Wrapped flange bronze bushes are precision-engineered components specifically designed for crane and lifting applications. Constructed from high-quality bronze material, these bushes exhibit superior wear resistance, corrosion resistance, and mechanical strength, ensuring reliable and long-lasting performance.

The wrapped flange design offers several advantages in crane and lifting applications. It provides additional support and stability to the bush, enhancing its ability to withstand the high loads and vibrations often encountered in these environments. This design also facilitates easy installation and removal, reducing downtime and maintenance costs.

The bronze material used in these bushes offers excellent self-lubricating properties, reducing friction and wear during operation. This not only extends the bush's lifespan but also ensures smooth and efficient performance, critical in crane and lifting applications where precision and reliability are paramount.

Furthermore, the bronze bushes' corrosion resistance ensures that they can withstand harsh environmental conditions, making them suitable for use in outdoor or industrial settings.

In summary, wrapped flange bronze bushes are an ideal choice for crane and lifting applications, offering superior performance, durability, and ease of maintenance. They are designed to meet the specific demands of these applications, ensuring safe and efficient operation.

Alternative BRM-10(WB800,FB800)Crane and Lifting Equipment Bushings,Monometallic Material CuSn8 with Grease Reservoirs

Crane and Lifting Equipment glide bearings to handle very high loads in boomfoot pivots, and hinge and brace points in the mast pendant assembly which are inaccessible for grease lubrication.

FB-090 series bronze bushing.pdf

Wrapped Bronze Bushing Diamond CuSn8 | VIIPLUS Metal Sleeve Material

• Material:

  bronze

• Other characteristics:

  high-performance

• Applications:

  for heavy loads

VIIPLUS is a supplier of self-lubricating bearings for export in China, which is specialized in providing you with sales service of bearings for export.At the same time we also provide British system (non-standard) bearing, can be customized according to the actual needs of customers, to solve the urgent needs of customers.
VIIPLUS since its inception, with "integrity, unity, pragmatic, innovation" as enterprise spirit, adhere to the "first-class talents, first-class achievements, first-class quality, first-class management" business goals, with advanced technology, stable product quality, considerate service, main business is committed to development, giving full play to the advantages of its own technical advantages, product and market advantages, to provide users with machinery and equipment supporting bearings and related products, is a professional bearing sales company.
VIIPLUS will adhere to the business philosophy of "today's quality is tomorrow's market, customer satisfaction is our pursuit", in line with the policy of "technology for development, quality brand", to win customers with high quality products, reasonable price, at the same time leave good interests to customers, leave long-term interests to partners.Warmly welcome customers to visit guidance, business negotiations!
Grasp the world business opportunities, and you work tog to create brilliant.We are responsible for each set of self-lubricating bearings and provide service to every customer. Please contact VIIPLUS TEAM.

VIIPLUS bearings can be made in many sizes and forms, including thin-walled, thick-walled, flanged, cylindrical, sintered and oil-impregnated, and more. Some popular bearing materials and their benefits include:Wrapped Bronze Bushing

Wrapped Bronze bearings are made completely of bronze. They are particularly suitable for applications, which must be re-lubricated due to dirty environments. The sliding surface is provided with lubrication pockets, which contribute to the enhanced lubrication performance.

090 CuSn8P is used as the material to roll diamond or spherical oil holes on the surface to store oil.It has good fatigue strength and bearing capacity, corrosion resistance, wear resistance.Widely used in agricultural machinery, construction machinery, construction machinery and other high load low speed occasions.

VIIPLUS offers a broad range of sizes, forms and materials in bronze bearings. Bronze bushings offer excellent corrosion resistance in industrial outdoor applications and in water, marine and offshore environments.

VIIPLIS BRONZE BUSHINGS 090 can offer some advantages including thin wall, lower weight, cheaper cost, high load etc. It is suitable for high load, lower speed application like construction, Transport, and agriculture machinery.bronze wrapped bushings are made of entirely bronze CuSn8. Because of material properties, the working surface rolled with diamond Indentations (standard Indentations) or stamped oil grooves according to detailed application. And it also has good Performance of anti-corrosion caused by chemical and environments. During the operation, the grease & oil will be released from the Indentations, which allow for long-term lubrication. Compare with Machined bronze bearings;

090 Chemical Composition

Availability

Bearing forms available in standard dimensions

Bearing forms made to order: cylindrical bushes with non-standard dimensions, flanged bushes, sliding plates, customized bearing designs

Bronze Bearings made of CuSn8 with Lubrication Indents

GEROLLTE GLEITLAGER (CUSN8) Wrapped bronze sliding bearing - with lubrication pockets gleitlager VSB-22 090 bushes

Bronze bearings for extra heavy loads.
Characteristics
– Extra high load capacity
– Good lubrication properties
– Wide temperature range
– Easy to assemble

Areas of use e.g.
Forest- and constructional machinery, agricultural machinery, cranes, forklifts, hoisting equipment etc.

Shapes & forms
Plain cylindrical bearings, flanged bearings, thrustwashers, slidingplates.

Product Description

FB090 bearing is wrapped by bronze strip. The material is made of particular formulation with high specific gravity and on its surface may be incorporated with spherical or diamond shaped indentations or oil grooves as required by customer. It is of high load capacity and long life. It can act as substitution of traditional bronze bushing for low cost and performance of anti higher compact. It is widely used in hoisting machines, construction machines, automobiles, tractors, trucks, machine tools and some mining industy.

FB090 Bronze Wrapped Bushing

Technische Daten

• Wrapped bronze sliding bearing

• Low-maintenance

• With lubrication pockets

Properties

• High load capacity and stability at low abrasion, suited for rough operation, corrosion resistant.

Materials

• CuSn8P

Material Properties

• Specific load capacity static≤ 120 [N/mm2]

• Specific load capacity dynamic≤ 40 [N/mm2] at max. 2.0 m/s

• Sliding speed≤ 2.0 [m/s]

• Friction value ***0.08 [µ] to 0.25 [µ] depending on lubrication

• Temperature strain– 100 [°C] to + 200 [°C]

• Max. PV-value2,8 [N/mm² x m/s]

Tolerance Details

• Housing ØH7

• Bushing inner-Ø after mountingH9

• Shaft tolerancef7 to h8

Maintenance

• is a low-maintenance bronze sliding bearing. Primary lubrication is necessary. Oil or grease lubrication is possible. Due to lubrication pockets, clearances are reduced to a minimum.

Range Of Application

• Hydraulic cylinders, construction machines, crane construction, agricultural machines (impact loading)

CAPTION

Special dimensions are available on request

Send us an online enquiry

You can use our “Enquiry Form” to get in touch with us. One of our sales team will contact you immediately.

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.

4.  

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.

•