China wholesaler Ball Slewing Bearing Slewing Ring Bearing 140109-00042 for Excavator 255LC-V with Good quality

Product Description

1. Company introduction 

HangZhou King Slewing Bearing Technologies Co., a professional manufacturer and exporter of excavator slewing rings, its factory is found in HangZhou town, ZheJiang Province,extremely shut to ZheJiang Port, products can be very easily transported all more than the globe.

Our main product is excavator slewing rings, we can now make much more than one thousand portion numbers to match with a lot of CZPT excavator makes, such as CATERPILLAR, KOMATSU, HITACHI, KOBELCO, HYUNDAI, VOLVO, DOOSAN, LIEBHERR, DAEWOO, JCB,Circumstance, SUMITOMO, KATO,etc. 

Our engineers have far more than twenty several years wealthy encounter in finding out excavator slewing rings and we have professional measuring crew can go to customers ‘ workplace  to evaluate the outdated or damaged slewing rings, then to generate the exact same replacements. We have our personal manufacturing facility with newest CNC equipment , such as vertical lathes, gear hobbing devices, equipment shaping machines, hole drilling mahines, quenching machines, vertical grinding devices, turning equipment,and so on. to satisfy customers’ fast shipping and delivery demands. 

We will adhere to the “top quality 1st, believability very first” company philosophy and regularly supply our clientele with exceptional high quality products and solutions. We warmly welcome buyers from all in excess of the globe to visit us and with each other to develop a better long term !

two. Our slewing rings can match with a lot more than one thousand excavator types. 

3. Our excavator element quantities as under:

four. Our excavator slewing ring images

five. Our slewing bearing packaging pictures 

six. Transportation way: By sea/ air/ rail/ street/ TNT/DHL/UPS/Fedex,ect. 

seven. Speak to details

Varieties of Ball Bearings

There are numerous sorts of Ball Bearings offered on the industry, but which one is greatest for your software? Here, we will discuss the distinctions amongst Angular make contact with, Solitary-row, Substantial-carbon steel, and Ceramic ball bearings. These types of bearings also attribute races, or a groove in the center of every. These races are crucial in retaining the balls contained inside of the cylinder. They also give a groove-baed pathway.


The ceramic ball used in ball bearings has a lot of advantages. It is lightweight, operates at reduce temperatures, has diminished skidding, and is resistant to electrolysis. The ball also displays longer tiredness life. All of these variables make the ceramic ball a very good option for a lot of apps. But, how do you know if a ceramic ball bearing is correct for your software? Study on to uncover why ceramic ball bearings are a greater choice than steel or stainless steel types.
The ceramic balls are forty% a lot more dense than metal. This signifies significantly less centrifugal drive is generated on the bearing, which suppresses warmth technology. Since of this decreased friction, ceramic bearings are far more successful at transferring power. In comparison to steel bearings, ceramic balls have for a longer time lifestyle spans. Nevertheless, these ceramic balls aren’t as strong as steel. Therefore, it is essential to comprehend the limitations of the ceramic ball bearing prior to getting one.
The ceramic components utilized for ball bearings are resistant to micro-welding. Metals endure this method when imperfections in the surfaces interact. Eventually, this outcomes in a brittle ball that reduces the life of a bearing. Not like metals, ceramic materials have a steady behavior at large temperatures and exhibit significantly less thermal enlargement. This implies that they can be utilised for programs exactly where lubrication just isn’t an selection.
While metal balls can very easily take in contaminants and international particles, the ceramic ball is insensitive to this, and does not need lubrication. This indicates they are not vulnerable to corrosion and other common difficulties. These are just a few reasons why ceramics are a greater option. This engineering has a wide range of makes use of. It’s easy to see why it is so popular. If you happen to be looking for a new bearing for your software, be confident to contact an AST Purposes Engineer. They can examine your running circumstances and possible failure modes.

Angular make contact with

An Angular Contact Ball Bearing (also acknowledged as an angular-get in touch with bearing) has an axial component that is produced when radial hundreds are applied. They are typically utilised in pairs, triplex sets, or quadruplex sets. These bearings are also obtainable with Super Finished Raceways to minimize sounds and increase lubricant distribution. Angular contact ball bearings have various layout models, these kinds of as bore dimension, outer diameter, and outer ring width.
A single-row angular speak to bearing has a radial get in touch with angle that is equal to the angular length among the two rings. Double-row angular bearings are made for two-way thrust capacity. These kinds of bearings can be acquired at Grainger and other on the web retailers. A typical angular get in touch with bearing will last up to a million revolutions. They are usually utilised in industrial angular make contact with bearings.
One-row angular speak to ball bearings function a established make contact with angle. These bearings can assistance radial and axial masses, but they can’t face up to large speeds. Single-row angular contact ball bearings might also have 1 or two shoulders relieved. Thrust load is a strain put on the bearing when it is installed in an assembly, and it is used to generate an angle between the races.
Angular contact ball bearings arrive in solitary and double-row configurations. They differ in the axial load they can have and the type of lubrication they use. Angular speak to ball bearings are excellent for large-velocity programs and can accommodate each radial and axial masses. The kind of get in touch with and lubrication employed in angular-speak to ball bearings is dependent on the intended use for the bearing.

