Our customized half self-lube bushings are precision-engineered components that combine the advantages of graphite bronze with innovative lubrication and grooved design features. These bushings are specifically tailored to meet the unique requirements of various industrial and mechanical applications.

The graphite bronze material provides excellent wear resistance, strength, and corrosion resistance, ensuring the bushings' durability and long-term performance. The self-lubricating properties of the material help reduce friction and heat generation, resulting in smoother and more efficient operation.

The bushings feature plugged oil holes that allow for the controlled introduction of lubricating oil, further enhancing the lubrication process and extending the bushings' lifespan. The grooved design adds to the bushings' functionality, providing additional channels for oil distribution and heat dissipation.

The customized nature of these bushings means that they can be tailored to fit specific applications and mechanical systems. Wh you need bushings for high-load, high-speed, or high-temperature applications, we can provide a solution that meets your exact requirements.

In summary, our customized half self-lube bushings with plugged graphite bronze, oil holes, and grooved design offer a robust and efficient solution for various industrial and mechanical applications. They are designed to reduce friction, extend lifespan, and enhance overall performance.

Customized Half Bearings Plugged Graphite Bronze Oil Holes Grooved

SELF-LUBRICATING OIL-LESS Oil & Grooved TYPE BUSHINGS IN STOCK: Inch - Metric C863 Manganese bronze Half Bearings Plugged Graphite Bronze made to order from china,The split type inlaid bearings produced by our company are double flanges at both ends, side flange type, middle flange type and straight sleeve type, which are divided into two semicircle solid inlaid self-lubricating bearings.Its size standard after subdivision is not standard, medium length size can be determined according to user requirements.

Material:

Structure is copper alloy brass :ZCuZn25Al6Fe3Mn4 (main chemical components Cu Al Mn Fe Ni Zn percentages are: 60 ~ 66% 5.0 ~ 7.5% 2.5 ~ 5.0% 2.0 ~ 4.0% 0.2 ~ 0.5% 22 ~ 28% respectively.It is based on brass of special techniques. The solid lubricant is inlayed by certain angle, density and special formula, and then is processed exactly.

Half Cast Bronze Bearings Manufacture

The solid lubricant is embedded in the matrix, which is divided into two semicircles through multiple machining processes.Because of its two ends have flange, so can not be installed from the end face of the seat hole, can only be divided into two semicircles, in the installation of a whole.
It is characterized by limiting the axial two-way transmission, and has the characteristics of self-lubricating bearing such as no refueling in general working conditions, high temperature resistance, maintenance-free, high bearing capacity and long life.We can customize different materials, different sizes and different types of inlaid bearings according to customer requirements.Technical advice and product requirements, please contact us.

Half Sliding Bush Material Editing

Bearing shell material is characterized by low friction coefficient, sufficient fatigue strength, good running-in and good corrosion resistance.Common bearing bush materials include self-lubricating bearing materials (), copper alloy, wear-resistant composite bearing materials, etc.
Non-lubricated bearing bush materials mainly include polymer, carbon graphite and special ceramics.

Polymer Sliding Bush

Polymer also known as organic polymer materials, engineering plastics.Common materials are phenolic resin, nylon, and so on.Non-lubricated bearings made of plastics (such as ) are resistant to strong acids and weak alkalis, with good insert, abrasion reduction and abrasion resistance.The sheet is pressed into lip sealing ring, bearing bush, piston ring and gasket, which are used in belt conveyor, typewriter, sewing machine, electric phonograph disc, water pump, textile machinery and agricultural machinery.
Polymer has the characteristics of light weight, insulation, friction reduction, wear resistance, self-lubrication, corrosion resistance, simple molding process, high production efficiency.Compared with metal materials, their tribological properties are sensitive to ambient temperature and humidity, and have significant viscoelastic properties, so the gap between bearing bush and journal is large.Because of its low mechanical strength, small elastic modulus, poor absorption of lubricating oil, and limit the working speed and pressure value of bearing bush.

Related Products Graphite Bronze Bushing

The sliding bearing thurst washer & plate - graphite material can be used in harsh environment.The more graphite, the softer the material, the smaller the friction coefficient.

Cast Bronze Bushings

VIIPLUS Sliding Bearings china manufacturers of bronze bushings and bearings.
We specialize in quality bronze parts with exceptional customer service. standard size cast and bimetal bearings. made metric bearings and bushings. We maintain a huge stock of standard sizes in cast bronze and self lubricating bushings. Online purchase

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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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