Discovering the Advantages of Oilless Bushes: The Future of Friction Management

Experience the Strength of Self-lubricating Bearings

Oilless Bushes, Maintenance free bearing and guide bushes, thin walled, bronze with solid lubricant, Custom Bushings

In the realm of industrial machinery and automotive applications, the quest for reliable, efficient, and maintenance-free components is unending. One significant breakthrough in this pursuit is the development of oilless bushes, especially those made from leaded tin bronze alloys such as Alloy C93200. These components are not just an advancement in material science but a revolution in reducing operational downtimes and maintenance costs.

What Are Oilless Bushes? Leaded tin bronze alloys!

 

Oilless bushes are high-performance bearings designed to operate without the need for additional lubrication. These components are embedded with solid lubricants within their structure, which consistently release small amounts of lubricant during operation. This unique feature makes them maintenance-free, offering a substantial advantage over traditional bearings that require regular lubrication.

Leaded tin bronze alloys
aluminum nickel bronze c63000 bronze

Leaded Tin Bronze Alloys: The Backbone of Oilless Bushes

Our oilless bushes are crafted from special brass, specifically SO#50SP2, which is known for its durability and corrosion resistance. The bushes are thin-walled and incorporate solid lubricants, eliminating the need for periodic greasing. This design innovation ensures that the bushes are both lightweight and robust, ideal for high-load applications where reducing downtime is essential.

These bushings provide substantial advantages, such as lower maintenance costs and simpler machinery design by removing the need for lubrication systems.

Applications of Alloy C93200 Bronze Bearings, lead and tin Alloy Material Bushing

 

These bearings are used in a wide range of applications. From heavy machinery in construction and mining industries to critical components in automotive assemblies, C93200 bearings provide reliable performance under challenging conditions. Their ability to function optimally without manual lubrication or regular maintenance makes them particularly valuable in hard-to-access locations or in applications where maintenance would be disruptive.

Graphite Plate, Bronze Strip, Nickel Aluminum Bronze Graphite-impregnated bronze JOLP Oilless Wear Plate.
Cual10Ni Bronze Slide Bearings

lead and tin Alloy, Self-Lubricating and Maintenance-Free Features

 

The self-lubricating feature of these oilless bushes is achieved by incorporating solid lubricants such as graphite or molybdenum disulfide within the cast bronze matrix. These solid lubricants are thermally stable and have a low coefficient of friction, which significantly reduces wear and tear. As the bearing operates, the lubricant is released slowly, forming a lubricating film between the bearing and the shaft, which minimizes direct metal-to-metal contact.

Oil-Free Bushes, lead and tin（Embedded lubricant：MoS2）, Manufacturing on Demand

Oilless bushes made from leaded tin bronze alloys like Alloy C93200 represents a significant leap forward in bearing technology. With their exceptional durability, self-lubricating properties, and maintenance-free operation, these bearings are setting new standards in numerous industrial and automotive applications. As industries continue to seek more reliable and efficient solutions, the role of these advanced materials becomes increasingly crucial. Whether you’re involved in manufacturing, automotive, or any field requiring dependable mechanical components, considering oilless bushes could be a game-changing decision.

Environmental and Economic Benefits

The maintenance-free nature of oilless bushes not only reduces the need for lubricant disposal but also cuts down on the environmental impact associated with regular maintenance activities. This aspect is particularly important in industries looking to enhance their sustainability practices. Moreover, the reduction in downtime and the extension of component lifespans translate into significant cost savings over the lifetime of the machinery.

 

Customizing the Power of Leaded Tin Bronze Alloys for Superior Bearings

In the industrial sector, the need for components that offer both durability and efficiency without constant upkeep is crucial. Leaded tin bronze alloys, particularly high-leaded varieties, meet these demands brilliantly. Custom-sized bronze bearing bushings crafted from these alloys provide a robust solution for a multitude of applications, leveraging the unique properties of alloys such as C92200, C92300, C92700, C92800, and the widely acclaimed C93200.

