C932, bronze bearings, SAE 660
C932, bronze bearings, SAE 660
Discover our plain bearings: Flange bearings, sleeve bushings, and thrust washers. Customizable bushing materials available. Our products are wear-resistant, maintenance-free, and designed to withstand dirt, dust, and corrosion.
Discover the durability of RG7 bronze bushings, custom-sized to meet your needs. Made from copper alloy and complying with ASTM B505 UNS C93200 standards, our C93200 bronze material helps save time and money on R&D, design, and production costs. Contact us today! We offer a wide range of wrought copper alloys and bronze bushings, including Bronze RG7. As your trusted source for high-quality bronze bearings at competitive prices, our products enhance performance, reduce weight, and address maintenance challenges. Quality is assured!
Bronze C93200 (SAE 660) features a high-quality, smooth machine finish, making it ideal for general utility bearings and bushings. This alloy is noted for its resistance to impact, wear, and corrosion. It offers good anti-friction properties, sufficient strength and hardness, as well as adequate ductility and excellent machinability. Common applications include bearings, bushings, light duty gears, sprockets, impellers, wear strips, and plates. It is also used in automotive fittings and washers. This versatile alloy is extensively utilized in pumps, cylinders, machine tools, earth moving machinery, and various general purpose applications.
C93200 Summary Table
| Feature | Specification / Performance Summary |
|---|---|
| Composition | Cu 81–85 %, Sn 6.3–7.5 %, Pb 6–8 %, Zn 2–4 %, minor impurities |
| Tensile Strength | ~241 MPa (35 ksi) |
| Yield Strength | ~138 MPa (20 ksi) |
| Elongation | ≥ 10% |
| Load Capacity | Static ≈ 140 MPa; Dynamic ≈ 70 MPa |
| Density / Modulus | ~8.91 g/cm³ / ~100 GPa |
| Key Advantages | Anti-friction, wear-resistant, machinable, corrosion-tolerant |
ASTM B271 C93200 centrifugally cast bronze is an excellent bearing material for medium-load, moderate-wear service, offering robust performance, good machinability, and corrosion resistance. Need help comparing lead-free options or specifying for harsher conditions? Just ask.
Centrifuge-Cast Bronze Alloy ASTM B271 C93200Centrifuge-cast C93200 (also known as SAE 660) is a high-leaded tin bronze alloy widely used for bearings and other components that require excellent wear resistance and low friction. Its combination of machinability, strength, and corrosion resistance makes it ideal for general-purpose applications at medium speeds and pressures.
Key Characteristics:
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Material Type: High-leaded tin bronze (C93200 / SAE 660).
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Casting Method: Centrifugal casting produces a dense, fine-grained structure, suitable for high-stress applications.
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Standard: Manufactured according to ASTM B271.
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Properties:
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Excellent anti-friction performance.
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Good machinability for precise component production.
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Adequate strength and hardness for typical bearing applications.
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High wear resistance and fatigue strength.
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Good corrosion resistance, particularly in seawater and brine environments.
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Typical Applications:
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Bearings and bushings.
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Washers, wear strips, and plates.
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Pump impellers, fittings, and fixtures.
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Components for machine tools and earth-moving machinery.
The world of bushings, those integral but often overlooked components in mechanical systems, is filled with various types of materials and designs. Among these, one of the stand-out options is the RG7 bronze material. It’s known for its robustness, corrosion resistance, and exceptional performance, especially when tailored into custom sizes to fit unique application needs.
C93200 Centrifugal Bronze – Reliable Performance for Bearings
C93200 (SAE 660) is a high-leaded tin bronze alloy widely used in bearings and bushings where durability, low friction, and corrosion resistance are critical. Its excellent machinability and wear properties make it ideal for medium-load, moderate-speed applications.
Why Choose C93200:
Smooth Operation: Low friction and excellent lubricity reduce wear and prevent galling.
Durable & Wear-Resistant: Maintains performance under moderate loads and speeds.
Easy to Machine: High lead content allows precise, tight-tolerance production.
Corrosion-Resistant: Performs reliably in wet or marine environments.
