Large size split bushing sleeves made of CuSn8 and CuSn6 are high-performance components designed for heavy-duty applications. These bushing sleeves are constructed with a split design, allowing for easy installation and removal, even in tight or inaccessible spaces.
CuSn8, also known as phosphor bronze, is a copper-based alloy with a high tin content. It offers excellent strength, wear resistance, and corrosion protection, making it suitable for demanding applications. CuSn6, on the other hand, is a similar alloy with a slightly lower tin content, providing a good balance between strength, ductility, and machinability.
Both CuSn8 and CuSn6 split bushing sleeves are capable of handling high loads and pressures, ensuring reliable performance in a wide range of industrial settings. Their precision-engineered design ensures proper alignment and minimal friction, resulting in longer service life and reduced maintenance requirements.
The large size of these bushing sleeves allows them to be used in heavy-duty machinery, equipment, and structures where conventional bushings may not be suitable. Their versatility and durability make them an excellent choice for applications requiring high-precision alignment and load bearing capabilities.

Bronze Sleeve Bushings

The CuSn6/CuSn8 Tin bronze sleeve bushing & sliding bearings can be offered with pockets, grooves or thru-holes for heavier applications.Wrapped bushing, Bronze CuSn8P, DIN 1494 / ISO 3547, Low-maintenance made to order from china company factory.Bushings belonging to TIN BRONZE WRAPPED SLEEVE BUSHES series are available in metrical and inches dimensions, in agreement with DIN 1494 and ISO 3547.

Calculations

SAE 660 SLIDING BEARINGS,Inner diameter,mm,Length,Load F,Speed,CALCULATE,Sliding speed,Pressure PV value & Load,If you need assistance, please send inquiry to us:tiffany@viiplus.com

Technical Details

Specific load capacity static≤ 120 [N/mm2]

• Specific load capacity dynamic≤ 40 [N/mm2]
• Sliding speed≤ 2.5 [m/s] depending on lubrication
• Friction value0.05 [µ] to 0.12 [µ]
• Temperature strain- 40 [°C] to + 250 [°C]
• Max. PV-value2.8 [N/mm² x m/s]

✔ Standard-Stocked Tin Bronze Bushings Material

The lead content in high leaded tin bronze alloys is between 7.00% and 15.00% strips,Alloy C93200, also termed C932, bearing bronze, SAE 660, SAE 660 bronze, and SAE 660 bearing bronze

Similar or Equivalent Specification Bushing Alloy Material

Bronze Bushings Assembly

The bearings are intended to be pressed into a housing with H7 tolerance. The inner diameter of the slide bearing will then hold tolerance H9.
Rolled flange bronze bearings bushings with lubrication pockets.
Bushing Customize Manufacturing
We can offer special sizes, shapes, forms or lengths upon request. Please contact us for a quotation or more information.

Self-Lubrication Bearing

Lubrication should be done through the shafts or radial through the housings. All common grease-types or oil can be used.
If, however, you cannot find what you are looking for please do not hesitate to contact our sales team who will be happy to hear from you and address your requirements accordingly.
Rolled flanged bearing with oil pockets collar Wrapped Bronze Bush Bronze wrapped bearing with Diamond-shaped holes CuSn8. DIN 17662: FB090 FB092 FB092H WF WB700 WB702 WB800 WB802
Bearing Selection VIIPLUS CHINA ONLINE WEBSITE:WWW.BRONZEGLEITLAGER.COM BEARING have developed kinds of bearing material.
According to difference work condition. The user can select the material the material base on bearing work environment, load speed, wear resistance resistance request, moving method, etc.
Bearing Load:
Cylidrncal bushes, flange bushes
P=F/dXL
As the factor of clearance, bushes chamfer, oil groove etc, The actually load(P)is higher than theory of calculation(P)
Bearing Load
Rotating motion
Oscillating motion
Rotating motion
PV is the product of the specific bearing load P and the sliding speed V which is very important design date. We recommend
designlower PV value will leads to longer service life. Also don't exceed the max of material load, speed, temp. and lower if possible.
Self-Lubrication Bearing
The bearing, housing and fitting tools must be kept clean during fitting. Please give special notice to us if you adopt the soft material for housing produce. To make fitting easy. the shaft ends should be chamfered.

Overview

CuSn8 tin bronze turn over axle sleeve copper sleeve
Belong to the high strength heat-resistant bronze, stable mechanical properties under high temperature (400 ℃), has good anti-friction, in the atmosphere, freshwater and seawater corrosion resistance is very good, hot processing good under pressure, strengthening heat treatment, welding, is not easy to fine welding, machinability is good

We have a large selection of 090 & 092 Cu Sn8. DIN 17662 plain and flanged bearings for various applications. With standard stock and inch 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 bushings 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.
The raw material of FB090 is hot - rolled high - grade phosphor - containing tin - green alloy.This type of sliding bearing is mainly designed to withstand heavy loads and impact.The whole bearing sliding surface contains lubricating oil holes, which form a lubricating film during operation and start-up to reduce friction.FB090 for radial, swinging and axial motion, especially for medium to high loads.
Metal Bronze raw materials are the most important technical and material basis of modern industry

Main bronze bushing products: copper alloy, brass, lead brass, tin brass, tin bronze, phosphorus bronze, aluminum bronze,aluminum brass, tin brass, tin bronze, special specifications can be customized!

Structure Characteristics

1.Easy installation

2.Oil pockets store lubricating oil

3.High load capacity

4.Operating well in harsh working conditions

5.The operating temperature of a wide fan

Main Applications

Bronze bushing with oil pockets application for Forestry, construction and agricultural machinery, cranes, forklifts and lifting equipment, etc.
Sleeve Shape and Type
Non-standard Bronze Bushings size custom
We can recommend the corresponding size, shape, and shape or length according to the requirements.Please contact us for quotation or more information.

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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