The Significance of High Lead Content

High leaded tin bronzes, with lead contents ranging from 7% to 15%, stand out in the bronze family for their exceptional machining capabilities. The significant lead percentage ensures that these alloys are free-cutting, which simplifies the manufacturing process, especially when producing custom sizes and shapes. This feature is invaluable for industries requiring bespoke components tailored to specific machinery or performance criteria.

Advantages of Leaded Tin Bronze Alloys

Enhanced Machinability

The presence of lead in these alloys makes them easier to machine, allowing for smoother and faster production of complex or custom-sized bushings. This results in a more cost-effective manufacturing process, with less wear and tear on cutting tools.

Superior Lubricity and Thermal Conductivity

Leaded tin bronze alloys retain excellent thermal conductivity and lubricity, thanks to the lead content. This characteristic ensures that the bearing bushings maintain a lower temperature during operation and exhibit reduced friction. These properties are particularly beneficial in applications involving high-speed machinery or components under significant mechanical stress, where overheating and wear could otherwise be problematic.

Customizable Solutions

Each alloy in the high leaded series offers unique benefits:

  • C92200 is known for its robustness in general bearing applications.
  • C92300 offers slightly enhanced corrosion resistance, making it suitable for marine and plumbing applications.
  • C92700 excels in situations requiring superior machinability and wear resistance.
  • C92800 provides an excellent balance between strength and ductility, ideal for more demanding mechanical applications.
  • C93200, the workhorse of the group, is versatile enough to be used in virtually any bearing application due to its optimal blend of properties.

These characteristics make it possible to tailor materials specifically to the operational demands of different industrial applications, ensuring optimal performance and longevity.

Applications

Leaded tin bronze bearing bushings are extensively used across various sectors, including automotive, marine, heavy machinery, and manufacturing equipment. Their ability to be customized to specific sizes and shapes while maintaining high performance under pressure makes them a preferred choice for engineers and designers looking to enhance the reliability and efficiency of their systems.

Conclusion

Leaded tin bronze alloys are a cornerstone in the manufacture of high-quality, custom-sized bearing bushings, offering unparalleled machinability, thermal conductivity, and lubricity. Whether you are in the automotive, marine, or any heavy-duty industrial field, these alloys can provide the customized, high-performance solutions needed to keep your operations running smoothly and efficiently.

Design Guide

CNC turned prototypes and production parts in days

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SOBF 8-12-10 SOBF 16-22-12 SOBF 30-40-25 SOBF 50-60-50
SOBF 8-12-12 SOBF 16-22-15 SOBF 30-40-30 SOBF 50-60-60
SOBF 8-12-15 SOBF 16-22-18 SOBF 30-40-35 SOBF 55-65-40
SOBF 10-14-10 SOBF 16-22-20 SOBF 30-40-40 SOBF 55-65-60
SOBF 10-14-12 SOBF 16-22-23 SOBF 30-40-50 SOBF 60-75-40
SOBF 10-14-15 SOBF 16-22-25 SOBF 31.5-40-20 SOBF 60-75-50
SOBF 10-14-17 SOBF 16-22-30 SOBF 31.5-40-30 SOBF 60-75-80
SOBF 10-14-20 SOBF 16-22-35 SOBF 31.5-40-35 SOBF 63-75-67.5
SOBF 12-18-10 SOBF 16-22-40 SOBF 31.5-40-40 SOBF 65-80-60
SOBF 12-18-12 SOBF 18-24-15 SOBF 35-45-20 SOBF 70-85-50
SOBF 12-18-15 SOBF 18-24-20 SOBF 35-45-25 SOBF 70-85-80
SOBF 12-18-20 SOBF 18-24-25 SOBF 35-45-30 SOBF 75-90-60
SOBF 12-18-25 SOBF 18-24-30 SOBF 35-45-35 SOBF 80-100-60
SOBF 12-18-30 SOBF 18-24-35 SOBF 35-45-40 SOBF 80-100-80
SOBF 13-19-10 SOBF 18-24-40 SOBF 35-45-50 SOBF 80-100-100
SOBF 13-19-12 SOBF 20-30-15 SOBF 40-50-20 SOBF 90-110-60
SOBF 13-19-15 SOBF 20-30-20 SOBF 40-50-25 SOBF 90-110-80
SOBF 13-19-20 SOBF 20-30-25 SOBF 40-50-30 SOBF 100-120-80
SOBF 13-19-25 SOBF 20-30-30 SOBF 40-50-35 SOBF 100-120-100
SOBF 13-19-30 SOBF 20-30-35 SOBF 40-50-40 SOBF 120-140-80
SOBF 14-20-15 SOBF 20-30-40 SOBF 40-50-50 SOBF 120-140-100
SOBF 14-20-20 SOBF 25-35-15 SOBF 45-55-30 SOBF 130-150-80
SOBF 14-20-25 SOBF 25-35-20 SOBF 45-55-35 SOBF 130-150-100
SOBF 15-21-10 SOBF 25-35-25 SOBF 45-55-40 SOBF 140-160-80
SOBF 15-21-12 SOBF 25-35-30 SOBF 45-55-50 SOBF 140-160-100
SOBF 15-21-15 SOBF 25-35-35 SOBF 45-55-60 SOBF 150-170-100
SOBF 15-21-20 SOBF 25-35-40 SOBF 50-60-30 SOBF 150-170-120
SOBF 15-21-25 SOBF 25-35-50 SOBF 50-60-35 SOBF 160-180-100
SOBF 15-21-30 SOBF 30-40-20 SOBF 50-60-40 SOBF 160-180-120

