. However, the vibration ratio decreases 70%. And due to its two-row roller arrangement, compared with single-row cylindrical roller bearings, they are able to bear extremely higher load capacity.
Based on the different bore types, ZWA’s double-row cylindrical roller bearings are divided into two types, one is with cylindrical bore and the other is with a tapered bore. Based on a different arrangement of flanges on the inner ring and outer ring, and also the cage design, ZWA’s double-row cylindrical roller bearings are divided into NNU, NN, and NNUP types. For NNU type, there are ribs on both sides of the outer ring but no ribs on the inner ring. For NN type, there are ribs on both sides of the inner ring but no ribs on the outer ring. For NNUP type, there ribs on both sides of the outer ring, and ribs on one inner ring. While mounting the NNUP types, do make the marked ribs outward. In general, NU and NN type are used on the free end and NUP types on fixed end.
ZWA offers double row roller bearingboth with machined brass and steel cages.In addition, ZWA also provides customers with double row ball bearing chartof different double row ball bearing number, as well as types of rolling contact bearing.With continuous efforts in improving on the quality, ZWA has helped the customers realized the following goals by providing two-row cylindrical roller bearings:
Reduce the cost
Increase productivity
Prolong the equipment service life
Improve the sustainability
The features of two-row cylindrical roller bearings are as follows
Compact internal structure
Higher stiffness
Higher load capacity ability
Small deformation after high load
Lower friction
Longer service life
Improve the operational reliability
Separable and interchangeable
High-speed ability
Application of two-row cylindrical roller bearings are as follows:
The spindle of tooling machine, rolling mills, gearboxes, grinding machines and so on.
Send product request
Other supplier products
 |
Cylindrical Roller Thrust Bearing | Cylindrical roller thrust bearingsconsist of rollers, cage components, shaft ring and housing ring. Those components are separable which makes the ... |
 |
Thrust Spherical Roller Bearings | Spherical roller thrust bearingare a kind of separable bearings with rolling-element bearing of thrust type. With this feature, it’s possible... |
 |
Four Row Cylindrical Roller Bearing | Four row cylindrical roller bearingare kind of separable bearings. The rings and roller components are easily separable. With this feature, the was... |
 |
Four Row Cylindrical Roller Bearing | Four-row cylindrical roller bearings are kind of separable bearings. The rings and roller components are easily separable. With this feature, the w... |
 |
Split Bearings | Split roller bearings are specially designed based on the original spherical roller bearings and cylindrical bearings. The aim of split bearings is... |
Same products
 |
Microcrystalline wax used for rubber plastic processing and modification | Seller: Syntop chemical Co.,Ltd. | Microcrystalline wax has a wide range of industrial applications, primarily in the areas of rubbe... |
 |
Microcrystalline wax 80A used for lubrication and demolding | Seller: Syntop chemical Co.,Ltd. | The core industrial applications of microcrystalline wax 80A are primarily focused on rubber prot... |
 |
Tyvek Flat Roll Pouch | Seller: Hopeway AMD | Tyvek Flat Roll Pouch is designed for professional sterilization packaging, offering clean handli... |
 |
Industrial Warehouse Ceiling Fans | Seller: Hebei Windmax Power Technology Co., Ltd. | Industrial Warehouse Ceiling Fans Industrial Warehouse Ceiling Fans for Warehouses, Logis... |
 |
HVLS Ceiling Fan for Railway Station | Seller: Hebei Windmax Power Technology Co., Ltd. | HVLS Ceiling Fan for Railway Station for Railway Station All units are CE-certified, manufa... |
