Product Description

PC300 PC300-3-6-7 Excavator swing ring bearing slewing gear circle 
 

Excavators, also known as excavating machinery, also known as excavators, are earth-moving machinery that use buckets to excavate materials above or below the bearing surface and load them into transport vehicles or unload them to a stockyard.
The materials excavated by the excavator are mainly soil, coal, silt, and pre-loose soil and rocks. From the perspective of the development of construction machinery in recent years, the development of excavators is relatively fast, and excavators have become 1 of the most important construction machinery in engineering construction.

We can provide alternative Swing circle for your , HITACHI, KOBELCO, HYUNDAI, VOLVO, DOOSAN, DAEWOO, JCB,CASE, SUMITOMO, KATO, etc.,There are normal and non standard over 1000 hundreds types for you choose.
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USA Excavator Slewing Rings

CAT70B CAT120B CAT311 CAT305.5 CAT306 CAT307 CAT308 CAT312 CAT315 CAT320 CAT323 CAT324 CAT325 CAT326 CAT330 CAT336 CAT345 CAT349 CAT365 CAT374 CAT390 CAT40/45 CAT60(YC60-8) E70B CAT80 CAT120B E140 E160 E180 E200B E215 E219 E219D CAT225/B/D CAT229 CAT305.5 CAT306/E E307 E307B E307C/D/E CAT308B E311B E312B CAT311C CAT311D CAT312C/D CAT313C/D CAT315 E320B E320C/D E323C/D E322 E324D CAT330B CAT330C CAT336D CAT336D1 E340 CAT345B CAT345C CAT345D CAT349D CAT365

CX50B CX55 CX210 CX210B CX210 CX210B CX240A

Japan Excavator Slewing Bearings

PC30 PC45 PC50 PC55 PC56 PC60-5-6-7 PC60-8 PC70-8 PC78 PC100-3 PC120-6 PC130-7 PC150 PC160 PC200-7/8 PC220 PC228 PC270 PC240 PC300-6/7 PC360 PC400-6/7/8 PC450-6 PC600-6 PC650-3 PC650 PC800 PC1000 PC1200 PC1250 PC300-7 PC300-8 PC350-6 PC350-7 PC350-8 PC360-7 PC400-5 PC400-5A PC400-6 PC400-7 PC400-8 PC450-6 PC450-7 PC450-8 PC650-6E PC650-8 PC200-8 PC210-10 PC210LC-10 PC210-7 PC220-7 PC220-8 PC230-7 PC240-8 PC200-8 PC210-8 PC220-8 PC270 PC300 PC300LC PC300-5 PC300-6 PC130-7(4D102) PC150-5 PC180-5 PC160-7
PC200-5 PC210-5K PC220-5 PC200-6(S6D95)PC210-6(S6D95)PC220-6(S6D95)PC230-6(S6D95)PC200-6(S6D102)PC210-6(S6D102)PC220-6(S6D102) PC230-6(S6D102)PC200-7(S6D102)PC200-7 PC18 PC50-7 PC56 PC60-1 PC60-5 PC60-6 PC60-7 PC60-6 PC70-6 PC70-8 PC60-7 PC70-7 PC100-5 PC120-5 PC100-6(S4D95) PC120-6(S4D95) PC130-6(S4D95) PC130-7(S4D95) PC100-6(4D102) PC110-7(4D102) PC120-6(4D102) PC130-6(4D102)

