广告Bimetal Bearing - Excellent Supplier from China - ecer.com‎

Choose from a variety of bimetal bearings bushings, washers, and flange sleeve. Bimetal Bearings The wheel bearing, sleeve are used in the mining industry, links, and excavator arm loaded in front of the machine.

The bimetal bushing is used in track rollers, truck brakes, agriculture machinery, and Excavators bushings.

Bimetal bearings from Chinese suppliers, with high quality and high service, according to the size of the acceptance of custom.

Bimetal bearing belongs to the technical field of sliding bearing, especially a bimetal friction welding bush. It solves the problem of welding reliability differences of the prior art. This double friction welding metal belt ring guard sleeve, including straight sets, described in straight sets end equipped with straight sets of vertical connection annular rim, described in straight sets and circular guard by friction welding tog, described on the annular rim with straight-set of the end face of the preset a v-shaped positioning groove, the combination of straight sets the default have pointed to cooperate, described V groove and pointed with matching, described in straight sets pointed coordinate axis and an axis of annular penal v-shaped locating slot line; The parallelism of the ring retaining edge is less than 0.1mm, and the axis perpendicularity of the ring retaining edge and the straight sleeve is less than 0.1mm. The utility model has the following advantages: 1. The welding contact area increases and the welding is more solid and reliable; 2. 2. Accurate positioning.

Master claim: 1. A double metal friction welding carry penal collar, including straight sets (1), described in straight sets (1) end equipped with straight vertical connection (1) set of the annular rim (2), described in straight sets of (1) and annular rim (2) by friction welding tog, its characteristics is described in the annular rim (2) combined with straight sets (1) on the end face default with v-shaped positioning groove (21), straight sets (1) the combination of the preset have pointed to cooperate (11), described the v-shaped positioning groove (21) cooperate with pointed department (11), The sharp fitting part (11) axis line of the direct sleeve (1) coincides with the v-shaped positioning groove (21) axis line of the ring retaining edge (2); The parallelism of the ring retaining edge (2) is less than 0.1mm, and the perpendicularity of the ring retaining edge (2) and the straight sleeve (1) axis is less than 0.1mm.

Product introduction

720 bimetal bearings, is based on steel matrix, CuPb24Sn4 alloy on the surface of material products. The product has good fatigue resistance and bearing capacity. Suitable for a medium load. Places that have requirements of oil sliding. Can make the soft alloy plating on the surface of bearing, high-speed internal combustion engine connecting rod bushing, good wear resistance, resistance to fatigue effect.

Sliding Bearing Bi-metal Bushing Company

Bi-metal Steel backed leaded bronze lining bushing material suitable for oil lubricated applications.

Bimetal bearings ' technical data

Thickness tolerance between inner hole machining and non-machining

Application field

Travel mechanism construction machinery: chassis supporting wheel shaft sleeve, towing axle sleeve, tensioning shaft sleeve; Auto industry: the balance shaft lining, steel pin bushing, steering knuckle main shaft sleeve shaw, connecting rod bushings, valve rocker arm shaft sleeve, CAM shaft collar, differential bushings, transmission shaft sleeve, the internal combustion engine spindle watts, thrust washers, And plunger pump side piece, such as a piece of gear pump side.

Oil holes form

Buckles form

Other bimetal products

800 bimetal bearing, is based on low carbon steel substrate material, CuPb10Sn10 or CuSn6Zn6Pb3 materials on the surface of steel and copper alloy products. This product is double alloy bearing capacity of the strongest one, the balance of the heavy car bridge bushing, gasket; The bulldozer driven wheel; Automotive steel liner, all using the product. It is a very useful high load low speed sliding bearing.

700 bimetallic bearing, is based on steel matrix, CuPb30 material on the surface of products. The production due to high levels of lead, so has a good bit shaft resistance and foreign bodies buried. If work surface-soft alloy plating materials, can be used as a high speed, a low and medium load of internal combustion engine spindle watts, connecting rod bushing, rocker arm bushing; Mercury oil side friction plate.

930 lead-free bimetallic bearing is a kind of environmental protection of the bimetallic bearing, it is based on low carbon steel substrate, the surface of sintered CuSn6.5 P0.1 materials of steel and copper alloy products. The product has high fatigue strength and bearing capacity, good sliding properties, on many occasions to replace leaded bimetallic bearing or copper.

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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