CuSn8, CuSn6.5, Brass Bushing, Tin Bronze, Brass Bearing, Bronze Bushing
Place of Origin:
made in china
MOQ:
negotiable
Price:
Negotiable
Payment Terms:
T/T
Supply Ability:
7000000 Piece/Pieces One week
Delivery Time:
7-25 work days
Packaging Details:
EXPORT CARTON WOOD PALLET WOODEN CASE
Material:
Bronze
Sourcing:
Engineering Bronze Bushing Parts
Application:
Machinery, Automotive, etc.
Type:
Tin Bronze Bushing
Feature:
Cast Bronze Bearing
Style:
Sleeve, Flange Size Bronze Bush
Bearing Bushing Factory Price:
tiffany@viiplus.com
Self-lubricating Bearing Bushing Manufacturer:
https://www.viiplus.com/
High Light::
Self-Lubricating Sintered Bronze Bushing
characteristic:
Bronze bushings with grease reservoirs ( BRO-MET, FB090, BRM10, WB800)
Bush Bearings Manufacturers Suppliers Exporters:
plain bearings. Long, maintenance-free service, manufactures bushings in various designs and from different materials. tiffany@viiplus.com, Bushings - Configure and purchase - https://www.viiplus.com/
ASTM B505 CuSn12 Bronze Sleeve Bushings are precision-engineered
components made from a high-strength and heat-resistant aluminum
bronze alloy containing iron and manganese elements. These bushings
exhibit excellent mechanical properties at elevated temperatures,
maintaining stability up to 400°C. Their superior abrasion
resistance, coupled with good corrosion resistance in atmospheric,
freshwater, and seawater environments, makes them ideal for a wide
range of applications.
The CuSn12 alloy composition provides excellent friction-reducing
properties, ensuring smooth operation and long service life in
demanding environments. The bushings can be easily processed by
pressure methods in the hot state and can be heat-treated for
further strengthening. While they are weldable, they are not
recommended for brazing. However, they exhibit good machinability,
making them suitable for precision cutting operations.
ASTM B505 CuSn12 Bronze Sleeve Bushings are commonly used in the
manufacture of high-strength and wear-resistant parts such as
bearings, bushings, gears, and other critical components. Their
non-sparking properties under impact make them suitable for use in
applications where the risk of fire or explosion is a concern.
Additionally, their shape memory effect and potential as a shape
memory alloy offer further versatility in their applications.
The bushings are available in various sizes and configurations,
including flanged, sleeve, washer, and customized designs. They are
packaged securely in plastic bags, cartons, or wooden cases to
ensure safe transit and storage. Customization options include logo
imprinting, packaging, and graphic customization to meet specific
customer requirements.
In conclusion, ASTM B505 CuSn12 Bronze Sleeve Bushings are
high-performance components that offer exceptional strength, wear
resistance, and corrosion resistance, making them an excellent
choice for demanding applications across various industries.
CuSn12 Tin Bronze Bush Material Groove Bearings
High-Quality CuSn12 Tin Bronze Bush Material Groove Bearings Factory Supply CuSn12 Tin Bronze Bush Bearing Professional CuSn12 Tin Bronze Bush Bearing CuSn12 Tin Bronze Bush Material Bearing High-quality CuSn12 Tin Bronze bush-bearing
Casting Bronze Bushing Supply - High-quality factory, Standard
material CuSn12* / ASTM C90800 (other alloys available on request),
Oil or grease lubrication is necessary. Because of lubrication
grooves or lubrication holes, lubrication intervals can be reduced
to a minimum, and lubricant allocation can be improved. products,
Pursue high technology & good brand, combine the best quality
products & reasonable price.
Tin Bronze Bush for plain bearings made from copper alloys, Custom
Metal Parts CNC Machining Aluminum Bronze Bushing, Provide for your
cast bronze bushing tin bronze material according to China's
national standard, but also can produce it as the related standards
of the ASTM(UNS, SAE), EU and JIS, etc. What's more, we can also
develop the self-lubricating bearings material according to the
special requirements and drawings of yours.
