When it comes to industrial bearings, bimetal bearings with steel backing offer exceptional performance and durability. These bearings are designed with a steel backing layer that provides structural support and a metal alloy friction-bearing layer, often composed of materials like copper, tin, and zinc, which are optimized for wear resistance and sliding friction.

One of the key features of these bearings is the inclusion of oil grooves and indentations. Oil grooves are strategically placed channels that allow for the distribution of lubricant throughout the bearing surface. This ensures even lubrication, reducing friction and wear while improving the overall performance of the bearing. Indentations, on the other hand, provide additional oil retention capabilities, further enhancing the lubrication and extending the bearing's service life.

Moreover, these bimetal bearings can be customized to fit specific applications. Wh you need wrapped bushes or other configurations, these bearings can be tailored to your exact specifications. The steel backing layer can be cut, shaped, and wrapped to fit various applications, ensuring a perfect fit and maximum performance.

In summary, steel backing bimetal bearings with oil grooves, indentations, and custom sizes for wrapped bushes offer a robust and reliable solution for industrial applications. Their superior wear resistance, even lubrication, and customizability make them an excellent choice for a wide range of industrial applications.

VIIPLUS International China Specialized Metal Sintered Steel Backed Bronze Bushings sourcing made to order online from china

Bimetallic composite bearings to high-quality low-carbon steel substrate, the surface of the sintered copper alloy with low friction characteristics (CuPb10Sn10, CuPb6Sn6Zn3, CuPb24Sn4, CuPb30, AlSn20Cu, CuSn8Ni....) as bearing wear layer

Download Our Complete Bi Metal Bushing Catalogue china

BIMETAL PLAIN BEARINGSSTANDARD SAE 792 INDENTS CYL...

The Self-Lubrciating Bearings of Technology.As China Manufacturer in the field of oilless bushing technology, VIIPLUS Oilless bearing suppliesa range of plain bearings products that has gained an excellent reputation for reliability and performance.

Steel backing Bimetal Bearings Oil grooves & indentations Customer Size Wrapped bushes

BiMetal Made in China JF 800 Steel backing with CuPb10Sn10 or CuSn6Zn6Pb3 liners. This grade is best applied in lubricated pin bushings for application in suspensions, off road construction equipment, auto chassis points and areas where speeds are medium range but high impact is possible. Bimetal sleeve bushing are made of bronze or steel backing structures with sintered liners of different compositions. All of these bushes are rolled bearings like our standard made in china products.

Idler Roller Series Bushings JF-800 Bimetal Bearing Bushes Sizes | Self Lubricating Bearing

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 self-lubricating bearing is a copper alloy layer with excellent wear resistance, which is based on high quality low carbon steel and sintered on the surface.The surface of the copper alloy layer can be processed into various types of oil groove, oil storage pit, oil hole and so on according to the working conditions, so as to be suitable for the occasions where it is impossible to oil continuously or difficult to oil.The copper alloy layer can provide two kinds of alloy materials including lead and lead-free.

Organizational characteristics

Chemical composition

Detailed Information

Bimetal bearing this product is one of the most powerful bearing capacity of double alloy bearing, the balance bridge bushing and gasket of heavy duty vehicle; The moving wheel and supporting wheel of the bulldozer; Automobile steel sheet bushing, all use this product. It is a widely used high - load low-speed sliding bearing.bimetal bearing is made of low carbon steel plate and surface sintered CuPb10Sn10 or cusn6zn6zn6pb3 material.

Characteristics

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.

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1.Sintered bronze lazer: God 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.

Bimetal Bushings Size

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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.

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.

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.