The combination SAE-797 / CuPb10Sn10 refers to a bimetal bearing material commonly used in self-lubricating bronze bushings. Here's a breakdown of the components and their significance:

1. SAE-797:
This is a Society of Automotive Engineers (SAE) specification for a bimetal bearing material.

It typically consists of a steel backing (for strength and durability) bonded to a bronze alloy layer (for bearing performance).

The bronze layer in SAE-797 is often a lead-tin bronze alloy, such as CuPb10Sn10.

2. CuPb10Sn10:
This is the composition of the bronze alloy used in the bearing.

Cu = Copper (base metal, typically around 80%).

Pb = Lead (10%), which provides self-lubricating properties and improves conformability.

Sn = Tin (10%), which enhances strength, corrosion resistance, and wear resistance.

This alloy is known for its excellent anti-friction properties, making it suitable for high-load and low-speed applications.

3. Bimetal Bearings:
Bimetal bearings combine the strength of a steel backing with the bearing properties of a bronze alloy.

The steel backing provides structural support and prevents deformation under load.

The bronze layer (CuPb10Sn10) provides the necessary wear resistance, embeddability, and self-lubricating properties.

4. Self-Lubricating Bronze Bushings:
The lead (Pb) in the CuPb10Sn10 alloy acts as a solid lubricant, reducing friction and wear.

These bushings are ideal for applications where external lubrication is difficult or impractical.

Common applications include automotive components, industrial machinery, and heavy equipment.

Key Properties:
High load capacity: Suitable for heavy-duty applications.

Good wear resistance: Long service life even under harsh conditions.

Self-lubricating: Reduces maintenance requirements.

Corrosion resistance: Tin content improves resistance to oxidation and corrosion.

Applications:
Automotive: Crankshaft bearings, connecting rod bearings.

Industrial: Hydraulic pumps, compressors, and gearboxes.

Marine: Propeller shafts and rudder bearings.

If you have specific questions about the material, its performance, or applications, feel free to ask!

VIIPLUS Self-Lubricating Bronze Bushing, made of SAE-797 / CuPb10Sn10 bimetal material, is a high-performance bearing solution designed for a wide range of industrial applications. The bimetal construction combines the strength and wear resistance of bronze with the lubricating properties of lead and tin, resulting in a bearing that is both durable and self-lubricating.

The SAE-797 / CuPb10Sn10 alloy offers excellent corrosion resistance and load-bearing capacity, making it suitable for use in harsh environments and under heavy loads. The self-lubricating properties of the material significantly reduce friction and wear, extending the bearing's lifespan and improving operational efficiency.

VIIPLUS Self-Lubricating Bronze Bushing is a reliable choice for machinery, equipment, and other industrial applications where smooth and efficient operation is crucial. Its unique material composition and self-lubricating design make it a superior option for reducing maintenance costs and downtime.

In summary, SAE-797 / CuPb10Sn10 bimetal bearings from VIIPLUS, with their self-lubricating properties and high performance, are an excellent choice for industrial applications demanding durability and efficiency.

Bimetal bearings from China, hydraulic boom lifting cylinder Kanglim ks1256. 65x70x60 bi-metallic.

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Thin-walled Bimetallic Bearings with Bronze, Bearing forms made to order: cylindrical bearings, flanged bearings, sliding plates, half shells, plain bearings, customized bearing forms Steel Type Bimetal Bushings G-CuPb10Sn DIN 1716 SAE-797 / CuPb10Sn10 | - VIIPLUS Self-Lubricating Bronze Bushing

Steel Backed+ Tin Bronze Lead Alloy

Bushing Company, Sintered SAE-799 CuPb24Sn4 bimetal bushing Supplier.Working tog to create solutions for the most demanding BIMETAL applications.Need Help Finding the Right Bimetal Bushing Products?Our Plain Bearings Parts Experts Can Help. Call for immediate assistance.Ask for a qoute for material Steel+CuPb10Sn10,Steel+CuPb24Sn4,Steel+CuPb24Sn,Steel+CuPb30,Steel+CuPb10Sn10+GRAPHITE.

This Bi-metal Bushing can be manufactured in various type or customized.

