The C86300 Manganese Bronze Graphite Oilless Standard Bronze Bushing Component is a precision-engineered component made from C86300 manganese bronze alloy, which incorporates graphite as a lubricant. This bronze alloy offers excellent wear resistance, corrosion resistance, and mechanical strength, making it suitable for applications requiring a maintenance-free or oil-free bushing solution.

The graphite inclusion in the alloy provides self-lubricating properties, eliminating the need for external lubricants or oils. This feature significantly reduces maintenance requirements and enhances the longevity of the bushing.

The C86300 manganese bronze graphite oilless bushing component is a standard part that can be easily integrated into various machinery and equipment. It is designed to withstand high loads and frequent operation, ensuring reliable performance over extended periods.

Applications for this type of bushing component include, but are not limited to, heavy-duty industrial machinery, automotive components, and other high-performance applications where wear resistance, corrosion resistance, and low-maintenance requirements are crucial.

When selecting and using C86300 manganese bronze graphite oilless bronze bushings, it is important to ensure that the component is properly installed and maintained to maximize its performance and lifespan. Additionally, consultation with a qualified engineer or manufacturer can provide valuable guidance on the specific requirements and limitations of this material and its applications.

We are a reliable firm counted among the prominent manufacturers and traders of SEMI-AUTOMATIC, AUTOMATIC HIGH-SPEED BOTTLING LINES & PACKAGING MACHINES BRONZE BUSHING (Plug Graphite Bronze Bushing, Bronze Bushing for RINSING, FILLING, SEALING, MONOBLOCKS, COMBIBLOCKS, LABELLING, CASE PACKERS, CONVEYING SYSTEMS, etc.). Made to order from China, we cater to customers all over China and overseas.

C86300 Manganese Bronze Bearings

The robust and corrosion-resistant manganese bronze C86300 (SAE 430B) is ideal for high load, low speed applications that require a combination of excellent abrasion properties and high storage stability.This type of bushing can be used in dry conditions, at high temperatures, high pressures, in corrosive environments, in water or other chemicals where it is not possible to add oil. The graphite bronze bushings are widely used in automotive products, hydraulic engineering, dam gates, plastics manufacturing, later casting machines, steel rollers in metallurgy, mining equipment, ships, turbine generators, water turbines, and injection molding machines.

C86300 Chemical Composition

Oilless Bushes and Self-Lubricating Bronze Bearings / Graphite Bearings

Self - lubricating cylindrical bearing with graphite pin embedded oilless Japanese Standard

Self-lubricated bronze bushings that are manufactured with some form of pre lubrication feature Graphite

Standard Bronze Bushing Components for Press Die & Plastic Moulds

Sleeve lube guide | MOLD AND DIE COMPONENTS

Engaged in manufacturing, marketing, and exporting bronze bushing for SEMI-AUTOMATIC, AUTOMATIC HIGH-SPEED BOTTLING LINES & PACKAGING MACHINES

Graphite Plugged Bronze Bushing Flanged - Metric Size

Overview

The product description

The vsb-50 C86300 & C83200 CuZn25Al5 BRONZE is made of exceptionally hard and durable BRONZE, embedded with self-lubricating graphite column pins, maintant-free.This type of bearing is a good choice when it comes to high loads and small movements that are difficult to lubricate.The graphite pin covers about 25-30% of the bearing surface and is positioned so that the entire bearing surface is always lubricated.VIIPLUS sliding elements are available in many designs and can also be manufactured in other alloys to meet specific requirements.

Self Lube Plugged Bearing Bush

Sleeve Lube Guide Bronze Bushings | Mold And Die Components
Shape and Type
Guide bushing, fixture, half bearing bush,Wear plate, washer, guide plate, etc.

Features

--Long service life
-- for heavy duty applications
-- maintenance-free (self-lubricating)
--Extreme temperature tolerance

Self-lubricating bearings

The VIIPLUS vsb-50 itself is maintenance-free.However, as an initial step, it is recommended to lubricate the sliding surface during assembly.Common lubricants such as grease or oil can be used.For optimal performance and service life, it is important to thoroughly clean mating surfaces during assembly.
custom-made
According to the request, may provide or produce each kind of sliding element.
Please contact us for more information.

Application Field

Hardware, steel manufacturing, stamping die, automotive industry tools,
Stamping etc.
Bushings for Construction Equipment, Boom Link Bushings for Power Shovels, Toggle Link & Guide Bushings for Injection Mold Machines, Steel Mill Equipment, Furnace Dragouts, Drying Equipment, Roasters, Press Dies, Assembly Lines, Hydro-Electric Structures, Winches, Hoisting Equipment, Tire and Paper Mill Machinery and Many Other Industrial Applications.
Graphite Plugged Bronze Bushings are all self-lubricating and maintenance free. These bushings are machined out of continuous cast bronze and plugged with solid lubricant plugs. A bushing and it's mating surface should always be seperated by a film of lubricant.Many of VIIPLUS’s components use graphite. Here is what you need to know about it. Graphite is ordinary carbon in a highly unusual form, a two-dimensional crystal. Think of it as a one-atom thick sheet. A piece of graphite is a stack-up of these sheets. A graphite pencil lead feels oily because these one-atom thick sheets are very slippery.

• Wear Plates
• Wear Strips
• Bushings
• Slide Assemblies
• Guide Components

Self Lubricating Graphite Plugged Bronze Sleeve Bushing

Plug Graphite Sleeve Bushing

Solid self-lubricating bearing with graphite plug insert | Graphite copper sleeve bushings

• Inch Sized Bushings
• Metric Sized Bushings

Material

C86300 Manganese Bronze
C86300 Typical applications include slow speed heavy duty load bearings, gears, cams and hydraulic cylinder parts.continuous cast manganese bronze is a high strength, non-heat treatable copper alloy intended for use in applications requiring a good combination of outstanding wear characteristics and high bearing strength for heavy loads and slow speeds.

Bronze sleeve bearings flanged bronze bushings for sale

Performance

Graphite Plugged Cast Bronze Bushings can be utilized where heavy loads must be supported at low to medium speeds

The Plug Graphite Cast Bronze Bushing is able to withstand high temperatures up to 570 F
The self-lubricating feature allows bearings to be used where oiling is difficult, expensive to implement, and where grease/oil cannot be used. Excellent lubrication is achieved even under high loads at low speeds.
Self-lubrication with specially embedded solid lubricants reduces friction. Coefficient of Friction: 0.04 to 0.2

WHAT CLIENTS SAYS

It was a great experience with “bronzegleitlager.com” as I have purchased - Bronze bearings with excellent after-sales services. I would like to give my best warm wishes for their near future.

Technical Data

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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