Tag Archives: custom shaft

China Professional Custom Nonstandard Silicone Rubber PA6 Nylon Plain Washer Plastic Gasket POM Spacer Flange Bush Shaft Sleeves Bushing supplier

Product Description

Products Type

We can custom shape,size,material,color and quantity for rubber seals as your requirment.

Products Specification

1. Various hardness for your choice.
2. Good abrasion, heat and oil resistance.
3. Good anti-aging performance and gas tightness.
4. Ease of bonding to other material.
5. Excellent oxygen and CHINAMFG resistance.
6. Non-flammable,self-extinguish. 

Material EPDM,NR,Silicone,FKM,IIR,NBR,SBR,Sponge,Rubber,or Custom Compound
(Any custom compound rubber is available)
Size According to samples or drawings
Color Black,white,red,green,transparent or any color according to Pantone colors
Finish High Gloss,Fine Grain,Electroplating,Painting,Printing,Texture etc,or as request
Type Round,square,rectangular,or any nonstandard shape as request
Logo Debossed,embossed,printed logo or as request

Rubber Material Properties

Company Profile

Zhongde (ZheJiang ) Machinery Equipment Co.,LTD is a company integrated in design,OEM&ODM plastic&rubber&CNCparts production.We can provide the best products and service at a competitive price.

Main Products

We can provide OEM service,which means producing base on your drawings or samples,also we can design according to its application or customer`s requirments.

Order Operation Flow

We execute each step according to the operation process flow, strictly, seriously and meet the requirements of customers with good quality on time.

For Fast Quotation,Please Inform Below Details
1. Production type
2. Material specification (or let us know the using environmental)
3. Size details? (or provide drawings or samples for refference)
4. Quantity request
5. Prefer color /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Type: Lock Washer
Material: Rubber
Combination Washer Structure: A Type
Samples:
US$ 999/Piece
1 Piece(Min.Order)

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Order Sample

Custom packaging, consult us for sample price
Customization:
Available

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Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

plastic bush

What are the environmental benefits of using plastic bushings, and how do they contribute to sustainability?

Plastic bushings offer several environmental benefits and contribute to sustainability in various ways. Here are some of the key advantages:

  • Reduced Energy Consumption: Plastic bushings generally have lower friction coefficients compared to metal bushings, which results in reduced energy consumption. The lower friction allows for smoother operation and requires less power to overcome resistance, leading to energy savings. This can be particularly significant in applications with high-speed or continuous motion, where energy efficiency is crucial.
  • Elimination of Lubrication: Many plastic bushings are self-lubricating or require minimal lubrication. Unlike metal bushings, which often require regular lubrication to maintain optimal performance, plastic bushings can operate effectively without the need for lubricants. This eliminates the need for oil or grease, reducing the consumption of lubrication products and minimizing the associated environmental impacts, such as oil spills or the disposal of used lubricants.
  • Corrosion Resistance: Plastic bushings are generally resistant to corrosion, which can be a significant advantage in various environments. Unlike metal bushings, which may corrode and require frequent replacement, plastic bushings can withstand exposure to moisture, chemicals, and other corrosive substances. This extended service life reduces the frequency of bushing replacements, leading to less material waste and lower environmental impact.
  • Weight Reduction: Plastic bushings are typically lighter than their metal counterparts, contributing to weight reduction in machinery and equipment. The use of lighter components can result in lower energy consumption during operation, especially in applications that involve frequent acceleration or deceleration. Additionally, reduced weight can lead to more efficient transportation and decreased fuel consumption during shipping.
  • Recyclability: Many plastic bushing materials are recyclable, allowing for the recovery and reuse of the materials at the end of their service life. Plastic bushings made from recyclable materials can be collected, processed, and transformed into new products, reducing the demand for virgin materials and minimizing waste generation. Proper disposal and recycling practices contribute to a circular economy and the conservation of natural resources.
  • Noise Reduction: Plastic bushings often exhibit superior damping properties compared to metal bushings, resulting in reduced noise and vibration levels. This can be advantageous in applications where noise reduction is important, such as in residential or office environments. By minimizing noise pollution, plastic bushings contribute to improved working conditions, increased comfort, and enhanced overall environmental quality.