High-carbon metal

Carbon steel is a minimal-alloy and higher-carbon metal used in bearings. This material provides excellent toughness and fatigue homes for ball and roller bearings. Its mechanical qualities are best for applications exactly where the temperature is significantly less than four hundred levels Fahrenheit. Higher-carbon metal is also used to make bearing parts for chrome steel bearings. These kinds of steels are softer than chrome steel but offer exceptional sturdiness in purposes exactly where the materials is uncovered to extreme situations.
Hardened carbon steel balls with an AISI 1015 hardness index are utilised in a variety of automotive, business, and semi-precision purposes. In addition to automotive purposes, they are also employed in slides, trolleys, and conveyors. AISI 1015 carbon steel balls are employed in bearings. They can be bought in a selection of weights and diameters. Carbon metal balls can also be purchased in nickel-plated or uncoated varieties for decorative functions.
In order to figure out regardless of whether a ball bearing is made of high-carbon metal, the substance need to be tested for its hardness. An common pocket magnet will operate effectively, but an ordinary unusual earth magnet isn’t really powerful ample to measure the hardness. If it attracts the magnet strongly, the steel is metal, whilst a weak magnet signifies a non-ferrous material. A hardness take a look at demands a specific microhardness take a look at.
A lower-carbon metal is another selection. Some miniature bearing makers use a material with less carbon than AISI 440C. This materials is also known as KS440 or X65Cr13. Soon after becoming heat-treated, it develops more compact carbides, ensuing in superior reduced-sound qualities and the exact same corrosion-resistance as 440C. These components are a less pricey alternative than chrome metal, but they are often less sturdy than chrome alloy metal.


One-row angular speak to ball bearings accommodate axial hundreds in one particular path. These are typically adjusted from a second bearing. As opposed to other ball bearings, they are non-separable and include an higher and reduced shoulder. Solitary-row ball bearings are produced of Chromium Metal (GCr15) which is heat-taken care of to obtain higher uniform hardness and superb wear resistance. They are the most generally utilised type of bearings in the entire world.
Since of the angular contact among the radial aircraft and the raceway, single-row ball bearings transmit radial forces from raceway to raceway. A increased a, the better the axial load carrying potential of the bearing. Solitary-row angular make contact with ball bearings are ideal for high axial masses. Nevertheless, they have constrained preload abilities and should be set up in pairs. That’s why, they are ideal employed for purposes exactly where axial forces need to be dispersed.
Single-row ball bearings can be pre-lubricated and have steel shields. They are also accessible with rubber seals or snap rings on the outdoors edge. They are available with different retainers, which includes pressed steel cages, plastic shields, and rubber seals. A tapered bore is also offered on ask for. They are excellent for applications the place room is limited. The 6200 series of bearings are especially well suited for electrical motors, dental hand equipment, and optical encoders.
One-row angular make contact with ball bearings are widely used for axial masses. The outer and internal rings have somewhat larger radii than the balls. These bearings can accommodate large speeds and low torque. They can also be supplied with diverse grease ranges. If grease is essential, you can select a lubricant that has distinct qualities relying on the software. They are straightforward to set up and keep. However, they are not suggested for adjacent mounting.


A plastic ball bearing is a hugely adaptable ingredient that can be mounted in a selection of elements, including wheels, pulleys and housings. The outer ring of a plastic bearing is typically the pulley profile. The inner ring can be produced of a shaft or polymer. The built-in layout of a plastic ball bearing helps to minimize assembly time and value. Listed here are some of the rewards of this kind of bearing:
1st and foremost, plastic balls are lighter than metal balls. They also have much less magnetic qualities than steel balls, producing them the ideal alternative for apps necessitating low weight and noise. Glass balls are also lighter than stainless metal balls, making them the best metallic-totally free option. They are also really corrosion-resistant, which makes them a wonderful selection for some applications. In addition to getting lightweight, polymer ball bearings are also tranquil. And because of their reduced fat, plastic ball bearings are best for applications that require fast velocity.
Yet another edge of plastic bearings is their capability to endure higher temperatures. This substance is also abrasion and corrosion-resistant. It meets Food and drug administration and USDA acceptance demands. Apart from its abrasion-resistant and corrosion-resistant houses, these plastics do not transfer warmth. Apart from being incredibly durable and adaptable, most plastics are also self-lubricating. Common plastics include phenolics, acetals, nylon, and extremely large molecular excess weight polyethylene. Nevertheless, plastics have restrictions, and these supplies could be destroyed by excessive temperatures or cold stream beneath weighty masses.
Other rewards of plastic ball bearings contain their minimal density, substantial hardness and reduced friction coefficient, and capability to endure heat and corrosion. Ceramics are also light-weight, non-conductive, and have exceptional resistance to friction. These products can stand up to temperatures up to 1,800 degrees Fahrenheit. If you might be in the marketplace for a plastic ball bearing, it is important to decide on the proper type of material. And if you are looking for a higher-quality bearing, appear no more.

China wholesaler Ball Slewing Bearing Slewing Ring Bearing 140109-00042 for Excavator 255LC-V     with Good qualityChina wholesaler Ball Slewing Bearing Slewing Ring Bearing 140109-00042 for Excavator 255LC-V     with Good quality

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