Our Self-Lubricating MPBZ Graphite Impregnated Brass Bearings are designed to offer superior performance in a wide range of applications, effectively replacing traditional bearings and significantly increasing productivity. These bearings are impregnated with graphite, providing exceptional lubrication properties that eliminate the need for external lubrication, reducing maintenance costs and downtime.

Our bearings are custom-designed to meet the specific requirements of each application, ensuring optimal performance and longevity. We provide engineering support throughout the design process, ensuring that our bearings are tailored to your unique needs.

With short lead times, we can quickly deliver the bearings you need to keep your operations running smoothly. Additionally, we offer comprehensive catalogs and brochures for our Oilless Bronze Bearings and Graphite Impregnated Brass Bearings, providing detailed information on their specifications, applications, and benefits.

Contact us today to learn more about our Self-Lubricating MPBZ Graphite Impregnated Brass Bearings and how they can enhance the performance and productivity of your operations. We look forward to providing you with the highest quality bearings and exceptional customer service.

We are manufacturing all kinds of sliding bearings, including composite bushing, POM composite bushing, bimetal bushing, wrapped bronze bushing, casting sliding bushing and grinding plate bearing pad, sintered bronze bushing and sintered parts, graphite Bearings, etc.

The shape of the bearing can be in sleeve, flange, ball, plate, gasket, pad, ring, square, etc. Carbon steel, hardened steel, iron, stainless steel, bronze, brass, copper, bronze-steel alloy. , , POM, nylon, plastic, petroleum, graphite, grease, moS2, etc.

JDB Graphite Bushing Oilless Sleeve Bushing,MPBZ MPBZU series oil-free casing (I.D.F7 copper alloy straight standard)

Selecting Graphite Self-Lubricating Bearing Products Best Price In China.

Graphite Impregnated Brass Bearings,Oil Free Bushing - Brass Alloy, Straight, I.D. F7 MPBZ8-15- Metric Size

Material: High Tensile Brass Alloy + Solid Lubricant Embedded

• Wear resistance
• High precision
• High load
• Oil-free and self-lubricating

Graphite Impregnated Brass Bearings Featrue

Copper Alloy Bushings in general use.Thin wall to be comparable to Multi-Layer LF Bushings, Excels in abrasion resistance compared to Multi-Layer LF Bushings. Usable under high-load conditions

MPBZ8-15 Graphite Impregnated Brass Bearings Configured Specifications

Graphite Bronze Bushing Basic Infomation

Our product range includes a wide range of graphite impregnated bronze bush, graphite filled bronze bush and graphite embedded bushes.

We position ourselves as a reliable company dedicated to export, import, wholesale and supply graphite impregnated bronze bush. The provided bushings are designed with first-class high-quality raw materials and innovative technologies that meet industry standards. In order to ensure the quality, our experts have conducted strict variable parameter tests on these bushings. In addition, our customers can use the provided bushings at industry-leading prices.

• Max. dynamic load:100N/mm2
• Max. Temperature:300 [ °C ]
• Base Hardness:HB210-270
• Friction coefficient:<0.16

Graphite Impregnated Brass Bearings Characteristics

• Have Incomparable performance under a high load, low speed operation. Also perform well without lubrication,
• Excellent wear resistance in such places where an oil film is difficult to be formed due to reciprocating, oscillating motions and frequently intermittent operations
• Remarkable resistance to corrosion and resistance to chemical attack
• Maintenance free and save operating cost.

Graphite Impregnated Brass Bearings Avalibility

• Cylindrical Bronze bushing, flanged oilless bush, thrust washer and slide plate are standard fabrication.
• Special designed solid metal bearing and material can be made according to your design.
• Other material can be made based on your requirement.

Graphite Impregnated Brass Bearings Applications

Graphite plugged bearing is widely used in successive casting machine, mineral mountain machinery, shipping, steam turbine etc

Custom Design

All kinds of sliding elements can be supplied or produced on request.

Such as:Custom Thrust Washers , Custom Sleeve Bearings, Custom Flange Bushing, Cutom Shoulder Bushing, Custom Sleeve Bearing, Custom V-Channel,Half Bearings, Flanged Units, Wear Plates, Strips, Liners, Self-lubricating parts...

Our Service

1. OEM Manufacturing welcome: Product, Package...

2. Sample order

3. We will reply you for your inquiry in 24 hours.

4. After sending, we will track the gleitlagerbuchsen graphite bronze bearings products for you once every two days, until you get the gleitlagerbuchsen graphite bronze bearings products. When you got the goods, test them, and give me a feedback.If you have any questions about the problem, contact with us, we will offer the solve way for you.

All graphite plugged oilless bushings are self-lubricating and maintenance-free. These bushings are made of continuously cast bronze and plugged with grease plugs. The bushing and its mating surface should always be separated by a layer of grease.

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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