Need Assistance Selecting The Metallic Self-Lubricating Bushings Cast Bronze Bushings With Solid Lubricant Inserts?

Oil-free cast bronze bushings, integrated with solid lubricant inserts, offer a unique and efficient solution for lubrication-free operations. These bushings are designed to eliminate the need for regular oiling, significantly reducing maintenance requirements and operational costs.

The cast bronze material used in the bushings is renowned for its exceptional strength, durability, and wear resistance. This ensures that the bushings can withstand heavy loads and maintain their performance even under extreme conditions.

The solid lubricant inserts are a key feature of these bushings. These inserts are made from a high-performance material that releases lubricating particles as the bushing rotates, providing a continuous and reliable lubricating layer between the bushing and the mating surface. This eliminates the need for external lubrication, ensuring smooth and friction-free operation.

The combination of cast bronze and solid lubricant inserts creates a bushing that is not only durable but also self-lubricating. This makes it an ideal choice for a wide range of industrial applications, particularly those that require reliable and maintenance-free bearing solutions.

In addition to their lubrication-free operation, these bushings are also easy to install and maintain. Their robust design and material choice ensure long-term reliability and performance, minimizing downtime and operational disruptions.

Overall, oil-free cast bronze bushings with solid lubricant inserts provide a cost-effective and efficient solution for lubrication-free bearing applications, offering superior performance, durability, and maintenance-free operation.

1. It can work under oil-free lubrication or oil less condition for a long time, with good self-lubrication performance. 2. More suitable for heavy load and low speed working conditions, with very good wear resistance and very low friction coefficient. 3. Suitable for reciprocating, rotating, oscillating and intermittent motion, etc. where oil film is difficult to form. 4. With corrosion and chemical resistance.

High force brass part can also be drilled and graphited.

45# steel ring High force brass as the base and inlaid with solid lubricant. Using the frictional heat in use to form a self-lubricating film of oil and ultra-fine powder mixture, breaking through the limitations of general bearings rely on oil film lubrication. High hardness, excellent wear resistance and high load bearing capacity.

If you need help in selecting the best Cast Bronze Bushings products for your particular application, please remember that design engineering and application assistance are available from bronze gleitlager as part of our value-added services designed to make your job easier.

Cast Bronze with Solid Lubricants Cast Bronze Bushings Bearings Catalog

Check out our Cast Bronze Bushings online product catalog with metric size and inch size products with full specifications & CAD drawings available for customized - all free of charge!

self-lubricating bearing, same size, same manufacturing process, lower price

Composition And Structure

Cast self-lubricating bronze bearing with solid lubricant filling

Organization chart

1. Sliding layer oil film

2. Solid lubricant inserts

3. Bronze organization

Chemical elements of matrix material

Principle of self-lubricating bearing

The use of graphite self-lubricating bearing parameters

CAD drawing of a certain size graphite self-lubricating bearing

You can choose the product structure and know our product process

The production process of CuSn6Zn6Pb3 (C86300) graphite self-lubricating bearing column is generally made by CNC vehicles. After that, the 5-axis machining center is used to punch holes, assemble and install graphite, and then conduct performance testing

Application field

At present,CuSn6Zn6Pb3(C86300) graphite self-lubricating bearing the products have been used in metallurgical continuous casting machines, train supports, steel rolling equipment, mining machinery, ships, gas turbines

Contact us

We provide you with special size customization and standard size production, you can choose CuSn6Zn6Pb3 (C86300) material sliding block, bearing sleeve, graphite bearing sleeve, washer, and other products, we will refer to ISO 4379 design or according to their own industry experience to optimize. So choose us.

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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