-Thrust or Bearing Plates
-Flanged Bushing
-Welded Joint Bushing
-Split Joint Bushing
-Clench Lock Bushing
-Specialized machined features

Manufacturers of Bimetal Trimetal Bearing & Bushings & Cast Solid Bearing & Bushings Alloy Reference And Material Characteristics.Sae-797 / Cupb10sn10 | Bimetal Bearings - Viiplus Self-Lubricating Bronze Bushing,Sae-797 bimetal bushing is based on steel and sintered with CuPb10Sn10 or CuSn6Zn6Pb3 as a lining layer.

The strongest type of bimetal bushings and widely applicated in so many fields. This type has the best performance within the range of Cu-Pb alloy constructured bushing.Thereforce it has a wide application and is mostly suitable for where is middle speed and high impact etc.We have many of experience the Manufacturing and supplying Customized Bimtel Bushing and Bearings.

DIN-G-CuPb10Sn

Other

• Sn : 9.0-11.0
• Sb : ≦0.5
• impurities

Country Code

• DIN

Standard

• 1716

Steel Type

• G-CuPb10Sn

Bimetal Wrapped Steel with Bronze Series - Metric Bushings If you need help in selecting the best bimetal bushing and flanged bearings products for your particular application,Click here to go to our online catalog bimetal bushing specifier for the sliding bearings Series Bushings with size including types downloads.BIMETAL CUSN10PB WRAPPED STEEL WITH BRONZE STRIPS ...

CuPb10Sn10 | Bimetal Bearings

Specifications

Bimetal Bearing Type steel with bronze Copper plated steel shell with sinered bronze liner If you need help in selecting the best bimetal bushing and sliding bearing for your particular application, please remember that design engineering and application assistance are available from VIIPLUS CHINA as part of our value-added services designed to make your purchase online from china easier.

Click here to go to our online sliding bearings catalog and Sleeve bushing product below specifier for the Bimetal Series Bushings with nearly 100 products including free CAD downloads.

Bushings Material,Tolerances and Precision,Internal Clearance,Lubrication,Fitting and Mounting Load and Life Calculation Information Shaft Dia.Shaft Size,Housing Bore Dia. Bearing Outside Diameter,Bearing Bore after Mounting Clearance,Wall Thickness ,Bearing Length Tolerance

Bushings (also referred to as plain bearings, plane bearings, sleeve bearings or linear sleeve bushings) operate with sliding motion between the moving surfaces. Bushings are selected based on the velocity and the applied load. Maintenance-free bushings do not require additional lubrication to operate. VIIPLUS supplies more than 3,000 different high-quality self-lubricating bearings bushing models made from a variety materials including all metal, plastics, and composite materials.

BiMetal Bushing & Self-lubricating Bearings Precision Industrial Sliding Bearings

VIIPLUS MADE IN CHINA Sliding Bearings is the complete, one-stop supplier to SME and OEM's and to wholesalers sourcing high-precision,self-lubricating bearings, bronze sleeve bushing washer and related products, and associated professional services including world-class engineering and design. Our bearing products and design solutions will enhance your product performance; make your company more competitive, and make your purchase easier. Discover which of our extensive products or services is just right for your application. Experience firsthand how plain Bearings provides easy install

Technical Data

BiMetal Series Bushings Series Structure are made of Steel backed lead bronze lined bushings and have the following layers:

1.Sinter bronze powder: good wear resistance and excellent load carrying capacity.

2.Steel backing: gives exceptionally high load carrying capacity, excellent heat dissipation.

3.Copper plating 0.002mm, good corrosion resistance.

Bushings & Plain Bearings Application

Series Bushings feature steel backed lead bronze lined material specially developed for lubricated applications, high load capacity, excellent heat dissipation, and good fatigue properties. They have been widely used in automotive industry, and general industrial applications including steering gears, power steering, pedal bushes, king-pin bushes, tailgate pivots, mechanical handling, lifting equipment, hydraulic motors, agricultural machines etc.

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!

Caption

Special dimensions are available on request

Get in touch ...

Send us an online enquiry bi-metal, bushings, sintered bronze, cast bi-metal, bushings, , POM, flanged, solid bronze, welded Joint, split Joint, clench Lock, plastic bushing, bearings, track roller bushing, automotive bushing, hydraulic valve plate, piston shoe, cylinder bock, Aluminum.You can use our “Enquiry Form” to get in touch with us. One of our sales team will contact you immediately.

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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.