By utilizing plastic bushings and benefiting from their environmental advantages, industries can contribute to sustainability efforts by reducing energy consumption, minimizing lubrication requirements, extending equipment lifespan, promoting recyclability, and improving overall operational efficiency. However, it is important to note that the sustainability of plastic bushings also depends on responsible manufacturing practices, proper disposal or recycling methods, and the selection of eco-friendly materials.

plastic bush

Can I find reviews comparing the durability and performance of different types of plastic bushings?

Yes, it is possible to find reviews comparing the durability and performance of different types of plastic bushings. Reviews can be valuable resources for gaining insights into the real-world experiences of users and professionals who have tested and evaluated various plastic bushings. Here are some ways to find reviews comparing the durability and performance of different types of plastic bushings:

  • Online Retailers and E-commerce Platforms: Online retailers and e-commerce platforms that sell plastic bushings often have customer review sections where users can share their experiences and opinions. Browse through the product listings of plastic bushings and look for reviews or ratings provided by customers. While individual reviews may not directly compare different types of bushings, they can still offer valuable insights into the durability and performance of specific products.
  • Industrial Forums and Discussion Boards: Participating in online forums and discussion boards dedicated to industrial machinery, engineering, or related topics can provide access to valuable user experiences and comparisons. Engage in discussions, ask questions, and inquire about the experiences of professionals who have tested different types of plastic bushings. These platforms often have knowledgeable members who can share their insights and provide comparisons based on their firsthand experiences.
  • Industry Publications and Magazines: Industry-specific publications and magazines may feature articles, case studies, or product reviews that compare the durability and performance of different types of plastic bushings. Check online or physical copies of these publications related to the machinery, engineering, or industrial sectors for any available reviews or comparisons. These sources often provide in-depth analysis and expert opinions on the performance of various plastic bushings.
  • Manufacturer and Supplier Websites: Manufacturers and suppliers of plastic bushings sometimes publish technical articles, white papers, or case studies that highlight the performance characteristics and durability of their products. Visit the websites of reputable manufacturers or suppliers and explore their resources sections or technical documentation. While these sources may focus more on promoting specific products, they can still provide valuable information and insights into the performance of different types of plastic bushings.
  • Research Papers and Technical Journals: Academic research papers and technical journals in the field of materials science, engineering, or tribology may contain studies or comparative analyses of different plastic bushing materials. Access online databases of research papers or visit university libraries to search for relevant publications. These sources often provide scientific data, test results, and detailed evaluations of the durability and performance of various plastic bushings.

When reviewing and comparing different types of plastic bushings, it’s important to consider multiple sources and perspectives. Keep in mind that the performance of plastic bushings can be influenced by various factors, including application-specific conditions, load requirements, temperature ranges, and chemical exposures. Assessing reviews and comparisons in the context of your specific application and requirements can help you make informed decisions.

By utilizing reviews and comparisons, you can gain valuable insights into the durability and performance of different types of plastic bushings, helping you select the most suitable option for your specific needs.

plastic bush

Are there different types of plastic materials used in manufacturing plastic bushings, and how do they affect performance?

Yes, there are different types of plastic materials used in manufacturing plastic bushings, and the choice of material can significantly affect their performance. Here are some common types of plastic materials used in plastic bushings and how they can impact performance:

  • Nylon: Nylon is a widely used material for plastic bushings. It offers good wear resistance, low friction, and excellent load-carrying capacity. Nylon bushings are self-lubricating, reducing the need for additional lubrication. They are suitable for a wide range of applications and can operate in both dry and lubricated conditions.
  • PTFE (Polytetrafluoroethylene): PTFE, commonly known by the brand name Teflon, is a high-performance plastic material with exceptional low-friction properties. PTFE bushings have excellent chemical resistance, operate well in high-temperature environments, and exhibit low wear rates. They are often used in demanding applications where high precision and low friction are critical.
  • UHMW (Ultra-High-Molecular-Weight Polyethylene): UHMW is a durable and tough plastic material known for its high impact strength and abrasion resistance. UHMW bushings offer low friction, good chemical resistance, and excellent wear properties. They are commonly used in applications involving heavy loads, impact, or abrasive conditions.
  • POM (Polyoxymethylene): POM, also known as acetal or Delrin, is a high-strength engineering plastic with good dimensional stability and low friction. POM bushings exhibit low moisture absorption, excellent wear resistance, and a low coefficient of friction against metal surfaces. They are suitable for applications requiring high precision, low wear, and resistance to moisture or chemicals.
  • Composite Polymers: Composite polymers are materials that combine different plastic resins or incorporate reinforcing fibers or fillers. These composite materials can offer enhanced mechanical properties such as increased strength, improved wear resistance, or reduced friction. Composite polymer bushings are tailored for specific applications, and the choice of composite formulation depends on the desired performance characteristics.

