CC495K/CuSn10Pb10 bimetal bronze bushings and strip sheet materials refer to a type of composite material composed of a steel backing layer and a bronze overlay layer. The steel backing layer provides strength and dimensional stability, while the bronze overlay layer, which typically consists of CuSn10Pb10 (also known as 10-10-10 bronze), offers excellent wear resistance, corrosion resistance, and self-lubricating properties.

ASTM standards define the physical, chemical, and mechanical properties of materials to ensure consistency and quality. For CC495K/CuSn10Pb10 bimetal bronze bushings and strip sheet materials, ASTM standards would specify the composition of the bronze overlay, the thickness of the overlay, the strength and hardness of the steel backing, and other relevant properties.

CuSn10Pb10 bronze is a popular alloy for bimetal bushings and strip sheet materials due to its good machinability, wear resistance, and corrosion resistance. It is commonly used in applications where sliding contact and self-lubricating properties are critical, such as bearings, bushings, gears, and slides.

CC495K/CuSn10Pb10 bimetal bronze bushings and strip sheet materials are widely used in various industries, including automotive, construction, heavy machinery, and more. They offer a cost-effective solution for applications requiring high wear resistance and long service life. By meeting ASTM standards, these materials ensure consistent performance and reliability.

CC495K / CuSn10Pb10 Steel Bimetal Bronze Bushing

Steel Type G-CuPb10Sn Bimetal Bushing & Plain Bearings Manufacturer.Leaded Bronze Castings Bimetal Plain Bearings to Standard C93700 SAE 792 SAE 798 JF 800 Rg7.Are your bimetal bronze steel bushings Steel + CuPb10Sn10 with indents worn? Updating your plain bearings a need quality replacement parts? We carry a complete line of bushings strips & materials for just about any self-lubricating bearings.Bimetal Plain Bearings Strips & Plate,Bearing forms made to order: Cylindrical bushes and sliding plates with non-standard dimensions, RoHS customized bearing designs.

DIN-G-CuPb10Sn

Jf-800 bimetallic bearing

JF bimetal composite bearings with high quality low carbon steel as substrate, the surface of the sinter with low friction properties of copper alloy (CuPb10Sn10 CuPb6Sn6Zn3 CuPb24Sn4, CuPb30, AlSn20Cu, CuSn8Ni) as wear-resisting layer of bearing, can need according to the operating conditions of copper alloy surface processing of various types of oil tank, oil hole, hole, etc., in order to suit to cannot continue to go hard or go occasion.Good bonding strength and optimum bearing capacity can be obtained by secondary sintering and secondary extrusion.

Availability

Bearing forms available in standard dimensions

Material

Steel Backing and Leaded Bronze Overlay

Steel + CuPb10Sn10 with indents

Sliding layer with lubrication indents

CuPb10Sn10 with
composition approx.:
Cu 80 %
Pb 10 %
Sn 10 %

Steel backing

Steel+CC495K /CUSN10PB10

CuPb10Sn10 is normally replaced by alloy Rg7, which is an alloy with similar characteristic and performance despite lower lead-content.

Product Description

Chemical composition (nom.)
– Cu 78-82 %
– Pb 8-11 %
– Sn 9-11 %

Max. impurities
– Ni 2,0 % (can be part of the Cu-content)
– P 0,05 %
– Zn 2,0 %
– S 0,10 %
– Fe 0,25 %
– Mn 0,2 %
– Al 0,01 %
– Si 0,01 %
– Sb 0,5 %

High load capacity

Sliding layer can be machined with lubricating grooves and/or with grease indents

Steel backing can be copper plated.
The company strictly complies with ISO 9001:2000 international quality management system certification, and adopts German DIN1494 as the enterprise standard to establish a sound strips structure and constantly improve the production process.

Technical Parameters

Alloy layer material: CuPb10Sn10
Maximum applicable temperature: 260℃
Friction coefficient: ≤0.12
Alloy layer hardness :(60~90)HB

Characteristics

• Lead-free
• Machinable
• Design freedom – customizable to meet specific indentation and shape needs
• Capable of supporting high specific loads and high temperatures
• Excellent fatigue strength under dynamic and shock load conditions
• Excellent wear resistance
• Suitable for hydrodynamic operation
• Suitable for oil and grease lubrication
• Superior performance under oscillating movement
• Thin-wall construction permits compact bearing assembly
• Indents in the bearing surface provide a reservoir for grease and thus allow extended re-greasing

Application:

Industrial – Agricultural machinery, earth-movers, textile machinery, pneumatic equipment, mechanical handling and lifting equipment, hydraulic cylinders, offhighway equipment, and many more.

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.

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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.

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.