UH571 UH045 UH063 UH083 EX35 EX40 EX55 EX60 EX60-3 EX120 EX200 EX300 EX310 ZX60 ZX70 ZA80 ZX110 ZX120 ZX200 ZX210 ZX250 ZX290 ZX330 ZX470 ZX870EX1000 EX1200 ZX225UR ZX520 EX120-3 EX120-5 EX130H-5 ZAX110 ZAX120-6 ZAX120 UH07-7 ZAX200 ZXA210 ZAX200-3G ZAX250-3G ZAX200-3 ZAX200LC-3 ZAX210H-3 ZAX210LCH-3 ZAX210K-3 ZAX210LCK-3 ZAX210LCN-3 EX200-1/2 EX200LC-2 EX200-3 EX200LC-3 EX200H-3 EX200LCH-3 EX200-5 EX210H-5 EX210LCH-5 ZAX225 ZX230 EX220-2 EX220-3 EX220-5 EX270-5 EX230H-3 EX280H-5 ZAX240H ZAX240LCH
ZAX240K ZAX250 ZAX270 ZAX280LC EX290LCH-5 EX300-1 EX300-2 EX300H-2 EX300-3 EX300-3C EX300H-3 EX310H-3C
EX310LCH-3C ZAX330 EX350 ZXA360 ZAX450-6 EX60-1 EX60-2 EX60-5 EX60LC-5 EX80-5 ZX60 ZAX70 ZA80 EX100-1 EX100-3 EX100-5 EX110-5 EX120-2
U15 KX41 KX41-2 KX135 KX185 KX155 KX161 KX163 KX165 KX183 K030 KX35 KX15 KX150 KX185

SK35 SK50 SK60 SK75 SK100 SK120 SK200-1-2-3-4-5-6 SK230 SK250 SK260 SK280 SK300 SK330 SK330-6 SK350 SK400 SK450 SK480 RK200 SK55 SK60-3 SK60-5 SK60-8 SK60SR SK75/SK75-8 K904C SK905C SK907B K907C SK100 SK120-3 SK120-5 SK135 SK03 SK04 SK045N2 SK130 SK140-8 SK07-1-N2 SK07-N2 SK200-1 SK200-2 SK200-3 SK200-5 SK200-6 SK210-6 SK200-8 SK210-8 SK230-6E SK250-6 SK250-8 SK260-8 SK270D SK330-8 SK350-8 SK480-6 SK480-8

SH55 SH60 SH75 SH50 SH100 SH120 SH125 SH135 SH140 SH145 SH200 SH200-3-5 SH220-2-3 SH240 SH225 SH260 SH265 SH280 SH300 SH340 SH350 SH400 SH430 SH450 SH40T SH60-1 SH100A1 SH120 SH120A1 SH120A2 SH120A3 SH200A1 SH200A3 SH210A3 SH210A5 SH220-2 SH220-3 SH225 SH260 SH265 SH240-5 SH340 SH300A2 SH350

HD100 HD250 HD450 HD512 HD513 HD516 HD550 HD700 HD770 HD800 HD820 HD880 HD900 HD1571 HD1430 HD2045 HD250-5 HD250-7 HD307 HD400-7 HD512 HD513 HD516 HD700-5 HD700-7 HD820-1/2/3/7 HD770-5 HD800-8 HD800-7 HD900-7 HD770-1 HD770-2 HD770-SE HD1571-3

ViO35 ViO55 ViO75 NS60-5 BT160C BT175 IHI135 IHI150 IHI160

MS70-2 MS090-8 MS110-2 MS120-1/2 MS120-8 MS140-1 MS180-3 MS180-8

South Korea Slewing Ring Bearings

R55 R60 R80 R130LC-3-5 R150 R190 R200 R200-5 R210 R215-7/9 R220 R225LC-7/9 R245 R260 R265 R290 R290 R290LC-7 R300LC R305LC R330LC R340 R375 R360LC-7 R390 R450LC R470 R485 R500 R55-5 R60-5 R55-7 R60-7 R70-7 R80 R110LC-7 R130-5 R130-7 R140LC-7 R150LC-7 R150LC-9 R200W-7 R200 R200-3 R200-5 R210-3 R210-5 R210-5D R220-3 R220-5 R210-7 R210-9 R215-7 R225-7 R220-9 R225-9 R260-7 R265-7 R290-3 R300-5 R290-7 R305-7 R305-9 R320-7

