Steel-backed self-lubricating bronze bushings with material offer a unique combination of strength, durability, and lubrication properties that are ideal for a wide range of industrial applications.

The steel backing provides excellent structural integrity and rigidity, ensuring the bushings can handle heavy loads and demanding operating conditions. The bronze material, on the other hand, adds corrosion resistance and wear resistance, further enhancing the bushings' durability.

The key feature of these bushings is their (Polytetrafluoroethylene) lubrication layer. is a synthetic fluoropolymer known for its low-friction properties and exceptional chemical resistance. This lubrication layer significantly reduces friction and wear during operation, minimizing the need for external lubrication and maintenance.

The self-lubricating nature of these bushings means they can operate smoothly and efficiently for extended periods, even in harsh environments. This feature makes them particularly suitable for applications where regular lubrication is difficult or impractical.

Our company manufactures steel-backed self-lubricating bronze bushings with material using the latest manufacturing techniques and strict quality control procedures. We ensure that each bushing meets the highest standards of performance and reliability, ensuring a long service life and optimal performance in your industrial applications.

Wh you're upgrading existing equipment or designing new machinery, our steel-backed self-lubricating bronze bushings with material can provide a robust and cost-effective solution. Contact us today to learn more about our products and how we can help you achieve superior performance in your industrial operations.

Steel Backed Metal-Ploymer Composite Bushings Material

China Self-Lubricating Bearing. Maintenance Free Plain Bearings, Factory Price, Contact Us!

We have a complete range of Self Lubricate Bearings.

Self-lubricating Bearings - welcome to http://www.bronzegleitlager.com

Composite plain bearings are mainly used in bearing assemblies where heavy loads have to be carried and where rotational or oscillatory movements are relatively slow.
Thanks to their good sliding properties and compact design, these plain bearings are especially suitable for bearing assemblies where.

Metal-Polymer Bearings

• Suitable for low-speed and heavy-load, continuous rotation and swing, etc., where oil lubrication is not possible or oil lubrication is not allowed

• Simplify oil supply design and reduce repair and maintenance costs and time

• Good wear resistance, low friction coefficient, long service life

Metric flanged bushings, made of triple-layer composite material

Steel+Porous Bronze+/Fibre

Bi-metal Steel Backed Bronze /Fibre Bearing Bushing

Comparing with normal CSB-50, the thicker layer of this material is machinable after assembling to achieve a higher tolerance grade.

At the same time, the thicker layer provides flexible torque range and a large range of clearance requirements for variaty of applications.

Self-lubricating bushings CSB-50DH Feature

The material is with good wear resistance, low friction coefficient,weather resistance and high temperature resistance.

It is suitable for the applications where the stable torque requirement must be satisfied by calibration after assembling of the bearings.

Self-lubricating bushings CSB-50DH Material Structure

1. /Fibre mixture thickness 0.02~0.06mm, provides an excellent initial transferred film, which effectively coats the mating surfaces of the bearing assembly to establish the self-lubricating feature.

Self-lubricating bushings CSB-50DH Technical Data

The material is suitable for the applications of door hinge, hood hinge, trunk hinge, damper, seat recliner and so on.

Selection Self-lubricating Bearings Size - Choose Your Proper Metal-ploymer Comsposite Bushings Online

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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