CuSn12 Bronze Bushing Material
The closest international standards are the ASTM B505 C90700 and
DIN 1705 CuSn12
Casting Copper Alloy Bronze Bearings
Type:Tin Bronze Bushing
Chemical Composition mass/%
Cu
Sn
Al
Fe
Mn
Ni
Pb
Si
P
Zn
84.5-87..5
11.0-13.0
0.01
0.2
0.2
1.5-2.5
0.3
0.01
0.05-0.4
0.4
Mechanical properties
Tensile strength Mpa(Min)
Yield strength MPa(Min)
Elongation %
Brinell hardness(HB)
300
180
10
85
Note:
1, In Chemical Composition, Single values represent maximums.
2, Mechanical performance of hardness value is only for reference
Beyond Grease: A Deep Dive into Oilless Bushings & Why Viiplus
Leads the Way
Your Partner in Self-Lubricating Bearing Applications
Self-Lubricating Bearing Solutions
Self-lubricating bearings are engineered to operate reliably where
conventional lubrication systems fail or become impractical. They
are ideal for:
Harsh and maintenance-free environments Designed to perform under demanding operating conditions while
eliminating routine lubrication maintenance.
Long service life with built-in lubrication Continuous self-lubrication ensures stable performance over
extended periods and supports effective cost control.
High load, low speed motion systems Suitable for rotational, oscillating, and linear reciprocating
movements under heavy loads and low velocities.
Applications where traditional lubrication is restricted or
impossible Effective in environments where oil or grease cannot be applied due
to technical, safety, or regulatory constraints.
Extreme operating conditions Reliable performance in dusty environments, under impact loads, or
in radiation-exposed applications.
Advantages of Self-Lubricating Bearings
Lower manufacturing costs No need for oil supply systems, lubrication holes, or oil
grooves—reducing machining complexity and production expenses.
Reduced operating and maintenance costs Minimal lubricant consumption and lower maintenance requirements,
while eliminating risks associated with insufficient lubrication.
Simplified design and shorter development cycles Oil-free operation allows streamlined mechanical structures,
reducing design time and overall system cost.
Improved equipment performance and durability Enhanced reliability, extended service life, and consistent
friction performance contribute to better mechanical efficiency.
Environmental and sustainability benefits No waste oil collection or disposal required, supporting
environmentally friendly and clean industrial operations.
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 ofoilless bushings, also known asself-lubricating bearingsorsliding 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 exactlyareoilless 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 ofsliding 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:
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.
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.
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
High Risk (Grease attracts and holds contaminants)
Operating Temp.
Wider Range (Specific material dependent)
Often Limited by Grease/Oil Properties
Cleanliness
High (No leakage)
Potential for Grease/Oil Leakage
Design
Simpler (No grease nipples/pathways)
More Complex (Requires lubrication access)
Initial Cost
Potentially Higher
Potentially Lower
Total Cost (TCO)
Often Lower (Reduced maintenance, downtime)
Can be Higher (Lubricant, labor, downtime costs)
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):
Bearing Type
Load Capacity
Speed Capability
Temp. Resistance
Dry Run Ability
Typical Application Areas
JDB (Graphite Plugged)
Very High
Low
Very High
Excellent
Heavy Industry, Molds, High Temp Equipment
SF-1 (PTFE Composite)
High
Moderate
Moderate
Excellent
Automotive, Hydraulics, General Machinery
JF (Bimetal)
High
Moderate
Moderate
Limited
Engines, Transmissions, Construction Equip.
FB (Wrapped Bronze)
Moderate
Moderate
Moderate
Poor (Needs Lube)
General Purpose, Linkages, Pivot Points
(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? OurBushing Material Selection Guideis designed to help, orContact 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:
