The Open Polymer LBM dry running self-lubricating plain bearing, featuring a tin plating finish, offers exceptional performance in a variety of industrial applications. The unique combination of its open polymer construction and tin plating enhances its wear resistance and lubrication properties, ensuring smooth and reliable operation even in dry conditions.

The open polymer material used in the bearing's construction provides excellent mechanical properties, including high strength and durability. This material is also resistant to corrosion and chemicals, making it suitable for use in harsh environments.

The tin plating on the bearing surface further improves its performance. It acts as a protective layer, preventing wear and corrosion, and also enhances the bearing's self-lubricating capabilities. This allows the bearing to operate smoothly with minimal friction, reducing the need for external lubrication and maintenance.

The Open Polymer LBM dry running self-lubricating plain bearing with tin plating is an ideal choice for use in applications where traditional lubrication methods are not feasible or desired. It can be easily integrated into existing machinery and equipment, providing a cost-effective and reliable solution for improved operational efficiency and reduced downtime. Contact us today to learn more about this innovative bearing solution and how it can benefit your industrial operations.

Open Polymer Plain Bearing LBM Dry Running Self-Lubricating

Radial plain bearing self-lubricating bushing supplier Metal-Polymer Self-Lubricating Bearings, bushing for camshaft engine diesel

DESCRIPTION

Self-lubricating steel Open plain bearing LBM, Radial plain bearing

Polymer plain bearing dry runningself-lubricating, Cylindrical plain bearing

DIN 1494 STANDARD INCH BUSHING The slit bushing & Open plain bearing LBM for Chemical Machinery application

CHARACTERISTICS

Type

open

Material

bronze, steel, sintered bronze,

Other characteristics

self-lubricating, lead-free

Length

Min.: 3 mm (0.12 in)

Max.: 100 mm (3.94 in)

Inside diameter

Min.: 3 mm (0.12 in)

Max.: 160 mm (6.3 in)

For generations, the word “quality” has been synonymous with vii plus.
Open plain bearing LBM Widely used in the manufacturing of precision machinery, chemical machinery and ship components.

-Features It is the bearing that has sintered porosity of bronze powder on the steel backplate, with improved self-lubrication and weer resistance by adding potytetraftuoro-ethylene (). which has small friction coefficient, and special filler through impregnation. - Lead-free bearing can be used without lubrication. - Excellent sliding performance under high load and impact load. - Excellent in weer resistance and long life. - Suitable for sliding motion and continued motion Stick-slip hardly occurs. Saint operation can be achieved. Precautions for use * Do not grind the bushing inner surface or the outer diameter to change the size. * Polish the surface of the mating surface to a value better than 3 ¢ max. * Offset the joint of the bushing as far as possible from the maximum load point. * To press fit the bushing, press-fit it vertically into the housing. * Special lock is not required for Drystar. * Initial lubrication can make the product live longer.

The application in the chemical machinery field of petroleum of Open plain bearing LBM is very extensive, mechanical spare bushings part which says to be indispensable.

We Focus Find a VIIPLUS Bushing Product

Your trusted provider of guaranteed chinese-made bushings products.

Choice in Bushings Material Selection

split Open plain bearing LBM for Chemical Machinery application ,such as Chemical raw material conveying pump ,centrifugal pump,Gear pump, reciprocating pump ,Axial flow pump.Pipeline pump.), reflecting the positioning of the stirring mechanism of the kettle shaft sleeve bushings.

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Valve designs

Valves Bushes viiplus bushes: Industrial Bushings supplier in Pneumatic Valves
Provide stable gear pump bearing solutions for industrial production:
Wh it's a modification to an bushings product, a custom design for your application or specific industry need; VIIPLUS is ready to help you get the job done.

• Butterfly valves bushings in metal
• Butterfly valves bushings

Solutions

• Industry Bushings Solutions
• Customer Spotlight
• Viiplus Design

Products

• Valves Bushings Fittings
• Professional fluid control valve bushings
• Safety & Production
• Bimetal Bushings

An Evolution in Air Valve Technology

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Bushings -Logistics-Solutions (never late)
Quality Bushings and Components Metric Gears Bushings

Bronze Bushings Stock Products

Gears Bushings
Bearing Tools Hydraulic Pullers Bearings Hydraulics Bushings
Viiplus supplying custom gears bushings and gear bearings of the highest quality to the customer industry.

Markets Oil and Gas
VIIPLUS provides standard and custom bushings components and assemblies that are safe, dependable and cost effective.
Oil and gas off shore installations are small cities surrounded by endless ocean in all directions. Heavy machinery is pounding daily and the smell of diesel is always present. These installations are packed with complex equipment and systems. Drills Bushings, pump bushings and shakers are in constant operation and need to be 100% reliable. With so many mechanical processes going on, a malfunction can be extremely hazardous and costly.

Bearings & Bushings Maintenance

VIIPLIS offers a wide range of high-quality bushings for safe and efficient use in industrial applications. The sturdy and user-friendly design guarantees years of problem-free operation.Machine breakdowns are frequently caused by bearing damage. Unplanned downtime, as well as unnecessary repair work, can be significantly reduced by periodically checking bearing condition.

• For Bearings and Bearing Related Components (Standard and Custom)
• For Bearings, Services and Maintenance Equipment

Typical Applications

Application Of Bushings

Bronze Bushings Widely Used In Pneumatic, Hydraulic, Fluid Control

Plain Bearings hydraulic system plunger pumpbushing gleitlager

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 CSB-10 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.

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

Tech. Data

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

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Projectwith An Application Engineer

Bushing, Bearing, Line Bearing, Coated Bushing, Bush, Bearing, Self-Lubricating Bearing, Sliding Bearing, Bimetal Bush, Wrapped Bronze Bushing, Oiles Bush, Oiles Bearing, Cast Bronze Bearing, Oiles Wear Plate, Oiles Guide Rail, Pom Coated Bearing, Metal-Polymer Composite Bearing, Plain Bush, Supplier, Company

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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