Slewing Bearing

Slewing bearing is same as regular bearings, it assembly by rings and rollers. Even so, compare to normal bearings, slewing bearing includes a lot of dissimilarities. Normally, slewing bearing has huge dimensions, OD usually betwwen 0.4m to 10m, plus some even to 40m. Under normal circumstances, slewing bearing working in a low speed, high load state. Slewing bearing includes mounting holes, lubricating holes and sealing machine. It has compact stucture, convenience to steer rotate, simple set up and easy maintenance etc.

EPT slewing band bearings are available in many patterns with internal, external or without gear. The low cross section, heavy load capability and integrated gear make these bearings ideal structure components. Slewing ring bearings are trusted in engineering machinery, mining products and several other industrial products.
Slewing bearing is certainly a big of bearing with distinctive structure that can bear integrated load just like axle load, radial load and overturning load. It combines support, rotating, transmission, fixed, sealed, anti-corrosion and additional functions into one unit. Widely used in lifting machinery, engineering machinery, tranny machinery, mining and metallurgy machinery, medical gear and radar, deliver, wind power and additional industries.

Slewing Ring Bearings will be precision built to manage various load types including radial, axial, moment or perhaps a combination of each. Their particular construction and compact footprint help facilitate ease of mounting and protection. Seals are typical for retaining grease and keeping contaminants out. Re-lubricating holes are integrated into the design, evenly distributed around the bearing, to allow for grease replenishment which assists reduce friction and wear and extend bearing life.
The Single-Row Ball type Slewing Band have four points with one row. They could bear axial load, radial load and tilting point in time as well. And they are made up of two seat rings, which design in small structure and light weight, steel ball contact with the circular raceway at four factors. There are three types of the kind of single row 4 things get in touch with ball slewing bearing: without gear bearing (non tooth), external gear bearing (external tooth), and Internal gear bearing (internal tooth).
EPT slewing ring bearings can support radial, axial and tilting second loads acting either singly or in combination and in virtually any direction. Therefore, you’ll be able to replace the combination arrangement of radial and axial bearings by an individual bearing, that will measurably reduce the overall expense and simplify the design. Slewing rings happen to be sealed on both sides, lubricated with top quality grease, can be relubricated via lubrication nipples and are particularly easy to install.

The ball size is normally chosen with respect to the axial load and radial load coming on the Slewing bearing. It varies from 10 mm to 60 mm. The loads will be calculated using software to make sure correct assortment for the slewing bearing. The material variety is done based on the type parameters and the necessity of the customer. Generally, the material selected for slew ring can be C45 and En19 or 42CrMO4. Excavator and crawler applications in addition to the boom cranes generally possess the material as 50Mn. The balls are created from High chromium metal, generally denoted by 100Cr6 and the cages are made from either nylon 6 or nylon 66 according to the load conditions.
We makes slewing band bearings for use in many different demanding industries such as heavy equipment, oil and gas, medical systems, renewable energy and semiconductor manufacturing. These versatile bearings are specifically made to handle large, major, slow-oscillating loads like those in cranes, booms and lifts, yet can even be used in high-precision applications such as for example CT scanners and professional positioners.


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