When it comes to hydraulic pumps, reliability and durability are paramount. That's why cast bronze bushes made from CuSn5ZnPb5 material are a popular choice for hydraulic pump applications. These bushes feature a metric flange size and a groove type design, making them suitable for a wide range of hydraulic systems.

CuSn5ZnPb5, also known as Gunmetal or Phosphor Bronze, is a high-performance alloy that offers excellent wear resistance, good strength, and corrosion resistance. This material is ideal for hydraulic pump bushes as it can withstand the high pressures and temperatures encountered in these systems.

The metric flange size ensures compatibility with standard hydraulic pump components, making installation and replacement a breeze. The groove type design allows for better sealing and oil retention, ensuring smooth operation and extending the service life of the bush.

A major benefit of cast bronze bushes made from CuSn5ZnPb5 material is their low maintenance requirements. With proper installation and regular inspections, these bushes can last for extended periods of time without requiring replacement or repair. This reduces downtime and maintenance costs, making them a cost-effective solution for hydraulic pump applications.

In summary, hydraulic pump cast bronze bushes made from CuSn5ZnPb5 material with metric flange size and groove type design are a reliable and durable choice for low-maintenance hydraulic systems.

ZCuSn5Pb5Zn5 is a cast copper alloy with good wear and corrosion resistance for brass bronze bushing.

Oil & Grease Groove Bronze Bushings

Our Cast Bronze Bushings are machined from continuous cast C93200 (SAE 660) bronze for superior quality and performance. The continuous casting process assures a uniform bronze structure throughout the bearing, free from porosity and hard particle inclusions commonly found in other cast processes.

Brass Bush,Heavy Duty Brass Bushes Supplier and Manufacturer,We can supply in a wide range of Hydraulic Pumps Bronze Bushing. The hydraulic pump bushing is widely used in many applications, such as industrial machines, power tools, automotive, etc. The bushing is highly resistant to abrasion, not completely exposed to water.

Hydraulic Pump Bush Wholesale, Hydraulic Pump Bushes, Hydraulic Pump Bush,Hydraulic Lift Arm Bushes,exporters, suppliers in China

Huge Bushings Type & Size Selections & Savings.

CuSn5Pb5Zn5 Bronze Bearing Bushing

Name of material: cast copper alloy (5-5-5 tin bronze, sand metal)
Brand: ZCuSn5Pb5Zn5
● features and scope of application:

ZCuSn5Pb5Zn5 cast copper alloy has good wear and corrosion resistance, easy to process, good casting performance and air tightness.ZCuSn5Pb5Zn5 cast copper alloy is used for wear-resistant and corrosion-resistant parts, such as bushing, liner, cylinder liner, piston clutch, pump gland and worm gear, working under high load and moderate sliding speed.
ZCuSn5Pb5Zn5 cast tin bronze
ZCuSn5Pb5Zn5 cast tin bronze
● chemical composition:
Copper Cu: the rest
Sn: 4.0 ~ 6.0
Zinc Zn: 4.0 ~ 6.0
Pb: 4.0 ~ 6.0
P: ≤0.05(impurity)
Nickel Ni: ≤2.5(excluding total impurities)
Aluminum Al: ≤0.01(impurities)
Iron Fe: ≤0.3(impurities)
Silicon Si: ≤0.01(impurities)
Sb: ≤0.25(impurity)
Sulfur S: ≤0.10(impurities)
Note: total impurities ≤1.0
● mechanical properties:
Tensile strength b (MPa) : ≥200 ° c
Yield strength (MPa) : ≥90 ° c
Elongation 5 (%) : ≥13
Hardness: ≥590HB(reference value)
● heat treatment specification: heating temperature 1188 ~ 1220℃;Pouring temperature 1150 ~ 1200℃.
● casting method:
Sand mold casting, metal mold casting

Other ASTM Standard.Material:CuSn5ZnPb5,CuZn25Al5Mn4Fe3,CuSn10Pb10,CuSn7Zn4Pb7,CuSn8.

Can be provided as form:
Straight bushings
Flange bushings
Thrust washer
Wear plate
Non-standard products are also avalidable.

FOLLOW US ON

https://viiplus.com

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.

•