Slewing Bearing

Slewing bearing is identical to ordinary bearings, it assembly by rings and rollers. On the other hand, compare to normal bearings, slewing bearing has a lot of dissimilarities. Normally, slewing bearing features huge dimensions, OD usually betwwen 0.4m to 10m, plus some even to 40m. Under normal instances, slewing bearing operating in a low speed, high load state. Slewing bearing includes installation holes, lubricating holes and sealing system. It has small stucture, convenience to guide rotate, simple set up and easy protection etc.

EPT slewing ring bearings can be found in many models with internal, external or perhaps without gear. The reduced cross section, heavy load potential and integrated gear make these bearings great structure components. Slewing ring bearings are widely used in engineering machinery, mining apparatus and many other industrial products.
Slewing bearing is certainly a sizable of bearing with unique structure that could bear integrated load just like axle load, radial load and overturning load. It combines support, rotating, transmission, fixed, sealed, anti-corrosion and various other functions into one device. Widely used in lifting machinery, building machinery, tranny machinery, mining and metallurgy machinery, medical equipment and radar, ship, wind power and different industries.

Slewing Ring Bearings will be precision built to manage many different load types including radial, axial, moment or a combination of every. Their unique construction and small footprint help facilitate ease of mounting and maintenance. Seals are common for retaining grease and keeping contaminants out. Re-lubricating holes are integrated into the style, evenly distributed around the bearing, to allow for grease replenishment which facilitates reduce friction and have on and extend bearing lifestyle.
The Single-Row Ball type Slewing Ring have four points with one row. They could bear axial load, radial load and tilting instant concurrently. And they are made up of two seat bands, which design in compact structure and light weight, steel ball contact with the circular raceway at four points. There are three types of the kind of single row 4 factors 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 perhaps in combination and in virtually any direction. Therefore, it is possible to replace the combination arrangement of radial and axial bearings by a single bearing, which will measurably reduce the overall price and simplify the look. Slewing rings are sealed on both sides, lubricated with high quality grease, can be relubricated via lubrication nipples and are particularly simple to install.

The ball size is generally chosen with regards 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 ensure correct variety for the slewing bearing. The Shaft Clamp china material selection is done based on the input parameters and the necessity of the client. Generally, the material selected for slew ring can be C45 and En19 or 42CrMO4. Excavator and crawler applications along with the boom cranes generally have the materials as 50Mn. The balls are constructed with High chromium metal, generally denoted by 100Cr6 and the cages are made of either nylon 6 or nylon 66 depending on the load conditions.
We makes slewing band bearings for use in many different demanding industries such as for example heavy equipment, oil and gas, medical systems, renewable strength and semiconductor production. These versatile bearings happen to be specifically designed to handle large, large, slow-oscillating loads like those in cranes, booms and lifts, yet can even be used in high-reliability applications such as for example CT scanners and commercial positioners.


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As one of leading manufacturers, suppliers and exporters of mechanical products in China, We offer reducers, sprockets, industrial and conveyor chain, belts, pulleys, gears, racks, gearboxes, motors, PTO Shafts, taper lock Bushing, vacuum Pumps, screw air compressors and many other products. Please contact us for details.

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