We offer customized high-strength brass straight type C86300 (SAE 430B) manganese bronze plugged graphite bushings that are precisely manufactured to meet your specific requirements. These bushings are made from a manganese bronze alloy that exhibits excellent mechanical properties, including high strength, good wear resistance, and corrosion resistance.

The plugged graphite component provides additional lubrication and wear reduction, extending the service life of the bushing. The straight design allows for easy installation and removal, while the brass material ensures dimensional stability and durability.

Wh you need bushings for heavy-duty machinery, automotive components, or other industrial applications, we can produce them to your exact specifications. Our manufacturing process is backed by strict quality control measures to ensure the highest standards of performance and reliability.

Contact us today to discuss your requirements and learn more about our custom-made high-strength brass straight type C86300 (SAE 430B) manganese bronze plugged graphite bushings.

Customized Graphite Plugged Bronze Bushings & Bearings | Order Today !

Choose your graphitr plugged bronze bushings material C86300

Graphite Plugged Bronze Bushings,Cast Bronze Oilless Parts Matrial:C86300,C93200,C95400.

High Strength Yellow Brass C86300 (SAE 430B) Manganese Bronze Material:CuZn25AI5Mn4Fe3 Plugged Graphite Bushings made to order from china request a qoute

Product Description

C86300 Manganese Bronze (SAE 430B) is a high strength alloy material used as bushings, bearings,valve bushes stems and hydraulic cylinder bushing parts.

Straight type Spherical Bush Unit Pillow Bronze Graphite Bushing Oilless Slide Bearings Manufacturer

C86300 (SAE 430B) Manganese Bronze Bushing, Cast Bronze Bushings, Manganese Bronze Sliding Bearings Products

VIIPLUS Developed high wear resistance, dust resistance, high strength self-lubricating bearing, not only solve the problem of lubrication and reduce the noise to extend the service life, especially in bad mines, field work equipment, such as excavator big arm bearing, chassis walking mechanism, hydraulic cylinder oil pump.

Ship bushing by air,DHL,FedEx,TNT,UPS...

Notice: The sliding bearings weights listed are the best estimates of the actual weights we will ship. They are a combination of the calculated theoretical weights and an average of actual weights. Our weights are conservative to the heavier side but there may be slight variations in weight from bushing to flange bushing or washer.

Material:CuZn25AI5Mn4Fe3

Structure Characteristics and Applications

VSB-50 Solid Lubricating Bearing is produced by strengthening brass that has good physical performance and good capability for casting. What's more, the brass material has pretty good anti-erosion abitity in air, fresh water and sea water. The surface is regularly and finely machined with sockets in which particular solid lubricant is filled.

Sliding Bearings Applications

The product is widely used on consecutive casting and rolling machines, mine-exploiting equipments, ships, steam engine, etc.
Engineering machinery:Especially equipment operating in harsh mines and fields;Such as excavator arm bearing sleeve, bulldozer copper sleeve, chassis walking mechanism, hydraulic cylinder oil pump.VIIPLUS developed shock-resistant, dust-resistant, high-strength self-lubricating bearing, which not only solves the problem of lubrication but also reduces the noise and extends the service life.

Industrial Machinery Application:VIIPLUS bearings have the advantages of extremely low maintenance frequency and little or no oil, plus the performance of reducing running noise, even in the case of no oil supply, its excellent wear resistance can make the equipment stable operation, thus providing an economical and effective solution for the continuous safe operation of industrial equipment.Nowadays, modern chemical industry is more and more demanding for high efficiency and high precision. Meanwhile, environmental protection and safety guarantee have become basic requirements.

EXCAVATOR BUSHES CRANE BUSHINGS LOADER CAST BRONZE BEARINGS INJECTION MOLDING MACHINE

Solid Lubricant Casting Aluminum Bronze Bearings Bushings

VSB-50 SOLID LUBRICANT SLIDING BEARINGS material is made of strong cast bronze based metal with special solid lubricants embedded. The base metal withstands high load and the solid lubricants provide self-lubrication. The bearing shows excellent performance without pre-lubrication under conditions of extreme high/low temperature with low speed. This material provides a maintenance-free bearing solution, particularly for high load, intermittent of oscillating motion.

Chemical Compositions

Bearing forms available in standard dimensions
· Cylindrical bushes
· Flanged bushes
· Sliding plates
SHIPPING:
1.Delivery Time:Usually 15-30 days.Depends on your quantity.
2.Generally Free of standard size sample within 5 days.




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PROJECTWITH AN APPLICATION ENGINEER

Beyond Grease: A Deep Dive into Oilless Bushings & Why Viiplus Leads the Way

Friction is the enemy of efficiency. In countless machines, from massive industrial equipment to intricate automotive components, the constant battle against wear and tear dictates performance, longevity, and maintenance costs. Traditionally, grease and oil have been the go-to solutions, but they come with their own set of challenges: frequent re-lubrication, potential contamination, environmental concerns, and limitations in extreme conditions.

Enter the world of oilless bushings, also known as self-lubricating bearings or sliding bearings. These innovative components offer a smarter way to manage friction, delivering reliable movement without the need for external lubrication.

At Viiplus (www.viiplus.com), we don't just supply these components; we engineer solutions. Leveraging deep expertise in metallurgy and tribology (the science of friction, wear, and lubrication), we've become a leading name in sliding bearing technology. But what exactly are oilless bushings, and why should they be on your radar? Let's dive deeper.

