In the realm of industrial components, bushings and sleeves play a pivotal role in ensuring the smooth and efficient operation of various machines and equipment. Among the diverse materials available for these components, bronze/graphite bushings and sleeves offer a unique set of advantages.

Bronze, a type of alloy primarily composed of copper, possesses excellent corrosion resistance and wear durability. When combined with graphite, it forms a material that is both strong and lubricious, making it ideal for use in bushings and sleeves.

Our company offers a comprehensive range of bronze/graphite bushings and sleeves in inch sizes to cater to a wide array of applications. Wh you require a small bushing for a precision instrument or a large sleeve for heavy-duty machinery, we have the right solution for you.

The inch sizes we offer provide flexibility and convenience, allowing you to easily integrate our bushings and sleeves into your existing systems. Additionally, the bronze/graphite material ensures durability and long-term performance, reducing the need for frequent replacements and maintenance.

We pride ourselves on our commitment to quality and customer satisfaction. Our bushings and sleeves are manufactured using the latest techniques and undergo rigorous quality control checks to ensure they meet the highest standards of performance.

So, if you're looking for bronze/graphite bushings and sleeves in inch sizes, look no further than our company. Contact us today to discuss your requirements and learn more about how we can help you achieve optimal performance in your industrial applications.

Wrapped Bronze Bearings, Plain Bushing Supplier.

Bronze & Wrapped Bushes. WE offer an extensive and competitively priced range of plain and flanged Bronze bushes.

wrought bronze bushings, bronze bushing, SAE 795 copper bushing, GRAPHITE FILLED DIAMOND INDENT surface finish, lubricating holes,090, 092, 09G bushes

Bushing, Sleeve (1-3/4") 1-3/4" Sleeve Bushing M-0231 257C-29,257C-3,C98-3 P-0260 Bushing,

Sleeve (2") 2" Sleeve Bushing M-0260 257C-30,257C-8,C98-16

Cylindrical Bush Perforated Collar Bush

Copper-Tin-Phosphorus Alloys (Phosphor Bronze Bushing)

Bronze bushing filled with graphites CuSn8, 30x34x25 mm, CuSn8 wrapped bronze bush, oil pocket filled with GRAPHITES, metric size,09G type.
According to the different needs of customers customized products. We Are The Most Professional Bronze Bearings Suppliers, Contact Us For More. Global Shipping.

CuSn8P+Graphite

090 Wrapped bronze bearing are made of tin bronze alloy CuSn8, with diamond-shaped oil pockets rolled on the surface to store grease. It has good fatigue strength and bearing capacity, corrosion resistance, and wear resistance. It is widely used in high-load and low-speed occasions such as agricultural machinery, construction machinery, and construction machinery.

09G Graphite bronze bushing is one of the wrapped bronze bearing with insert the graphite lubricate.

It has the advantages of low friction coefficient, better wear resistance, etc., and can work under oil-free or oil-less conditions. Products are widely used in starting motor hoists, construction machinery, automobiles, trucks, tractors, etc.

Thin Wall Bearings Metric and Inch Sizes | Sleeve Bearing.

Good Wear - Resistance Wrapped Bronze Graphite Inserts Bushing Sleeve MADE-TO-ORDER FROM CHINA.Download brochure.You will find everything about our range of plain bearings in china viiplus plain bearing brochure. From an overview of the plain bearings, an overview of the specifications, to installation instructions and complete dimension tables.It Is Kind Of Bushing Wrapped By Bronze CUSN8 OR CUSN6.5 GRAPHITE Strips.Its Surface May Be Rolled With Spherical Or Diamond Shaped Indentations Or Oil Grooves WITH GRAPHITE Required By Customers. It Is Typically Used In Hoisting Machines, Construction Machinery, Automobile, Tractor Chassis, Machine Tools, Mining Machinery, Trailer, Semi-Trailer Axle Applications Etc.

