Bronze Bimetal Pump Bushing with Self-Lubricating and Good Fatigue Properties refers to a type of bushing used in pumps that combines the advantages of bronze material and bimetal construction, along with self-lubricating properties and excellent fatigue resistance.
Bronze, also known as sintered bronze, is a composite material made of metal particles bonded together by a sintering process. It offers good wear resistance, mechanical strength, and corrosion resistance. Bimetal construction means the bushing is made of two different metals, typically a soft inner layer for improved conformability and a harder outer layer for increased durability.
The self-lubricating feature allows the bushing to operate smoothly without the need for external lubricants, reducing friction and wear. This extends the life of the bushing and decreases maintenance requirements.
Good fatigue properties refer to the ability of the bushing to withstand repeated stress and strain cycles without failure. This is crucial in pump applications, where the bushings are subject to constant motion and loading.
Overall, Bronze Bimetal Pump Bushings with Self-Lubricating and Good Fatigue Properties are designed to provide reliable and long-lasting performance in demanding pump applications.

Pump Bearings Supplier

We are committed to helping SME Globle enterprises around the world develop entrepreneurship, promote business development, export more bearings and bushings, and provide one-stop online order Self-lubricating bearing solutions for procurement engineers and purchasing manager.

Your Pump Bushing Partner

Today's business climate demands cost effectiveness, reliability,flexibility & technical support. When specifying and purchasing pump bushings,VIIPLUS is the proven choice for value and performance for both OEM and maintenance water lubricated pump bushing and bearings applications.

VIIPLUS BUSHING MADE IN CHINA material use as a high performance pump bearing. VIIPLUS is an elastomeric polymer alloy that provides exceptional wear life. The Sliding Bearing raw material in china are manufactured to ISO 9001 Quality System requirements ensuring high quality and consistency.

Plain Bearings gearbox bronze gleitlager bushing Gear Pump Bushings Bimetal Bearings Self lubricating beairng gear pump bronze gleitlager | VSB-80
VIIPLUS Bimetallic Bearing's steel-bronze-compound material with indents as reservoir for the grease. JF800 Bimetallic Bearings has high load capacity, very good resistance to fatigue strength at higher temperatures. JF800 Bimetallic Bearings is applicable in rough operation conditions.
Bimetal Bearings Strips, Slide paths Sliding Plate Bimetallic strip Materials


We have a large selection of plain and flanged bearings for various applications. With more than 2,500 dimensions in our warehouse and with the co-operation of skilled subcontractors, we are one of the most reliable suppliers available. With us you can order your products according to your own drawings and specifications or you can choose from our large and wide standard selection. In addition, our short lead times and good logistics makes us an efficient and reliable partner.

Bimetal Bearings

Low Carbon Steel Bi Metal Bearings Tin - Lead - Bronze Alloy For Transmission Gear Box

Steel shell backed with a lead bronze lining bearing material for oil lubricated applications. This material has high load capacity and good fatigue properties, it is widely used in automotive applications such as compressors
hydraulic system application
For Gear Pump Bushings

VSB-80 Bimetallic composite bearings
Steel shell backed with a lead bronze lining bearing material for oil lubricated applications. This material has high load capacity and good fatigue properties. It is widely used in automotive applications such as compressors, steering gear, power steering, pedal bearings, king-pin bushes, tailgate pivots, mechanical handling and lifting equipment, hydraulic motors, agricultural machinery etc.
· Bimetal bearing with steel backing and bronze overlay
· Particularly suitable for high specific loads with oscillating motion and low frequency
· Applicable in rough operation conditions
· High load capacity, very good resistance to fatigue strength at higher temperatures

Strusture

1.Sintered bronze lazer: Good wear resistance and excellent load carrying capacity.

2.Steel backing:Setting the foundation of the bushings,the steel back provides exceptional stability, load carrying and heat dissipation characteristics.

Steel Backing and Leaded Bronze Overlay
Steel + CuPb10Sn10 with indents

Tech. Data

Availability

Bearing forms available in standard dimensions
· Cylindrical bushes
· Thrust washers
Bearing forms made to order: cylindrical bushes and thrust washers with non-standard dimensions, sliding plates, customized bearing designs

This material is recommended to be used under the medium speed and medium load condition with oil or grease lubricating. It is widely used for motor rod ends, Kingpin bushing, undercarriage rollers, hydraulic cylinder rod eyes of construction machines and spherical joint bearings of agricultural machines. Because this material is with lead, the specific parts are not allowed to be used according to certain laws or regulations.

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PROJECTWITH AN APPLICATION ENGINEER
Sliding Bearing, Bimetal Bush, Wrapped Bronze Bushing, Supplier China, High Quality

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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