The choice of plastic material for a specific application depends on various factors, including the operating conditions, load requirements, temperature range, speed, and environmental factors. Each plastic material has its own unique properties and advantages, which make them suitable for specific applications. For example, nylon bushings may be preferred for their balanced performance and versatility, while PTFE bushings excel in applications requiring low friction and high temperature resistance.

When selecting a plastic material for bushings, it’s important to consider factors such as load capacity, wear resistance, coefficient of friction, chemical resistance, temperature range, and compatibility with mating surfaces. Manufacturers and suppliers of plastic bushings can provide guidance on selecting the appropriate material based on your specific application requirements.

It’s worth noting that the performance of plastic bushings can be influenced by factors such as design considerations, surface finish, mating materials, and operating conditions. Proper installation, regular maintenance, and adherence to manufacturer guidelines are crucial for achieving optimal performance and longevity of plastic bushings in industrial applications.

By understanding the different types of plastic materials available and their impact on performance, you can make informed decisions when selecting plastic bushings for your specific application needs.

China Professional Custom Nonstandard Silicone Rubber PA6 Nylon Plain Washer Plastic Gasket POM Spacer Flange Bush Shaft Sleeves Bushing   supplier China Professional Custom Nonstandard Silicone Rubber PA6 Nylon Plain Washer Plastic Gasket POM Spacer Flange Bush Shaft Sleeves Bushing   supplier
editor by CX 2024-05-15

China supplier Custom Made Black Oxide Double Split Quick Clamp Shaft Collar Sc125 define bushing

Product Description

Double split collar black oxide 

Standard:; Browning

Material:; Carbon Steel

Surface treatment:; black oxide,;Znc plated

Size:; accord the drawing

Certification ISO9001:;2015 Certification

Warehouse & Workshop

Testing Instrument

Our testing instrument includes Fully Automatic Three Coordinate,;Measuring Instrument ,;Fully Automatic Two Coordinate Measuring Instrument ,;Element Measuring Instrument,;etc.;

Company Information

HangZhou Bethel Shaft Collar Manufacturing Co.;,; Ltd is an ISO9001:;2015 certified enterprise,;

specialized in manufacturing various specifications of Sheaves,;Zinc-Plated Shaft Collars,;

Single and Double Split Collars,;Stainless Steel Shaft Collars,;S-Style Split Collars,;XTH,;

XTB,;QD,;BM Style Split Taper Bushings,;and all kinds of Weld on Hubs,;Taper Locked

Bushings and various Couplings etc.;Our annual capacity is over 10,;000,;000 pcs.;
Production Flow
Company Culture

 

We are professional manufacturer focus in shaft collars,; split shaft collar,;bushing,;sheaves,;pulleys,;couplings,;

weld-on hub,;any question pls feel free to contact with us,;

look forward to work with you!

Application: Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory
Standard: Browning
Surface Treatment: Black Oxide
Production Type: Single Production
Machining Method: CNC Machining
Material: Steel
Customization:
Available

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Customized Request

bushing bore
China supplier Custom Made Black Oxide Double Split Quick Clamp Shaft Collar Sc125   define bushing	China supplier Custom Made Black Oxide Double Split Quick Clamp Shaft Collar Sc125   define bushing
editor by CX 2023-05-09

China Custom Made Black Oxide Double Split Quick Clamp Shaft Collar DSC 3′ ′ , DSC3-7/16′ ′ bushing design