What Exactly Are Oilless Bushings? The Science of Self-Lubrication

Unlike traditional ball or roller bearings that rely on rolling elements and require constant lubrication films, oilless bushings operate on the principle of sliding motion. Their "magic" lies in their material composition and structure, designed to provide their own lubrication at the bearing surface. This can be achieved through several key technologies:

1. Solid Lubricants Embedded: Materials like graphite, MoS₂, or PTFE are embedded directly into the metallic matrix (often bronze) of the bushing. As the shaft rotates or slides, a minuscule amount of this solid lubricant is transferred to the mating surface, creating a low-friction film.

2. Porous Metal Structures: Sintered bronze or iron materials are created with microscopic pores. These pores are vacuum-impregnated with oil during manufacturing. In operation, slight heating causes the oil to expand and seep onto the bearing surface, providing lubrication. When it cools, the capillary action draws the oil back in, creating a closed-loop system.

3. Layered Composites: These often feature a strong backing (like steel), an intermediate sintered layer (like bronze), and a low-friction overlay (often PTFE-based). The PTFE layer provides the primary sliding surface, offering extremely low friction.

Contrasting Logic: Oilless vs. Traditionally Lubricated Bearings

The Tangible Benefits: Why Make the Switch?

Choosing oilless bushings isn't just about eliminating grease guns. It's about unlocking significant operational advantages:

• Drastically Reduced Maintenance: This is the most obvious benefit. No re-greasing means less labor, less scheduled downtime, and simplified maintenance protocols. Imagine the savings across a factory floor!

• Enhanced Reliability: Lubricant starvation is a major cause of bearing failure. Self-lubricating bearings ensure consistent lubrication, leading to predictable performance and longer service life, especially in hard-to-reach locations.

• Superior Performance in Harsh Conditions: Oilless bushings excel where traditional lubricants fail:

  • High Temperatures: Certain types can operate at temperatures far exceeding the limits of conventional greases.

  • Low Temperatures: No grease means no stiffening or freezing issues.

  • Contaminated Environments: The absence of sticky grease reduces the ingress of dirt, dust, and debris.

  • Vacuum or Underwater: Ideal for applications where liquid lubricants are impractical or impossible.

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• Cost Savings (Total Cost of Ownership): While the initial purchase price might sometimes be higher, the TCO is often significantly lower due to savings on lubricants, labor, downtime, and potential component failure replacement.

• Environmental Friendliness: Eliminating oil and grease leakage prevents contamination of products, machinery, and the environment. Crucial for industries like food processing, pharmaceuticals, and textiles.

• Compact & Simplified Designs: Without the need for lubrication systems (nipples, lines, reservoirs), machine designs can be more compact and streamlined.

Exploring Viiplus's Portfolio: Finding Your Solution

Viiplus offers a comprehensive range of self-lubricating bearings designed to meet diverse application needs. Understanding the different series helps in selection:

• JDB Series (Graphite Plugged Bronze): Excellent for high-load, low-speed applications, intermittent motion, and high temperatures. The graphite plugs provide continuous solid lubrication. Ideal for heavy machinery, molds, and hydraulic components.

• SF Series (PTFE-Based Composite): Typically metal-backed (SF-1: steel, SF-2: steel/bronze) with a PTFE-based lining. Offers very low friction, good wear resistance, and suitability for dry running or marginal lubrication. Common in automotive, office equipment, and hydraulics.

• JF Series (Bimetal Bushings): Combines a steel backing with a sintered bronze or lead-bronze lining. Good load capacity and fatigue strength. Often used with grease or oil but can operate marginally lubricated. Found in engines, chassis parts, and agricultural machinery.

• FB Series (Wrapped Bronze): Often made from bronze strip, sometimes with lubrication pockets or through-holes. A cost-effective solution for medium loads and speeds, typically requiring initial greasing but offering extended re-lubrication intervals.

Quick Comparison Chart (General Guide):

(Note: This is a simplified guide. Always consult specific product data sheets or Viiplus experts for precise application requirements.)

Uncertain which material or type suits your project? Our Bushing Material Selection Guide is designed to help, or Contact Us for a Free Quote and Expert Advice.

Why Partner with Viiplus? Expertise Meets Quality

Choosing the right supplier is as critical as choosing the right bushing. Here’s why companies worldwide trust Viiplus:

• Deep Expertise: Our foundation in metallurgy and tribology, coupled with a talented R&D team, means we understand the science behind reliable movement. We don't just sell; we solve friction challenges.

• Uncompromising Quality: We employ advanced manufacturing techniques (including sand casting, centrifugal casting, metal casting, investment casting) and a rigorous quality management system, ensuring every bushing meets the highest standards.

• Comprehensive Range: From standard metric sizes in JDB, SF, JF, and FB series to custom solutions including cylindrical, flange, double flange bushings, wear plates, and guide rails – we have the portfolio to match your needs.

• Global Reach, Seamless Logistics: Based in China, we ship sliding bearings worldwide. Our professional team handles customs clearance efficiently, ensuring smooth, timely delivery with all necessary documentation.

• Customer-Centric Approach: We believe in ethical practices and building trust. We offer flexible production (single units to large series), competitive pricing, and  online support.