SOBU 6-8-8 SOBU 13-16-20 SOBU 20-24-40
SOBU 6-8-10 SOBU 13-16-25 SOBU 25-29-15
SOBU 6-8-12 SOBU 15-18-10 SOBU 25-29-20
SOBU 6-8-15 SOBU 15-18-12 SOBU 25-29-25
SOBU 8-10-8 SOBU 15-18-15 SOBU 25-29-30
SOBU 8-10-10 SOBU 15-18-20 SOBU 25-29-40
SOBU 8-10-12 SOBU 15-18-25 SOBU 30-34-15
SOBU 8-10-15 SOBU 15-18-30 SOBU 30-34-20
SOBU 8-10-20 SOBU 16-20-10 SOBU 30-34-25
SOBU 10-12-8 SOBU 16-20-12 SOBU 30-34-30
SOBU 10-12-10 SOBU 16-20-15 SOBU 30-34-40
SOBU 10-12-12 SOBU 16-20-20 SOBU 35-40-20
SOBU 10-12-15 SOBU 16-20-25 SOBU 35-40-25
SOBU 10-12-20 SOBU16-20-30 SOBU 35-40-30
SOBU 10-12-25 SOBU 18-22-12 SOBU 35-40-40
SOBU 12-15-10 SOBU 18-22-15 SOBU 40-45-20
SOBU 12-15-12 SOBU 18-22-20 SOBU 40-45-25
SOBU 12-15-15 SOBU 18-22-25 SOBU 40-45-30
SOBU 12-15-20 SOBU 18-22-30 SOBU 40-45-40
SOBU 12-15-25 SOBU 20-24-15 SOBU 40-45-50
SOBU 13-16-10 SOBU 20-24-20 SOBU 50-55-30
SOBU 13-16-12 SOBU 20-24-25 SOBU 50-55-40
SOBU 13-16-15 SOBU 20-24-30 SOBU 50-55-50