Merchandise Description

HangZhou Bethel Shaft Collar Production Co.,Ltd.
HangZhou Bethel Shaft Collar Production Co.,Ltd. was established in 1998. After a number of years advancement,it has been enlarging and strengthening alone. It is an
IS09002 certifed Company, specialized in producing numerous specifcations of sheaves. Zinc -plated Shaft Collars, Single and Double Break up Collars, Stainless Steel
Shaft Collars, S-design Break up Collars, XTH, XTB, QD, BM Design Split Taper Bushings, Ductile iron shaft ollars and all types of Weld-on Hubs, Taper-locked Bushings and many others. Our
once-a-year ability is in excess of ten,000,000 PCS.
Aimed at To place up high quality to the very first position and To put credit score worthiness earlier mentioned almost everything else, with effective and sillful complex force, superior creation
gear, best managing Program make the quality steady, The goods are nicely gained by the customers, experiencing a really high track record in U.S.A and European
marketplaces.
Bethel warmly welcoming friends from equally abroad and home, appreciates your esteem guidance and taking part in an active function in marketing of foreign trade exchange.

Double break up collar black oxide

Standard: Browning

Substance: Carbon Metal

Surface area therapy: black oxide,Znc plated

Dimension: accord the drawing

Certification ISO9001:2015 Certification

 

Size: accord the drawing

Certificatio ISO9001:2015 Certification

Warehouse & Workshop

Tests Instrument

Our screening instrument consists of Fully Computerized Three Coordinate,Measuring Instrument ,Completely Automated Two Coordinate Measuring Instrument ,Element Measuring Instrument,and so forth.
Business Society

We are expert manufacturer target in shaft collars, split shaft collar,bushing,sheaves,pulleys,couplings,

weld-on hub,any issue pls come to feel free to make contact with with us, search forward to work with you!

 

 

 

To Be Negotiated 200 Pieces
(Min. Order)

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Application: Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory
Standard: Browning
Surface Treatment: Black Oxide
Production Type: Single Production
Machining Method: CNC Machining
Material: Steel

###

Customization:

###

Standard: Browning

###

Material: Carbon Steel

###

Surface treatment: black oxide,Znc plated

###

Size: accord the drawing

###

Certification ISO9001:2015 Certification

###

###

Size: accord the drawing

###

Certificatio ISO9001:2015 Certification
To Be Negotiated 200 Pieces
(Min. Order)

###

Application: Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory
Standard: Browning
Surface Treatment: Black Oxide
Production Type: Single Production
Machining Method: CNC Machining
Material: Steel

###

Customization:

###

Standard: Browning

###

Material: Carbon Steel

###

Surface treatment: black oxide,Znc plated

###

Size: accord the drawing

###

Certification ISO9001:2015 Certification

###

###

Size: accord the drawing

###

Certificatio ISO9001:2015 Certification

bronze bushing
China Custom Made Black Oxide Double Split Quick Clamp Shaft Collar DSC 3′ ′ , DSC3-7/16′ ′     bushing design		China Custom Made Black Oxide Double Split Quick Clamp Shaft Collar DSC 3′ ′ , DSC3-7/16′ ′     bushing design
editor by czh 2022-12-19

China Custom Bronze  Bushing Copper Bush Shaft Sleeve Slide Cast Bronze Bushing with high quality

Item Description

Casting CNC Processing Bronze Sleeve Copper Alloy Bronze Bush

 

Product DESCRIPTION

Casting CNC Processing Bronze Sleeve Copper Alloy Bronze Bush
(1) based on the copper alloy.
(2) offer technically and economically favorable bearings answers.
(3) of substantial load functionality, reduced bodyweight and very good corrosion resistance.
(4) can supply diverse types of bronze alloys according to the necessary life time, service and many others. The tolerance is considerably tighter than wrapped bronze bushes.
(5) broadly used in device-device, agricultural equipment, crane electromotor, spring pin, steering shaft and transmission, and so forth. We can use distinct copper alloy content as for each customer’s demands.

Physical and Mechanical Functionality

 

Thorough Photographs

 

Business PROFILE

 

EXHIBITION Present


 

PACKING AND Delivery

 

1. Internal Packing

For small merchandise: 100PCS-200PCS for each sealed plastic bag.
For bigger goods: 2PCS-10PCS for each plastic film roller (relies upon on the solution measurement)

2. Outer Packing&Shipment Packing
8PCS-300PCS for each carton (depends on the merchandise measurement)
 

3. Shipment Packing

eighteen-24 cartons for each wooden situation or pallet, shockproof and protected for transportation.

