Bronze Bushing Metric Sleeve Bearings with Lubrication Pockets, made of CuSn8 and CuSn6 materials, are high-performance components designed to meet the demands of various industrial applications. These bushings feature lubrication pockets that allow for efficient distribution of lubricant, ensuring smooth and reliable operation.

The CuSn8 and CuSn6 alloys, which are the primary materials used in these bushings, are known for their excellent wear resistance and durability. These alloys also exhibit good corrosion resistance, making them suitable for use in harsh environments.

The metric sleeve bearings are precision-manufactured to adhere to strict metric standards, ensuring a precise fit within the desired application. This precision fit helps minimize vibration and noise, while maximizing power transmission efficiency.

The lubrication pockets, strategically placed within the bushings, allow for even distribution of lubricant throughout the contact area. This ensures that the bushings remain well-lubricated, reducing friction and wear, and extending their lifespan.

Wh used in heavy machinery, automotive components, or other industrial applications, Bronze Bushing Metric Sleeve Bearings with Lubrication Pockets made of CuSn8 and CuSn6 materials are an excellent choice for providing smooth and reliable operation. Their durability, wear resistance, and lubrication pockets contribute to their long-term performance and reliability.

Bronze Wrapped Bearings

Bronze Bushing wf-wb802 flange and sleeve bushing With Lubrication Pockets | CuSn8 & CuSn6 Material:https://www.bronzelube.com,Bronze Pivot Bushes 800 series Plain Bushes Split Type with diamond indentation grease pockets.China Sourcing solution for brass & bronze bushing parts.The international supply of industrial technical items, in particular wrappred bushings (self-lubricating or to be lubricated), customized bronze bushing, sleeve bearing and composite bearings.tuleja z brązu typ E92F lub E90F

Structure

high-density bronze is rolled into shape or oil bags and oil holes are specially intergrated into the inner surface to reduce the wearing and prolong the service hours, and it have excellent anti-corrosion functions
Can be provided as form:

1. Straight bushings
2. Flange bushings
3. Thrust washer
4. stip
5. Non-standard products are also avalidable.

Bronze Wrapped Bearings

090 bronze wrapped bearing are wrapped of a cold formable homogenous bronze(CuSn8), which will obtain exceptional material properties. Bearings standard size are fitted with diamond shaped lubrication indents on the bearing surface. These indents serve as lubricant reservoirs to rapidly build up a lubrication film in the start movement and therewith reduce the start friction.

Application Character

the inner surface of the products is full of traces of diamond oil, which can
original grease
minimum oil lubrication, can be applied in water lubrication
environment
Good abrasion resistance, low coefficient of friction, long service life
Can operate consecutively at 100 ℃ - + 200 ℃
Good mending, silent, non-polluting
This light wall can reduce the volume of the machine
high heat dissipation, small coefficient of expansion, stable use, long
service life Excellent wear resistance with lower friction;
The products now are applied in different machine, such as automotive,
pumps, plastic injection machine, auto industry, heavy equipment, etc.

Cylindrical bushing Szie Measurements in mm

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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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