The Wrapped Bimetal Bushing Bearing with Lubrication Pockets, conforming to DIN 1494, is a type of sliding bearing that is widely used in various industrial applications due to its durability, self-lubricating properties, and resistance to wear and tear. This type of bearing typically consists of a bimetal construction, often with a steel backing and a softer alloy layer, such as bronze or lead-based alloys, that provides the sliding surface.

The lubrication pockets, which are strategically positioned within the bearing, serve as reservoirs for lubricant. These pockets help ensure continuous and even lubrication during operation, reducing friction and wear on the bearing surface. The lubricant, typically oil or grease, is supplied through the lubrication pockets to the sliding surface, either through an external lubrication system or via the rotating shaft.

The DIN 1494 standard specifies the dimensions, tolerances, and other technical requirements for this type of bearing, ensuring consistent performance and reliability. The wrapped construction allows for easy installation and replacement, making it a cost-effective solution for many applications.

In summary, the Wrapped Bimetal Bushing Bearing with Lubrication Pockets DIN 1494 is a robust and reliable sliding bearing solution that offers excellent wear resistance and lubrication properties, making it suitable for a wide range of industrial applications.

Oilless Bushes

VIIPLUS bushing and bearings are the superior choice for new turbines, upgrades from other bearings and full conversions of sealed oil systems.
Bimetal bushing is backed with high quality low carbon steel with tin-lead-bronze alloy(CuSn10Pb10)sintered

Bimetallic bearings to high-quality low-carbon steel substrate, the surface of the sintered copper alloy having a low friction characteristics (CuPb10Sn10, CuPb6Sn6Zn3, CuPb24Sn4, CuPb30, AlSn20Cu, CuSn8Ni) as a wear layer bearing copper alloy surfaces can be processed in accordance with the use of a variety of conditions need type tank, oil hole, oil hole, so as to fit in unsustainable fuel refueling or difficult situations. Secondary extrusion material through the secondary sintering can be a good bonding strength and optimum carrying capacity.

Viiplus bimetal china bushing offer cylindrical bushes, flanged bushes, thrust washers, flat strip material, half bearing, wear plate.

On its surface. To effectively decrease abrasion, its alloy surface can be machined with ball shaped oil sockets for easier oil storage. When necessary, it could be plated copper or tin on the steel back. It can be applied to conditions of mediate load with mediate or high running belocity and conditions with enormous impact load. In mechanical applications,Viiplus Bimetal Bronze Gleitlager is used to make wrapped bushes, thrust washer and bushes on connecting rod level of gas engine.

Metal base self-lubricating bearing, with wear resistance, impact resistance, high load characteristics, is also mainly used in the construction machinery industry, it is no wonder that productivity utilization rate is high.

Bimetal Bushing Material Properties

Range Of Application

Agricultural Machine

As the self-lubricating bearing has the characteristics of maintenance-free and good abrasion resistance under dust and outdoor conditions, it is widely used in the cylinder, suspension system of combine harvester, planter, baler, crusher, tractor, Joints and other parts can not be difficult to form oil or oil film parts.

• Fork lifts
• Pallet Trucks
• Cranes
• Excavators

Technische Daten

• Wrapped composite sliding bearing
• Copper-plated or tin-plated steel / bronze
• Low-maintenance
• With lubrication pockets

Properties

• For high load capacity and oscillating movement, as well as for rough operation and temperature load. Long-run lubrication because of lubricant storage.

Materials

• Support materialSteel copper-plated / tin-plated
• Sliding layerCuPb10Sn10

Tolerance Details

• Housing ØH7
• Bushing inner-Ø after mountingH9
• Shaft tolerancef7 to h8

Maintenance

• is a low-maintenance composite sliding bearing, but primary lubrication is necessary. Oil or grease lubrication is possible. Due to solid lubricant storages, lubrication clearances are reduced to a minimum!

Package Information

Inner Packaging: Anti-rust plastic film ; Vacuum plastic bags.
Outer Packaging: Hard carton; Wooden case ; Wood pallet.
Shipping Term: By express; By air; By land; By sea.

Caption

Special dimensions are available on request

Get in touch ...

Send us an online enquiry


You can use our “Enquiry Form” to get in touch with us. One of our sales team will contact you immediately.

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.

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.