Your wrapped bronze bushings partner

Made to order from china and logistics expertise far superior to that of any competitor,provide customers with delivery services and product solutions that are second to none. Featuring the world’s widest bushing stock assortment, VIIPLUS gives clients customized size bushings the ability to meet all of their industrial application needs with
one single source.

Phosphor bronze bushings Bronze Rolling Bearings 090 Graphite Bushings Series Features

Easy fitting and lubrication
High load capacity
Inner side can be machined
High level of thermal conductivity
Minimum overall dimensions
Chemical resistance plan Bearings Bronze Sleeve Bushings CuSn8P with Graphite
Oil-bearing It has the characteristics of high carrying capacity, impact resistance, high temperature resistance and strong self-lubricating ability. It is especially suitable for the occasions that it is difficult to lubricate and form oil film such as heavy load, low speed, reciprocating or swinging. Erosion and erosion. The majority of users generally reflect inlaid bearings not only fuel-efficient, energy-saving, but also their working life than ordinary plain bearings. At present products have been widely used in metallurgical continuous casting machines, rolling equipment, mining machinery, ships, steam turbines, turbines, injection molding machines and equipment in the production line.

Efficient Sliding bearing replacement solution

Provides solutions to meet specific application requirements, provides a wide range of standard or custom bearings, in a variety of load, speed and temperature conditions are superior performance.The self-lubricating materials used in our bearings are corrosion resistant, providing superior wear resistance, chemical resistance, cavitation resistance, flow corrosion resistance and fatigue resistance.Since there is no need for lubrication, the equipment no longer needs to stop operation for maintenance, resulting in this low maintenance cost and very saving environmental products.
CuSn8P+Graphite(Qsn8-0.3+graphite)bronze bushings

Plain Bearings BRONZE Gleitlager CYLINDRICAL BUSHES Bronze material | VSB-22

Broad range of bearing material with good antifriction properties for various application are used in the manufacture of Plain Sleeve Bearings, Bushings and Thrust Washers. The components are normally produced from steel-backed and solid bronze strip stock. It is important to consider the operating conditions and characteristics of the available alloys. The factors to be considered in selecting a bearing material are resistance to fatigue, foreign particles, misalignment, imperfect lubrication and operating temperatures.

1. Nickel Bronze (Lead Free)

2. Copper Lead

3. Leaded Bronze

4. Phosphor Bronze (Solid)

5. Leaded Bronze (Graphite Indented)

6. Leaded Bronze (Ball Indented)

7. Lead Bronze (Diamond Indented)

8. Tin Base

9. Silicon Al-Sn

Bronze Wrapped Bearing with Oil Pockets(090 CYLINDRICAL BUSHES standard size table)

VSB-22 CuSn8P Wrapped Bearings

Wrapped Bronze Bearings (low-maintenance), used for heavy load applications, offered with lubrication pockets, grooves or thru holes, plain or flanged bearings and strip
· Bearing material made of solid bronze strip with indents for lubrication
· Good wear resistance, suitable for rough conditions
· Optimum performance under relatively high loads and low speeds
· 1.Easy for fitting and lubricating
· 2.High load capacity
· 3.Inner Diameter machineable parts are available against order
· 4.High level thermal conductivity
· 5.Minimum overall dimensions
· 6.Chemical resistance.
· Initial pre-lubrication at assembly required...
(090 CYLINDRICAL BUSHES standard size table)

The bearings are wrapped from a cold-formed homogenous bronze (CuSn8) with exceptional material properties. The standard sizes are fitted with diamond-shaped lubrication indents in the bearing surface. These indents serve as lubricant reservoirs to rapidly build up a lubrication film at the start of the movement and thereafter reduce the running friction. The material is suitable for construction and agricultural machinery applications.

Bronze Bearings and Bronze Sleeve Bushings made of CuSn8 with Lubrication Indents

Typical Applications

This type of bushing is widely applied in hoisting machines and other construction machines, automobiles, tractors, trucks, machines tools and some mineral engines. It can be fabricated into bushes, half bearings, flanged bushes, taist washers, spherical bearing andsoon.

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.

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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.

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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.

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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.

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