Our tin-plated self-lubricating bush is specifically designed for excavator cylinders, offering superior performance and durability in harsh working conditions. The tin plating provides excellent corrosion resistance and enhances the bush's lubrication properties, ensuring smooth and reliable operation.

The self-lubricating feature of this bush eliminates the need for regular lubrication, significantly reducing maintenance requirements and operational costs. This bush is also designed with precision to fit the exact dimensions of the excavator cylinder, ensuring a secure and tight fit.

The high-quality materials used in the manufacturing process ensure the bush's durability and resistance to wear and tear. Wh you need to replace worn-out bushes or upgrade the performance of your excavator cylinders, our tin-plated self-lubricating bush is the perfect solution.

Contact us today to learn more about our tin-plated self-lubricating bush for excavator cylinders and how it can improve the efficiency and reliability of your equipment. We are committed to providing you with the best possible solution for your specific needs.

Excavator Oil Cylinder Bushings 90*95*30 Mm

We are the professional manufacture and sale of Excavator Oil Cylinder Bushings 90*95*30

Komatsu Bushings

Stands for premium quality bushing products and services, from self-lubricating bearing design, Oil-free bushing excavator accessories hydraulic cylinder bushings, large bucket arm bushings, cylinder guide bushes sliding bearing 30 height

material choice, engineering support, and sales. Our highest commitment is to provide the highest quality, innovative, environment-friendly sliding oilless bearing products, high level of services for various specific applications.

Examples are companies such as Caterpillar and Komatsu replacement Excavator Oil Cylinder Bushings Bearings in the construction machinery industry, which have many of the industry's sliding bearings technologies and bushing products and have contributed to human progress.

The company to rely on technological progress, the use of the advanced process, introduced advanced equipment; committed to the purpose of lubrication bearings is oilless and the development of new materials developed different areas.

Self-lubricating Bearings Material for Pump Bushings, Protect your pump with these bushing parts.

Material S/s with coating on the inside, (Material Steel + Bronze + ) bushings,

Hydraulic Cylinder Bushings Solutions For Hydraulic Pumps and Motors Shaft Bearing & Wear Plates

Made-To-Order From China Gear Pump & Motors Sleeve Bearings for a Pumps Oil/Grease Application
gear pumps are self-priming positive displacement pumps and they have a very reliable design with self-lubricating Bearing Bushing parts.
Gear pumps require less bushing parts in order to compact design and to save less space. Can be used for both directions with a suitable weight. Application variety with pump bushings.
FITTING BUSHINGS: Sleeve Bushing & Thrust Washer Application variety with different pump size
Operation wide range of viscosity, Easy of usage and maintenance for self-lubricating parts pump design
They are more economical than normal pump bearings design.
Our range of bronze sleeve bushing and stainless steel bearing and plain bearing product solutions that not only meet but exceed customers' demands, solving even the most daunting pipe coupling and fittings challenges. Bearing solutions for hydraulic pumps & motors shaft bearings thrust blocks wear plates hydraulic cylinders bushings.

Detailed Information

Cosidering is the main principle of the oil pump and damper. Sleeve hydraulic bearing is based on or SF-IP. In addition to the same application of SF-IP, SF-ID, it shows its priority when working under high Free reciprocating motion with great lateral force. This is a trend towards the gradual replacement of SF-IP with SF-1D. SF-1D covers widespread use in automobiles, engine dampers, oil cylinder, etc.
Self-lubricating bearings require high reliability in application
We provide bearing solutions for hydraulic pumps and motors, including shaft bearings, half bearings, thrust blocks, wear plates, hydraulic cylinders, connecting rod bearings.Even with the most stringent application requirements, our customers can still rely on our high strength, scratch resistance and low friction aluminum alloy bearings.
External Gear Pump And Motor
Vane Pump And Centrifugal Pump
Radial And Axial Plunger Pumps
Internal Gear Pump And Radial Piston Motor
VIIPLUS provides a complete set of sliding bearing solutions for hydraulic system users. The supplied products include: gear pump aluminum seat assembly, axle sleeve, side plate; Blade pump and plunger pump with oil plate, return disk, axle sleeve; Cylinder liner and so on.
Plain Bearings hydraulic system plunger pumpbushing gleitlager

Characteristics

Metal-Polymer Low Friction Plain Bearings
Steel + Bronze Powder + /Fibre
Self Lubricating Bearings Low-Carbon Steel + Porous Bronze + Red
VSB-40 low friction bushings offer good wear and low friction performance over a wide range of loads, speeds and temperatures in dry running conditions
· Very good performance in lubricated applications
· Good performance in greased applications
· Suitable for linear, oscillating and rotating movements
Suitable for dry running, low coefficient of friction, lower wear, good sliding characteristics, the transfer film created can protect the mating metal surfaces, suitable for rotating and oscillating movement, high chemical resistance, low absorption of water and swelling. The VSV-40 improved the friction and much good wear resistance over the common Sleeve range under lubricated operation.

1. /Polymer fibres mixture thickness 0.01~0.03mm. 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. Steel backing, provides high load carrying capacity, excellent heat dissipation.
4. Copper/Tin plating thickness 0.002mm, provides good corrosion resistance.

Structure & Composition

· Metal-Polymer Composite Bushing Material
· Steel back + Porous Bronze Sinter +
· + Fillers

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

Shaft sleeve bushing for pump sleeve bushing pump pump shaft sleeve bushing pump shaft

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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