 

 

FAQ

Q: Are you buying and selling business or manufacturer?
A: Our administration is centered on exporting activities for much more than ten several years and we have our very own bushing manufacturing unit. TEHCO is usually professional and trustworthy. Our positive aspects are a number of source integration, strong quality assurance and outstanding services stage. We are always responsible for our items.

Q: Hong long is your delivery time?
A: Generally ten-twenty five days right after order. It relies upon on the quantity.

Q: Do you create samples? Is it free of charge or extra?
A: For normal items, we create samples free of charge of charge for our clients. And the specific fees will be burdened by the buyer, but can be returned following the buy is positioned.

Q: How to make certain the quality?
A: We make as for every the confirmed technological innovation or drawings for every get for our buyers. And our factory has a rigorous top quality management technique. We inspect goods in the course of generation according to a specified frequency and we also complete the final inspection before the products are packed.

Q: Do you like to provide the clients only with tiny orders?
A: We are constantly happy to develop up with each other with all our customers whatever huge or small.We hope our buyers turn out to be stronger and more robust to be with us.
 

What you need to know about bushings

If you are in the marketplace for a casing, there are a handful of issues you must know ahead of purchasing. Very first, a bushing is a mechanical portion with a rotating or sliding shaft component. You can discover them in almost all industrial apps thanks to their exceptional load-carrying capacity and anti-friction properties. They are particularly essential in design, mining, agriculture, hydropower, substance handling, and more.
bushing

Casing application

The casing marketplace is mainly driven by the development of the energy era market. The increasing electrification of Asia Pacific and the deployment of renewable energy in countries these kinds of as Saudi Arabia and the UAE are driving the demand for distribution transformer bushings. In addition, the demand for bushings in Western Europe is also most likely to improve with the spread of renewable strength and the installation of electric powered car charging infrastructure. Nonetheless, the marketplace in Asia Pacific is anticipated to continue being small when compared to the rest of the planet.
Though bushings are reasonably pricey, they are very tough and cost-effective. Moreover, bushings have a selection of apps, producing them an important ingredient in electrical power transformers. For example, electricity transformers frequently use bushings to obtain relative movement by sliding or rolling. The automobile suspension method also makes use of rubber bushings for a clean trip and rotating bushings for equipment-relevant operations. They call for precision machined areas and are particularly helpful in purposes where substantial loads and friction must be managed. Also, plastic bushings are utilised for wheels in dry kilns, where lubrication is often troublesome.
Transformers need continual monitoring, which is a single of the causes bushings are so critical in electrical power transformers. Any failure of these parts could end result in the complete loss of the transformer and all bordering products. To sustain high technique reliability, utilities have to keep an eye on insulation in and around bushings, particularly if transformers have been in use for a long time. Some utilities have produced monitoring the condition of their transformers an critical component of their intelligent grid strategies.

Substance

The main of the dry casing has numerous substance interfaces. The discharge most very likely originates in close proximity to the edges of the foils and can cause electrical tree expansion or breakdown amongst adjacent foils. Several scientific studies have investigated interfacial consequences in composite insulating resources and concluded that the conditions beneath which the interface takes place is a important issue in identifying the expansion of electrical trees. This research identified that material sort and interface problems are the two most crucial variables for the development of electrical trees.
Bushings can be made of many diverse components, depending on their goal. The primary purpose of the bushing is to assistance the assembly even though defending it. They need to be stiff sufficient to help the load placed on them, and adaptable sufficient to protect the shaft. Given that the shaft is typically not centered on the bushing during rotation, the bushing must be durable adequate to have the load even though even now guarding the shaft. Right here are numerous resources employed for bushings:
A stabilizer bar assembly is a good instance of pre-assembly. This pre-assembly enables the vehicle assembly plant to obtain elements prepared for motor vehicle assembly. The prior artwork demands the automobile assembly plant to separate the bushing from the stabilizer bar. Nonetheless, the current invention removes this step and gives a mechanically rigid stabilizer bar assembly. It is developed to avert audible squeals and increase motor vehicle functionality and managing.
Hardened metal bushings are ideal for pivot and lower pace apps. They are manufactured of substantial carbon steel and completely hardened to fifty six-62 HRC. Bronze bushings demand daily or weekly lubrication but are much more costly than plastic bushings. Plastic bushings are reduced value, low maintenance, self lubricating and do not call for standard lubrication. These are also suited for applications with challenging to attain parts.
bushing