Typical Applications:
Bearings and bushings for machinery and industrial equipment
Thrust washers and wear plates
Pump impellers and pump bushings
Spindle, crane, and rolling-mill bearings
General-purpose industrial components
C93200 centrifugally cast bronze is the dependable choice when you need robust performance, precision, and longevity in bearing applications.
| Bronze Bushings Material | ||||||
| CHEMICAL COMPOSITION | ||||||
| Chemical Composition Limits (%) | ||||||
| MATERIAL CODE | COPPER | ZINC | LEAD | IRON | TIN | |
| C93200 | 81-85 | 1-4 | 6-8 | 0.2 | 6.3-7.5 | |
| C95400 | 83 (minimum) | None | None | 3-5 | None | |
| SAE 841 | 87.5-90.5 | None | None | 1 | 9.5-10.5 | |
| SILICON | ALUMINUM | PHOSPHORUS | MANGANESE | NICKEL | ANTIMONY | OTHER ELEMENTS |
| 0.005-0.08 | 0.005 | 0.15 | None | 1 | 0-0.35 | 0-0.08 Sulfur |
| None | 10-11.5 | None | 0-0.5 | 0-1.5 | None | None |
| None | None | None | None | None | None | 0.3 Carbon |
Understanding RG7 Material
RG7, also known as Leaded Tin Bronze, is a high-quality bronze alloy composed primarily of copper, but also with significant proportions of lead, tin, and zinc. The RG7 bronze alloy exhibits characteristics that make it highly desirable for bushings and similar applications.
The alloy’s notable properties include excellent machinability due to its lead content, good corrosion resistance thanks to its tin and copper content, and high durability, which is a characteristic of bronze alloys in general. The blend of these properties makes RG7 an ideal material for creating bushings that can stand up to demanding environments and loads.
Custom Size RG7 Bronze Bushings
The ability to customize the size of RG7 bronze bushings is another attribute that makes these components highly sought after in various industries. With custom sizing, it’s possible to produce bushings that perfectly fit the unique specifications of your machinery or equipment.
Custom sizing involves creating bushings that have specific inner and outer diameters, lengths, and even wall thicknesses as per your specific requirements. This flexibility in design makes RG7 bronze bushings adaptable to a wide range of applications, from heavy-duty machinery to automotive components to electrical equipment, and more.
Why Opt for RG7 Material Bronze Bushings?
There are several reasons why RG7 bronze bushings could be the perfect fit for your needs:
1. Durability: RG7 bronze exhibits high strength and durability, making these bushings capable of withstanding heavy loads and harsh operating conditions.
2. Corrosion Resistance: RG7 bronze offers excellent resistance to corrosion, enhancing the longevity of the bushings, especially in environments exposed to moisture and various chemicals.
3. Customizability: As mentioned, custom size options ensure that these bushings can be tailor-made to fit your exact requirements, enhancing their versatility and application range.
4. Excellent Machinability: RG7 bronze can be easily machined into precise shapes and sizes due to its superior machinability. This means faster production times and the ability to maintain high-quality standards.
5. Reduced Friction: RG7 bronze bushings, particularly those with added lubricants or special designs, can offer low friction operation, recognized to smoother performance and less wear and tear.
Wrapping Up
RG7 bronze bushings, custom-sized to your requirements, provide a combination of strength, corrosion resistance, and precision that few other bushing materials can match. They offer a solution for a variety of industrial applications that require durability, low maintenance, and excellent performance.
Remember, bushings might be small components in your machinery, but they play a significant role in its overall operation and lifespan. Choose wisely, and consider custom-sized RG7 bronze bushings as your reliable partners in ensuring smooth and efficient operations.
Brass Bushings & Bronze Bearings – Bearing Bronze Latest Price, Manufacturers
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Bronze rg7, rg7 bronze equivalent
RG7 is considered lead-tin bronze as a “standard” type bearing material. The alloy has excellent processing properties, good hardness, strength and wear resistance, and excellent wear resistance. Typical applications include bearings, washers, bushings, auto parts, spindle bearings, machine tool bearings, crane bearings, trunnion bearings, roll neck bearings, rolling mill bearings, fuel pump bushings, water pump bushings, diesel engine piston pin bushings, forging elbows Section rod bearings, stuffing box hydraulic presses, hydraulic press main linings, pump impellers, general-purpose bushings, pipe fittings, pump units, spherical bearings, etc.