SOB 8-12-8 SOB 22-32-12 SOB 40-55-40 SOB 70-90-60
SOB 6-10-12 SOB 22-32-15 SOB 40-55-50 SOB 70-90-70
SOB 8-12-10 SOB 22-32-20 SOB 40-55-60 SOB 70-90-80
SOB 8-12-12 SOB 22-32-25 SOB 45-55-30 SOB 70-90-100
SOB 8-12-15 SOB 25-33-12 SOB 45-55-35 SOB 75-90-50
SOB 10-14-8 SOB 25-33-15 SOB 45-55-40 SOB 75-90-60
SOB 10-14-10 SOB 25-33-16 SOB 45-55-50 SOB 75-90-70
SOB 10-14-12 SOB 25-33-20 SOB 45-55-60 SOB 75-90-80
SOB 10-14-15 SOB 25-33-25 SOB 45-56-30 SOB 75-90-100
SOB 10-14-20 SOB 25-33-30 SOB 45-56-35 SOB 75-95-60
SOB 10-15-10 SOB 25-33-35 SOB 45-56-40 SOB 75-95-70
SOB 12-18-8 SOB 25-33-40 SOB 45-56-50 SOB 75-95-80
SOB 12-18-10 SOB 25-33-50 SOB 45-56-60 SOB 75-95-100
SOB 12-18-12 SOB 25-33-60 SOB 45-60-30 SOB 80-96-20
SOB 12-18-15 SOB 25-35-12 SOB 45-60-35 SOB 80-96-40
SOB 12-18-16 SOB 25-35-15 SOB 45-60-40 SOB 80-96-50
SOB 12-18-19 SOB 25-35-16 SOB 45-60-50 SOB 80-96-60
SOB 12-18-20 SOB 25-35-20 SOB 45-60-60 SOB 80-96-70
SOB 12-18-25 SOB 25-35-25 SOB 45-60-70 SOB 80-96-80
SOB 12-18-30 SOB 25-35-30 SOB 45-60-80 SOB 80-96-100
SOB 13-19-10 SOB 25-35-35 SOB 50-60-20 SOB 80-96-120
SOB 13-19-12 SOB 25-35-40 SOB 50-60-25 SOB 80-100-40
SOB 13-19-15 SOB 25-35-50 SOB 50-60-30 SOB 80-100-50
SOB 13-19-16 SOB 28-38-20 SOB 50-60-35 SOB 80-100-60
SOB 13-19-20 SOB 28-38-25 SOB 50-60-40 SOB 80-100-70
SOB 13-19-25 SOB 28-38-30 SOB 50-60-50 SOB 80-100-80
SOB 14-20-10 SOB 28-38-40 SOB 50-60-60 SOB 80-100-100
SOB 14-20-12 SOB 30-38-12 SOB 50-60-70 SOB 80-100-120
SOB 14-20-15 SOB 30-38-15 SOB 50-60-80 SOB 80-100-140
SOB 14-20-20 SOB 30-38-20 SOB 50-62-30 SOB 85-100-25
SOB 14-20-25 SOB 30-38-25 SOB 50-62-35 SOB 85-100-60
SOB 14-20-30 SOB 30-38-30 SOB 50-62-40 SOB 85-100-80
SOB 15-21-10 SOB 30-38-35 SOB 50-62-50 SOB 90-110-30
SOB 15-21-12 SOB 30-38-40 SOB 50-62-60 SOB 90-110-50
SOB 15-21-15 SOB 30-38-50 SOB 50-62-70 SOB 90-110-60
SOB 15-21-16 SOB 30-38-60 SOB 50-62-80 SOB 90-110-70
SOB 15-21-20 SOB 30-40-12 SOB 50-65-30 SOB 90-110-80
SOB 15-21-25 SOB 30-40-15 SOB 50-65-40 SOB 90-110-90
SOB 15-21-30 SOB 30-40-20 SOB 50-65-50 SOB 90-110-100
SOB 16-22-10 SOB 30-40-25 SOB 50-65-60 SOB 90-110-120
SOB 16-22-12 SOB 30-40-30 SOB 50-65-70 SOB 100-115-100
SOB 16-22-15 SOB 30-40-35 SOB 50-65-80 SOB 100-120-40
SOB 16-22-16 SOB 30-40-40 SOB 50-65-100 SOB 100-120-50
SOB 16-22-19 SOB 30-40-50 SOB 55-70-30 SOB 100-120-60