application

Bushings have numerous applications in different industries. Most of the time, it is utilised for drilling. Its superb chemical and mechanical qualities can be used to defend numerous tools. These components are versatile and accessible in a selection of components. All sleeves are packaged according to national and international specifications. They are utilised in numerous industrial processes from development to drilling. Some software illustrations are listed underneath.The component 10 could contain a tank for a liquid this sort of as fuel, and the object twelve might be manufactured of fiber bolstered composite substance. Sleeve assembly 16 is configured to floor component ten and item 12 . It could be a bulkhead isolator forty utilised to isolate electrical charges in aircraft hydraulic traces. Bushing assembly sixteen is one particular of a lot of feasible utilizes for the bushing assembly. The subsequent examples illustrate numerous purposes of bushing assemblies.
Bearings are gadgets utilised to reduce friction among shifting surfaces. They are a good selection for a lot of applications as they are maintenance totally free and extend the lifestyle of machine elements. They can be utilised in a assortment of purposes and are typically used with plastic and steel resources. For instance, Daikin provides bronze and brass bushings. Bushings have many other employs, but they are most generally used in equipment, specially when utilized in low-load environments.
The most frequent software for bushings is drilling. Swivel bushings can be utilised in almost any drilling application. For far more intricate programs, CZPT’s engineering office can create particular patterns to your technical specs. The apps of bushings in machining centers are limitless. By offering a easy, reputable interface, bushings are an excellent choice for precision machining. They can also supply present paths.

Cost

When you have a car that requirements a bushing replacement, you might be wondering about the price of a bushing substitute. The reality is, the expense of a bushing substitution will range commonly, dependent on the certain automobile model. Some vehicles price as tiny as $5, even though other autos can value up to $three hundred. The substitution of a handle arm bushing may possibly not expense that significantly, but it is important to know that it is a reasonably costly portion to replace.
Most mechanics cost around $375 for a job that includes replacing the bushing in a control arm. Nevertheless, this price selection can range considerably, relying on whether the mechanic uses OE or aftermarket areas. In any circumstance, the expense of labor is normally incorporated in the value. Some mechanics may possibly even consist of a labor demand, which is an further value. In basic, nonetheless, the price of a management arm bushing alternative is equivalent to the value of replacing a one bushing.
Handle arm bushings are made of two metallic cylinders secured together by a thick layer of rubber. In excess of time, these areas can deteriorate because of to accidents, potholes, and off-roading. For this purpose, it is essential to change them as quickly as attainable. Bushing substitute can preserve you money in the long operate, and it truly is important to have your vehicle repaired as shortly as attainable. If your control arm bushing is demonstrating symptoms of use, you need to have it replaced before it gets to be totally worthless.
If you have decided to change your suspension bushing your self, the price will be substantially reduce than you would invest on the replacement of other components. If you have a mechanically-inclined mechanic, you can do it by yourself. The parts and labour are moderately low cost, but the most costly element is the labor. Since it requires disassembling the wheel and suspension and setting up a new bushing, it is important to have a mechanic who has a excellent knowing of automobile mechanicry. The price for handle arm bushing substitution is amongst $twenty and $eighty for every bushing, and a set of four charges around $three hundred.
bushing

Disambiguation

If you have come across a page containing details about Bushing, you might have been looking for a lot more information. This disambiguation page lists publications about the individual, but these have not been assigned to him. We inspire you to speak to us if you know who the true author of these publications is. Even so, if you might be searching for certain data about Bushing, we advocate you commence with CZPT.

China Custom Bronze  Bushing Copper Bush Shaft Sleeve Slide Cast Bronze Bushing     with high qualityChina Custom Bronze  Bushing Copper Bush Shaft Sleeve Slide Cast Bronze Bushing     with high quality