Slewing Bearings

It is a way to withstand the large axial load, radial load and overturning moment loads such as large-scale integrated bearings

Combination of three-row roller slewing bearing (slewing ring)

Three-row roller slewing ring has three seat down and separated from their respective radial groove, making the load of each row of rollers can be determined exactly, can withstand the various load carrying capacity is four products in the largest of the shaft, the radial structure of firm sizes are larger, especially for applications that require large diameter heavy-duty machinery, such as bucket wheel excavators, wheeled cranes, ship cranes, ladle turret, and large-tonnage cranes and other machinery on.

Double row angular contact ball slewing bearing (slewing ring)

Double-row slewing bearing has three seat, steel balls and isolation blocks can be directly discharged into the upper and lower raceway, according to stress conditions, arranged from top to bottom two rows of steel balls of different diameters.

The assembly is very easy to open, the upper and lower bearing raceway arc angles is 90 °, can withstand large axial forces and tipping moment. When the radial force is greater than 0.1 times the axial force to be specially designed raceway. Double-row slewing bearing axial and radial dimensions are large, solid structure, especially for applications that require above average diameter of the tower cranes, truck cranes and other handling machinery.

Single-row crossed roller slewing bearing (slewing ring)

Single-row crossed roller slewing ring, composed of two seat, compact, light weight, high precision manufacturing and assembly space is small, the installation of high precision cross-roller arrangement of 1:1, can withstand the axial force, the larger radial force and tipping moment. Are widely used in lifting the transport, construction machinery and military products.

Single-row four point contact ball slewing bearing (slewing ring)

Single-row four point contact ball bearing slewing ring formed by the two seat, compact, light weight, ball and four-point arc raceway contact, can withstand the axial force, radial force and tilting moment. Rotary transfer machines, welding operation machine, small and medium sized construction machinery such as cranes and excavators can be used.

 

 

 

Wheel bearing seal

Wheel bearing seal on the one hand has been filled with grease to prevent leaking, the other is to prevent outside dust, impurities and moisture intrusion inside the bearing affect their work. In slewing bearing most of the heavy work at low speed, so the seal type bearings with rubber seals and labyrinth seals two structures. The rubber seal structure itself has a simple structure, small space, sealing performance and reliable and has been widely used, but the downside is that when the rubber seal at high temperature aging of early loss of lip seal and easy, so at high temperatures work under working conditions should be adopted turntable bearing labyrinth seal.

 

Turntable bearing is a way to withstand the large axial load, radial load and overturning moment, comprehensive load, set support, rotation, transmission, fixed and other functions in a special structure of large bearings. Under normal circumstances, wheel bearings are with their own mounting holes, lubricants and seals, to meet a variety of work under different conditions the different needs of various types of host; other hand, the wheel bearing itself has a compact, rotating guide Convenience, ease of installation and maintenance easy and other characteristics, are widely used in material handling equipment, mining machines, construction machinery, port machinery, wind power generation, medical equipment, radar and missile launchers and other large rotating device.

Products

wheel bearings according to the different structural types can be divided into the following types of structural types: 1, four point contact ball slewing bearing 2, the double four-point contact ball slewing bearing 3, the cross-cylindrical roller wheel bearings 4, cross-tapered roller Slewing bearing 5, the three-row cylindrical roller combined slewing bearing

 

Size range

Minimum diameter of 80 mm diameter maximum 6070mm various structures of the wheel bearings.

 

Cage

Slewing bearing cage type used to keep a whole frame, segmented support frames or isolated cage structure of various types. Or section in which the whole cage with 20 cages of steel or cast aluminum alloy ZL102. Isolated 1010 polyamide resin cage, ZL102 cast aluminum alloy or QA110-3-1.5 aluminum bronze. Recent years, with the continuous development of nylon materials industry has also been in the sub-GRPA66.25 cage design to application.

Bearing lubrication

Most of the heavy low-speed dial bearing the working conditions of work, in general, the lubricating grease by filling pattern imposed on the bearing lubrication can be achieved very satisfactory results, the commonly used calcium-based grease with grease, lithium lubricant fat, aluminum grease, and high temperature grease, etc., the user can select the most appropriate according to the specific circumstances of the grease.

 

 

 

 ListenRead phonetically