DH35 DH55 DH60 DH55 DH60 DH80 DH80-7 DH80GOLD DH150 DH200 DH220-3-5 DH280-5 DX60-DX200-DX225 DX260 DH290 DH360 DH420 DH500 DH55-5 DH60/DX60 DH80/DH80GLD DH130-5 DH150-7 DX150 DH220-3 DH215-7 DH215-9E DH220-5 DH220-7 DH215-9 DH225-7/9 DX225-7 DH250-5 DX255-5 DH258-7 DH280 DH290 DH300-5 DH300 DH300-7 DX300-9 DH360-5/7 DH400-5 DH370-7 DH370-9 DH420 DH450-3 DH500 SE210-1 SE210-2

China Manufacturer Slew Ring

CLG904 CLG9055 CLG906 CLG907 CLG9075 CLG908 CLG915 CLG150 CLG920 CLG921 CLG922 CLG225 CLG924 CLG925 CLG933 CLG936 CLG939 CLG942 CLG948 CLG950 CLG952 CLG200 CLG205 CLG220 CLG225

XE55 XE60 XE65 XE75 XE80 XE85 XE135 XE150 XE155 XE200 XE205 XE215 XE225 XE245 XE270 XE305 XE335 XE370 XE380 XE400 XE470 XE490 XE700

YC13 YC18 YC18-3 YC35 YC45 YC55 YC65 YC65-2 YC85 YC85-3 YC135 YC225LC YC230

SY55 SY60 SY65 SY70 SY75 SY85 SY95 SY115 SY135 SY155 SY195 SY200 SY205 SY215 SY220 SY225 SY235 SY245 SY285 SY305 SY335 SY365 SY375 SY395 SY415 SY485

 UK/SWEDEN/GERMANY Swing Bearing

R914 R924 R944 R944CLC
8061 8065 JS130 JS140 JS200 IS210 JS220 JCB70 JCB360 JS205
EC55 EC60 EC140BP EW145BP EW160BB EC210 EC240 EC290 EC360LC EC380 EC460 EC480 EC700 EC210B EC360

 
Product Process
Application:

 

– Excavators – Drilling rigs – Mining Equipments – Cranes   -Offshore Equipments  – Vehicles  – Machine Tools  – Wind Turbines

About Us:
HangZhou MC Bearing Technology Co.,Ltd (LYMC),who is manufacture located in bearing zone, focus on Slewing bearing, cross roller bearing and pinion,Dia from 50mm-8000mm, Our team with technical and full experience in the bearing industry.
*Professional in researching, developing, producing & marketing high precision bearings for 16 years;
*Many series bearings are on stock; Factory directly provide, most competitive price;
*Advanced CNC equipment, guarantee product accuracy & stability;
*One stop purchasing, product include cross roller bearing, rotary table bearing, robotic bearing, slewing bearing, angular contact ball bearing, large and extra large custom made bearing, diameter from 50~9000mm;
*Excellent pre-sale & after sale service. We can go to customers’ project site if needed.
*Professional technical & exporting team ensure excellent product design, quotation, delivering, documentation & custom clearance.

Our Service:

FAQ:
1.Q: Are you trading company or manufacturer ?
A: We are professional slewing bearing manufacturer with 20 years’ experience.
2.Q: How long is your delivery time?
A: Generally it is 4-5 days if the goods are in stock. or it is 45 days if the goods are not in
stock, Also it is according to quantity.
3.Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample, it is extra.
4.Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance, balance before shipment.
5.Q: Can you provide special customization according to the working conditions?
A: Sure, we can design and produce the slewing bearings for different working conditions.
6.Q: How about your guarantee?
A: We provide lifelong after-sales technical service. 
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Standard or Nonstandard: Standard
Feature: High Speed, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Straight Raceway
Material: 50mn/42CrMo

Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

bearing

Advantages of Ball Bearings

What is a ball bearing? A ball bearing is a type of rolling-element bearing that utilizes balls to maintain separation between two bearing races. Its contact angle between the balls and the races helps it reduce friction between the loads. There are several advantages to ball bearings, including their ability to withstand water. Read on to learn more. Here are a few of the benefits. You can use them in your daily life, from your car to your boat.

