Excavator

Excavator, also known as excavation machine, also known as Excavator, is an earth moving machine that uses a bucket to excavate materials higher or lower than the bearing surface and load them into transport vehicles or unload them to the stock yard.
The materials excavated by excavators mainly include soil, coal, sediment, as well as pre loosened soil and rock. From the development of construction machinery in recent years, the development of excavators is relatively fast, and excavators have become one of the most important construction machinery in engineering construction. The three most important parameters of an excavator are operating weight (mass), engine power, and bucket capacity.

Extractor bearings include: extractor walking bearings, extractor sliding bearings, extractor needed bearings, extractor gearbox bearings, extractor walking motor bearings, extractor walking drive bearings, extractor joint bearings, extractor sliding support bearings, and ltzc bearings used on extractors

LTZC Bearings mainly used in mining industry

• Three Row Cylindrical Roller Slewing Bearing

The Triple-row Roller Slewing Bearing has three seating rings, which separate the upper, lower and radial raceways. It can specify the loads of each row of rollers. Moreover, its load carrying capacity and it can bear different loads simultaneously.

• Double Row Ball Slewing Bearings

Double-row ball slewing ring with same diameter balls is usually used for wind driven generators and concrete pump trucks. In wind driven generator applications, double-row ball slewing ring is often installed at the bottom of propellers for variable pitch control which requires zero clearance, large start friction moment and high running accuracy.

• Four Point Contact Ball Slewing Bearing

Four-point contact ball bearing is comprised of an outer ring and an inner ring in integral structure or split structure. The two split rings of bearings in split structure are bolted together before delivery. Usually cages or spacers can be found in four-point contact ball bearings. In addition, bearings in full-filled ball structure is used only for large loads, thereby the full-filled ball structure bearings features good loading capacity and larger friction, the latter may result in scratches on the contact balls.

• Cross Cylindrical Roller Slewing Bearing

  The Single-row Crossed Roller Slewing Bearing consists of two seating rings. It has compact structure, light weight, and high manufacturing accuracy. Due to the small assembly clearances, it has high requirements for the assembly accuracy. The rollers are 1:1 cross arranged. It can bear the axial force, the overturning moment and a relatively large radial force simultaneously.
  

• Slewing Gear Ring

Slewing Gear Ring are large special structural bearings that can simultaneously withstand large axial loads, radial loads, and overturning moments. Usually, it comes with installation holes, lubricating oil holes, and sealing devices, which can meet the different needs of various hosts under different working conditions.

• Slewing Drive
  

Slewing Drive is a full cycle rotary reduction transmission mechanism that integrates a driving power source. It uses a rotary bearing as the driving follower and mechanism attachment. By attaching an active component, driving source, and cover to one of the inner and outer rings of the rotary bearing, the other ring is used as both the driving follower and the connecting base of the driven working component.  

Characteristics of excavator slewing bearings

(1) Lightweight and flexible operation with low rotational resistance

(2) Compact structure and small size (mainly height)

(3) Easy maintenance and shortened length

(4) Composed of gear rings, seals, screws, etc., it is easy to install and facilitates specialized centralized production

(5) No central pivot, other components can be installed in the middle space

Excavator Bearing supplier

LTZC Excavator bearings, providing a series of services such as research and development, design, production, and sales of Excavator bearings products.

If you are looking for excavator bearings supplier, please contact us for the latest quotation.