SOB 16-22-20 SOB 30-40-60 SOB 55-70-35 SOB 100-120-70
SOB 16-22-25 SOB 31,5-40-30 SOB 55-70-40 SOB 100-120-80
SOB 16-22-30 SOB 31,5-40-40 SOB 55-70-50 SOB 100-120-90
SOB 16-22-35 SOB 32-42-15 SOB 55-70-60 SOB 100-120-100
SOB 16-22-40 SOB 32-42-20 SOB 55-70-70 SOB 100-120-120
SOB 17-23-15 SOB 32-42-30 SOB 60-74-30 SOB 100-120-140
SOB 18-24-10 SOB 32-42-40 SOB 60-74-35 SOB 110-130-50
SOB 18-24-12 SOB 35-44-20 SOB 60-74-40 SOB 110-130-70
SOB 18-24-15 SOB 35-44-25 SOB 60-74-50 SOB 110-130-80
SOB 18-24-16 SOB 35-44-30 SOB 60-74-60 SOB 110-130-100
SOB 18-24-20 SOB 35-44-35 SOB 60-74-70 SOB 110-130-120
SOB 18-24-25 SOB 35-44-40 SOB 60-74-80 SOB 120-140-70
SOB 18-24-30 SOB 35-44-50 SOB 60-74-100 SOB 120-140-80
SOB 18-24-35 SOB 35-44-60 SOB 60-75-30 SOB 120-140-90
SOB 18-24-40 SOB 35-45-15 SOB 60-75-35 SOB 120-140-100
SOB 19-26-15 SOB 35-45-20 SOB 60-75-40 SOB 120-140-120
SOB 19-26-20 SOB 35-45-25 SOB 60-75-50 SOB 120-140-140
SOB 20-28-10 SOB 35-45-30 SOB 60-75-60 SOB 125-145-100
SOB 20-28-12 SOB 35-45-35 SOB 60-75-70 SOB 125-145-120
SOB 20-28-15 SOB 35-45-40 SOB 60-75-80 SOB 130-150-80
SOB 20-28-16 SOB 35-45-50 SOB 60-75-100 SOB 130-150-100
SOB 20-28-19 SOB 35-45-60 SOB 63-75-60 SOB 130-150-130
SOB 20-28-20 SOB 38-48-30 SOB 63-75-70 SOB 140-160-100
SOB 20-28-25 SOB 38-48-40 SOB 63-75-80 SOB 140-160-140
SOB 20-28-30 SOB 40-50-15 SOB 65-80-40 SOB 150-170-100
SOB 20-28-35 SOB 40-50-20 SOB 65-80-50 SOB 150-170-150
SOB 20-28-40 SOB 40-50-25 SOB 65-80-60 SOB 160-180-80
SOB 20-28-50 SOB 40-50-30 SOB 65-80-70 SOB 160-180-100
SOB 20-30-10 SOB 40-50-35 SOB 65-80-80 SOB 160-180-150
SOB 20-30-12 SOB 40-50-40 SOB 70-85-30 SOB 170-190-100
SOB 20-30-15 SOB 40-50-50 SOB 70-85-35 SOB 170-190-150
SOB 20-30-16 SOB 40-50-60 SOB 70-85-40 SOB 180-200-100
SOB 20-30-20 SOB 40-50-70 SOB 70-85-50 SOB 180-200-150
SOB 20-30-25 SOB 40-50-80 SOB 70-85-60 SOB 190-210-100
SOB 20-30-30 SOB 40-55-15 SOB 70-85-70 SOB 190-210-150
SOB 20-30-35 SOB 40-55-25 SOB 70-85-80 SOB 200-230-150
SOB 20-30-40 SOB 40-55-30 SOB 70-85-100 SOB 200-230-200
SOB 20-30-70 SOB 40-55-35 SOB 70-90-50 Bronze bushing
A straight, special copper alloy type oil-free guide bushing for high temperatures.

lead and tin Alloy Oilless Bushes Material

Your Source for Heavy-Duty Self-lubricating Bearings