Ball bearings reduce friction between loads

Ball bearings reduce friction between loads by constraining the relative motion between moving parts. These bearings consist of a ring of small metal balls that reduce friction between moving objects. The name “ball bearing” is derived from the verb “to bear.” The lubricant within the bearing reduces friction between moving particles. In a machine, ball bearings reduce friction between moving parts and improve linear motion around a fixed axis.
These bearings are commonly used to reduce friction between loads in rotating machines. They have two tracks, one fixed to the rotating part and one stationary. The rolling balls of a ball bearing have lower friction than flat surfaces. Because of this, they are useful for bar stool bearings. They reduce friction between surfaces and maintain the separation between bearing races. Hence, minimal surface contact is possible. Ball bearings have the potential to increase the life of machines and reduce energy consumption.
Ball bearings can be as small as a wrist watch or as large as an industrial motor. They function the same way, reducing friction between loads. Among their many uses, ball bearings are essential for everyday operations. Clocks, air conditioners, fans, and automobile axles all use ball bearings. In fact, anything that uses a motor requires ball bearings. It’s no wonder they’re gaining popularity in industries and everyday life.

They support radial and axial loads

Radial ball bearings are used primarily for radial loads, but they also have a capacity for axial load. This load capacity is usually given as a percentage of the radial load rating. Axial load capacity is generally greater for a bearing with a larger difference between the inner and outer ring diameters. The axial load capacity is also affected by the bearing’s raceway depth, with shallow raceways being more suitable for heavier axial loads.
The two main types of axial and radial loads are defined by their orientation. Axial loads apply forces in one direction while radial loads act on the opposite direction. In both cases, the bearing must support the forces that are imposed. Axial loads apply forces to a bearing in a single direction, while radial loads apply forces in both directions. Regardless of the type of load, axial and radial loads should be considered when selecting a bearing for a given application.
Angular and radial ball bearings differ in their materials. Radial ball bearings are made largely of through-hardened materials. They typically have a Rockwell hardness rating of 58 Rc. The raceways and balls of these bearings are made of 440C stainless steel. They may also contain shields and seals. SAE 52100 steel is the most common material for the raceway, while molybdenum steels are excellent for high temperatures.

They have a contact angle between the balls and the races

When comparing axial load bearings with their radial counterparts, the angular contact angle is more important. Axial load bearings, have a contact angle between the balls and the races of 35 degrees. They are suitable for axial loads and a limited radial load. The contact angle of these bearings is a result of the shape of the inner and outer rings. Each rolling element comes into contact with the inner and outer rings only at one point, forming a 30 degree angle with the radial plane. The radial force of the axial load on these bearings is therefore increased by increasing the contact angle between the balls and the races.
This contact angle determines the amount of friction between the balls and the races, and allows angular contact bearings to withstand heavy radial and thrust loads. In addition, the larger the contact angle, the greater the axial load support. Angular contact bearings come in standard imperial (inch) and metric (mm) sizes. The angular contact angle is determined by the free radial play value and the curvature of the inner track.

They are water-resistant

In addition to their water-resistant qualities, corrosion-resistant ball bearings can also protect against the damaging effects of corrosive environments. Generally, standard metals, such as steel, are susceptible to rust, which can significantly reduce their performance and extend the life of parts. However, plastics, stainless steel, and ceramics can provide corrosion-resistant ball bearings. And because these materials are much more durable, they offer other advantages, such as being easy to maintain.
Among the advantages of plastic ball bearings is their high resistance to extreme temperatures, high speeds, and corrosion. Depending on their construction, plastic bearings are often able to resist corrosion and anti-static properties. They’re lightweight and inexpensive compared to steel ball bearings. CZPT Sales Corporation was established in 1987 with a modest turnover of four lacs. As of the last financial year, it has grown to 500 lacs in sales.
Other advantages of water-resistant ball bearings include corrosion resistance, which is a key consideration in many applications. While stainless steel is highly corrosion-resistant, it decreases the bearing’s load-carrying capacity. Also, corrosion-resistant deep groove ball bearings are usually made with a specified internal clearance, which absorbs loss in clearance during mounting and shaft expansion. This factor affects their performance, and if these are compromised, a replacement may be necessary.
bearing

