Straight self-lubricating plain bearings, also known as bushings, are essential components for cylinders and automatic guide rails. They provide smooth and efficient motion, ensuring reliable and long-lasting operation. These bearings are designed to reduce friction and wear, thereby enhancing the overall performance of the system.

The key feature of these bearings is their self-lubricating property. This means that they are able to maintain a constant lubricating film between the bearing and the mating surface, eliminating the need for regular lubrication. This not only simplifies maintenance but also extends the service life of the bearing.

Straight self-lubricating plain bearings are made from high-quality materials that can withstand extreme loads and temperatures. They are precision-manufactured to ensure a tight and secure fit, minimizing any potential for vibration or misalignment.

For cylinders and automatic guide rails, these bearings provide a stable and reliable support. They allow for smooth and precise movements, ensuring that the cylinder or guide rail operates as intended. Wh it's a heavy-duty industrial application or a precision-oriented automation system, these bearings are designed to meet the demands of various operating conditions.

In summary, straight self-lubricating plain bearings/bushings are an excellent choice for cylinders and automatic guide rails. Their self-lubricating property, high-quality materials, and precision manufacturing ensure smooth and efficient operation, making them a reliable component for various industrial and automation applications.

Straight Self Lubricating Plain Bearing / Bushings For Cylinder & Automatic Guide Rail

plain and flanged cylindrical bushings in accordance with ISO 3547 and DIN 1494. Wrapped Bronze bushings china factory price made to order online today.

In linear motion, VIIPLUS self-lubricating bearings have the characteristics of low noise and self-lubrication, which are widely used in cylinder and automatic guide rail.

Discovery the available bushing, thrust washer and strip types, self-lubricating bearings designs, characteristics and main application areas.

It also includes references to the relevant product sections with detailed information as well as references to the product tables.

• Solid bronze bushings
• C86300 bronze bearings
• C93200 bronze bearings
• Wrapped bronze bushings
• composite bushings
• POM composite bushings
• plastic bushings
• CuSn8 Bronze bushings
• CuSn6 Bronze bushings
• composite thrust washers
• POM composite thrust washers
• composite strips
• POM composite strips

Model	Material	Photo	International Mode
DYB100	TYPE: FLANGE, WASHER, SLEEVE MATERIAL: CARBON STEEL,STAINLESS STEEL,BRONZE -(TIN-COATING, COPPER-COATING,ZINC-PLATING)
DYB200	TYPE: FLANGE, WASHER, SLEEVE		POM
DYB101	Carbon steel+Bronze powder++Polymer
DYB105	Bronze+Bronze powder++Polymer
DYB106	Steel+Bronze powder++Polymer
DYB107	Stainless steel+Bronze powder++Polymer

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.

4.  

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.

  •  
  •  
  •  
  •  
  •  
  •  
  •  

• 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.

•  

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.

•  

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.

•