Low Friction Bushing bushes made of materials equivalent to stainless steel backed bushings typically refer to bushings that have a stainless steel backing or substrate combined with a wear-resistant surface material. The stainless steel backing provides strength, corrosion resistance, and dimensional stability, while the wear-resistant surface material, such as a bronze alloy or a polymeric composite, offers excellent wear and friction reduction properties.
The combination of stainless steel and a wear-resistant surface material allows for the creation of Low Friction Bushing bushes that are suitable for demanding applications in harsh environments where corrosion, wear, and temperature fluctuations are present. The stainless steel backing ensures durability and longevity, while the wear-resistant surface material ensures smooth operation and reduced friction, ultimately extending the service life of the Low Friction Bushing bush.
It's important to note that the specific material combination and properties of Low Friction Bushing bushes may vary depending on the manufacturer and application requirements. Therefore, it's recommended to consult with a manufacturer or supplier to determine the most suitable material equivalent for stainless steel backed bushings for your specific application.

Stainless self-lubricating plain bearings (anti-corrosive) Customized Sleeve Bushings manufacturing.

Equivalent Low Friction Bushing bearings replacement sleeve parts, Metal-Polymer Bearings bearings, Wrapped Composite Sliding Bearing .pdf

Our sleeve bushings are suited for many types of applications: ATVs, Mini-cars, Utility Vehicles, Snowmobiles, Scooters, and Electric Vehicles. Each of our Pulley bushing types can be modified by our engineers to be adapted to your specific applications. If your vehicle requires a uniquely designed bushing or flange bearings, the bronze gleitlager R&D Team will design these customized size bushing parts for you.

Upon request, we can offer inch-sizes, special lengths, bearingsApproved according to RoHS Directive Areas of use Foodstuff- and pharmaceutical industries. Offshore and other marine applications.
Automotive shock absorber and Sleeve Bearings Metal-Polymer Low Friction CYLINDRICAL RED | VSB-40

Description

Composed of stainless steel back, sintered porous copper powder interlayer, and modified sliding layer (red). It gives full play to the characteristics of metal and polymer, with low friction coefficient, good wear resistance, and self-lubrication performance; The stainless steel back provides the bushing with higher mechanical strength and carrying capacity. In addition, the stainless steel back has good chemical corrosion resistance. Stainless steel red series products are widely used in printing and dyeing machinery, Marine industrial machinery corrosion resistance parts.

Characteristics

Metal-Polymer Low Friction Plain Bearings
Stainless Steel 316 + Bronze Powder + /RED

Self Lubricating Bearings Stainless Steel 316 + Porous Bronze + Red

Structure

1. /Polymer fibers mixture thickness 0.01~0.03mm. The lead-free bearing layer provides an excellent initial transfer film, which effectively coats the mating surfaces of the bearing assembly, forming an oxide type solid lubricant film.
2. Sintered bronze powder thickness 0.20-0.35mm, provides max. thermal conductivity away from the bearing surface also serves as a reservoir for the mixture.
3. Stainless Steel backing, provides high load carrying capacity, excellent heat dissipation.
4. Copper/Tin plating thickness 0.002mm provides good corrosion resistance.

· Metal-Polymer Composite Bushing Material
· Stainless Steel backing + Porous Bronze Sinter +
· RED + Fillers

Sliding layer + Fillers Porous Bronze Sinter Stainless Steel backing

Availability

Bearing forms available in standard dimensions
· Cylindrical bushes
· Flanged bushes
· Sliding plates
· Thrust washers
· Flanged washers

Metric bearings and imperial bushings made to order: Standard bushing forms in special sizes, half-bushings, stamped/deep drawn shapes, bearings with locating notches, lubricant holes and grooves, customized designs

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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