They are tough

A few things make ball bearings tough: they’re made of real materials, which means that they have inherent imperfections. Grade-1 balls are made especially for high-stress applications, such as Formula One engines. Grade-3 balls, on the other hand, strike the perfect balance between performance and cost. Ceramic balls, for example, are made to spin at a high rate of 400 RPM, and they’re finished with a mirror finish.
A steel carbon ball bearing is one of the toughest forms of ball bearings available. The material is incredibly strong, but the contact between the balls isn’t the best. Low-carbon steel is best for linear shafting and is usually coated with a polymer to prevent damage. Steel ball bearings with moderate amounts of carbon are tough, durable, and water-resistant. They’re ideal for gears, but their high-carbon steel counterparts are particularly tough and can resist corrosion.
A ceramic ball bearing is another option. This type has steel inner and outer rings but ceramic balls. Ceramic balls can withstand higher temperatures than steel and are also electrically insulating. Ceramic ball bearings also tend to be lighter and are more resistant to wear and tear. They’re also ideal for applications in which grease is not an option, such as in space shuttles. Despite the fact that ceramic ball bearings are tough, they’re still cheaper than steel ball bearings.

They are conductive

You may have heard the term “ball bearing” if you’ve studied introductory physics. What does that mean? Essentially, ball bearings are conductive because of their ability to conduct electricity. This ability is reflected in the charge distribution on the surface of the ball. Positive charges are drawn toward the positive plate, while negative charges are drawn away from the positively charged ball bearing. You may have even seen a ball bearing in action.
However, despite their conductive nature, ball bearings can still become damaged by electrical discharge. A higher voltage can cause the balls to pit, and the raceways to become uneven. These uneven surfaces will first show up as excessive noise, and eventually cause the bearing to malfunction. Fortunately, engineers have found a way to counter this problem: conductive grease. This grease enables current to flow through the ball bearing, preventing both heat and voltage buildup.
The difference between steel and ceramic ball bearings is their density. Steel bearings are more conductive than glass or hybrid ceramics. Steel ball bearings have an even grain structure and are conductive for resonance flow. When moving fast, the air surrounding the steel ball bearing carries resonance from the inner ring to the outer. This makes them ideal for high-speed resonance transfer. In addition to being conductive, glass microbeads are harder and lighter than steel.
bearing

They are used in pulley systems

Pulley systems use ball bearings to move the sprocket, which is a wheel that rotates. These bearings are installed on the center mounting hole of the pulley wheel. They protect the entire system from heat, while allowing higher speed and smooth operation. They distribute the weight of the load evenly, minimizing friction and wobbling, and ensure a smooth rotation. Ball bearings are typically made from steel and are installed inside the pulley wheel.
The moment of inertia and bearing friction are measured to within ten percent accuracy. These two variables affect the speed of the pulley system, which can lead to crashes if the weight holders are not balanced. Therefore, ball bearings are used to minimize the chance of such crashes. When you want to know more about ball bearings in pulley systems, here are the advantages they provide.
Another benefit of ball bearings in pulley systems is that they have lower friction than their solid counterparts. In order to reduce friction, however, ball bearings must be made of good materials. Some of the common ball materials are high-quality plastics and stainless steel. Good materials and clever block design are essential to minimizing friction. If you are planning to use ball bearings in your pulley system, check out the following tips and make sure you are choosing the right one for your application.
China Professional PC300 PC300-3-6-7 Excavator Swing Ring Bearing Slewing Gear Circle   ball bearingChina Professional PC300 PC300-3-6-7 Excavator Swing Ring Bearing Slewing Gear Circle   ball bearing
editor by Dream 2024-04-19