Bronze, an alloy of copper primarily mixed with tin, has long been renowned for its exceptional mechanical properties, corrosion resistance, and casting abilities. When bronze is combined with solid lubricant and fashioned into a straight bushing with specific dimensions of 45mm inner diameter (ID), 55mm outer diameter (OD), and 40mm length, it creates a unique component that offers superior performance in various industrial applications.
The embedded solid lubricant within the bronze bushing serves to significantly reduce friction and wear, thus enhancing the operational efficiency and lifespan of the bushing. This combination of bronze and solid lubricant ensures smooth and reliable operation even in high-temperature or high-pressure environments.
The bushing's dimensions, specifically the 45mm ID, 55mm OD, and 40mm length, are carefully chosen to fit within specific mechanical systems and devices. Wh it's used in a machinery's rotating assembly or as a guiding component in a linear motion system, this bronze bushing with embedded solid lubricant ensures precision and durability.
In summary, the bronze with embedded solid lubricant straight bushing, with its specific dimensions of 45mm ID, 55mm OD, and 40mm length, offers a robust and long-lasting solution for various industrial applications where friction reduction and wear resistance are critical.

Graphite Plugged Bushings

Tuleja SOB 455540 - Straight Bushing - 45 mm ID, 55 mm OD, 40 mm Length, Bronze with Embedded Solid Lubricant Material
Grease groove bearing - Click here to display the page: https://www.viiplus.com

Graphite copper sleeve is a self-lubricating bearing with high strength copper alloy as the base material, and holes are machined on its working surface and filled with solid lubricant in a certain proportion according to the working conditions.This copper alloy embedded solid lubricant bearing combines the high bearing capacity and wear resistance of the copper alloy with the self-lubricating property of the solid lubricant, which eliminates the need for refueling and maintenance during use.Especially suitable for high load, high temperature, low speed and other parts that can not be refueling or difficult to form oil film.

Product description

Serviceable without the need for lubrication
Demonstrates high performance under middle-load and middle-speed operations
Usable at high temperatures
Has superior chemical and corrosion resistances

Specification:

bore diameter: 45 mm
maximum p value: 15 N/mm2;Static 49 N/mm2
outside diameter: 55 mm
maximum v value: Dry 0.40;Periodic Lubrication 0.85 m/s
overall length: 40 mm
material specification: 500B
sleeve bearing type: Plain Sleeve
standards met: RoHS
bearing material: Bronze with Embedded Solid Lubricant
series: JDB series
operating temperature range: Periodic Lubrication -40 to +302 F, Dry -40 to +482
additional details: Lead Free
maximum pv value: Periodic Lubrication 1.65 N/mm2 x m/s, Dry 1.00

Product advantages

● it can be used for a long time without maintenance;
● designed for high static load and dynamic load;
● with a very low coefficient of friction, no "adhesion" phenomenon;
● dust resistance, corrosion resistance, impact resistance and edge load resistance;
● metal substrate has good shock absorption capacity;
● can be used in a wide temperature range;
● suitable for reciprocating, rotating and swinging and other starting frequent but difficult to form oil film occasions;
● with very low wear rate, long service life.

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Use the search below http://www.bronzegleitlager.com to search the entire site with Google Custom Search or use the box top right of any page to find products in our online store.

C86200 (SAE 430A) bronze alloy material is used for a number of applications including gears, struts, bushings, shafts and worm gears.
Plain Bearing Components & Bushings
Bronze Bushes made to order from china. Depending on the application, we offer guide elements for self-assembly of custom-made die sets or devices in various designs.
Cast Bushing Inch and Metric
Manganese bronze alloys can operate under very high loads and speeds. However, bearing applications require reliable lubrication. Besides excellent mechanical qualities, these alloys have good corrosion resistance. The standard alloy in this group is high tensile C86300, which is comprised of copper, manganese, aluminum and iron. This combination raises the tensile strength to over 110,000 KSI.
VIIPLUS supply manufactures straight and flange bushings and wear plate strip of all sizes that are precisely ground and thoroughly checked to assure complete interchangeability and eliminate the necessity of select fitting.VIIPLUS export the best quality bronze manganese bronze bushing in bronze alloy standard SAE430A C67500 C66800 C67400 C67600 C86200 C67000 BS 1400/HTB-3 with high precision and reliable performance.
Self Lubricating Bushings Guide Bushing
C86200 (SAE 430A)Chemical Composition

Similar or Equivalent Specification

Calculate the Bushing Parts weight based on the size and dimension Includes instant access to CAD data.

Typical Uses

Industrial: sliding bearing,bushings, cams, wear plate,washer, dies parts, shafts, valve stems, strips
We offer bronze bushes, guide bushing, oilless bushing, steel bushes, self lubricating bushings and pillar bush from china.
Products made to order from china:Composite Bearings,Dry Bearings,Self Lubricating Bearing,Wrapped Bronze Bearing,Bimetal Bearings,Bimetallic Bushings,Steel Bronze Bushings,Steel Bushing,Steel Bearing.Graphite Steel Bearing,OILLESS BEARING,Bronze Bushings,Graphite Bushings,Sinter Bearing,Ball Bearing Cage,Bronze Alloy,Naval Brass Alloy,Leaded Red Brass Alloy,Aluminum Bronze,High Leaded Tin Bronze,Leaded Tin Bronze,Manganese Bronze,Nickel Aluminum Bronze,Phosphor Bronze,Tin Bronze

https://www.viiplus.com

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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