The Symmco Oil Impregnated Sintered Bronze Cored Stock Bronze Bushing is a highly specialized component designed for applications requiring exceptional heat conduction and a long-lasting surface. The core of this bushing is made from sintered bronze, a material renowned for its excellent wear resistance and durability.

The oil impregnation process is a key factor in the bushing's performance. During this process, the sintered bronze core is saturated with oil, which acts as a natural lubricant. This oil-rich structure allows the bushing to self-lubricate during operation, significantly reducing friction and wear.

The high heat conduction properties of the sintered bronze material ensure that heat generated during operation is efficiently dissipated. This not only improves the bushing's overall performance but also extends its lifespan by reducing thermal stress and fatigue.

The long-life surface of the Symmco Oil Impregnated Sintered Bronze Cored Stock Bronze Bushing is a result of its unique construction and material choice. The sintered bronze core provides a robust foundation, while the oil impregnation process creates a smooth and durable surface that is resistant to wear and tear.

Overall, the Symmco Oil Impregnated Sintered Bronze Cored Stock Bronze Bushing is an excellent choice for applications that demand high heat conduction, low friction, and long-lasting performance. Its unique construction and material properties make it a reliable and dependable component for a wide range of industrial applications.

Symmco Oil-Impregnated Sintered Bronze Cored Stock, Shoulder quality, lower price, you are worth choosing

Solid Bronze Bushings Cast Bronze Bushings

Bushings, thrust washers and strips A wide assortment for virtually every application

SOLID BRONZE ALLOY BEARINGS ACCORDING TO ISO 4379

Manganese Cast Bronze Bushings Metal Bearing Alloy C86300 ISO4379
Wh you desire a straight bushing, or a flanged bushing with grease modifications, the bushing parts available in viiplus international will ensure you get what you require.
C86300 (SAE 430B) Bronze Stock Bearing Manufacturer Bronze Bearings Thrust Bearings CNC Machining Flange Bearings
Aluminum Bronze Graphite Parts Self-Lubricating Bronze Metal Bearings,Thurst Plates and
Machine-To-Print-Parts Cast Bronze Bearings and Groove Bushes,This superior level of quality is necessary for the bronze bushings to match CNC pins and shafts, in both performance and part longevity.

Bronze rolled bearing Product parameters

Material for bronze rolled bearings

Our Solid Bronze Alloy Bearings According To Iso 4379 Products

1. High quality raw materials, long service life;

2. Good self-lubrication effect, not easy to slide;

3. Exquisite workmanship, strict and reliable performance requirements of SOLID BRONZE ALLOY BEARINGS ACCORDING TO ISO 4379 products, provide customers with cost-effective SOLID BRONZE ALLOY BEARINGS ACCORDING TO ISO 4379 products, and make SOLID

4. Green material of high quality and environmental protection can be used under high temperature and low temperature.

Standard plain bearings in watertight solid bronze, aluminum bronze or brass. These bearings will be produced according to DIN ISO 4379 (previously DIN 1850-1) and according to the customer's drawing

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Available with and without lubrication grooves. Suitable for grease and oil lubrication.

Bronze Alloy Bearings According To Iso 4379 Products That Make Customers Feel At Ease;

Characteristics

1.High load capacity

2.Self-lubricating under dry operation

3.Possibility to use in presence of fluids

4.Good chemical inertia to corrosive agents

5.Wide range of operating temperature

6.Flameproof

7.Easy to mount

8.Standard items widely available

9.Special items on demand

Application

Mining equipment, crane manufacturing, marine and offshore industry, hydraulic cylinders, construction equipment, vehicle manufacturing.
This kind of precision machining bearings can be used for port machinery, construction machinery, plastic machinery, axle, logistics machinery and other sliding bearings, with good impact resistance, high load and corrosion resistance.

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.

• 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.