RG7 corresponding grade: CuSn7Zn4Pb7, C93200 (SAE660) Chemical Composition (ASTM B505)
The C93200 (SAE660RG7) is considered a “standard” type of bearing material for lead-tin bronze. The alloy has excellent machining properties, good hardness, strength and wear resistance, and excellent wear resistance. Typical applications include bearings, gaskets, bushing, auto parts, main shaft bearing, machine tool bearings, crane bearing, trunnion bearing, roller bearing neck, rolling mill bearings, the sleeve is the fuel pump and pump shaft sleeve, diesel engine piston pin bushing, forging toggle lever bearing, stuffing box hydraulic press, hydraulic press mainlining, pump impeller, gm liner, fitting, pump assembly, outer spherical bearings, and so on.
Casting Bronze Bearing C93200 bronze bearings, CuSn7ZnPb (RG7 bronze bearings) C932, bronze bearings, SAE 660
Bearings & Cast Materials Made To The Highest Standards. Shop Our Huge Range Of Bronze Bearing Sizes! Quality Chinese Made Manufacturing Factory Price. See Our Online Catalog & Request A Free Quote.
Continuous Cast Bronze Bearings Exporters | Custom Solution, Saving Money
We provide very competitive bronze-bearing prices for all the goods you purchased in China. You will get them safe and on time. Additionally, we provide bronze bearings material classification, and customized items.
Customized Bronze Bearings Solutions
Bushing grease groove design
Choose your Oil Groove Types:
RG7 (CuSn7ZnPb) circular oil grooves RG7 Bearing Bronze made to order from china.
Also available with customized grooves.
Design of lubrication hole and grooves
• Length of lubrication groove should be 70-80% of bearing width, and all edges should be rounded
• A lubrication hole should be located inside the lubrication groove
• If lubricant is fed from the housing, a groove on the OD should be added to transport the lubricant to the inside of the bearing.
Bronze Bearings Chamfering
In order to simplify the mounting of a sliding bronze bushing and to avoid stress concentration, chamfers should be designed at
both ends of the bearing.
| Bronze Bearing ID (mm) | Chamfer size of ID and OD | |||
| Up to 30 | 0.5×45° | |||
| to ø80 | 1.0×45° | |||
| ø80 to ø200 | 1.5×45° | |||
| ø200 to ø300 | 2.0×45° | |||
| Over ø300 | 2.5×45° | |||
C93200 MECHANICAL PROPERTIES:
(measured at room temperature, 68 F (20 C)
| Temper | Section Size |
Cold Work |
Typ/ Min |
Temp | Tensile Strength |
Yield Strength (0.5% ext. under load) |
Yield Strength (0.2% offset) |
Yield Strength (0.05% offset) |
El | Rockwell Hardness |
Vickens Hard. |
Brinell Hard. |
Shear Strength |
Fatigue Strength* |
Izod Impact Strength |
||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| in. | % | F | ksi | ksi | ksi | ksi | % | B | C | F | 30T | 500 | 500 | 3000 | ksi | ksi | ft-lb | ||
| mm. | C | MPa | MPa | MPa | MPa | MPa | MPa | J | |||||||||||
| As Sand Cast | |||||||||||||||||||
| M01 | 0.0 | 0 | TYP | 68 | 35 | 18 | – | – | 20 | – | – | – | – | – | 65 | – | – | 16 | 6.0 |
| 0.0 | 20 | 241 | 124 | – | – | 20 | – | – | – | – | – | 65 | – | – | 110 | 8.0 | |||
| As Centrifugal Cast | |||||||||||||||||||
| M02 | 0.0 | 0 | SMIN | 68 | 30 | 14 | – | – | 15 | – | – | – | – | – | – | – | – | – | 0.0 |
| 0.0 | 20 | 207 | 97 | – | – | 15 | – | – | – | – | – | – | – | – | – | 0.0 | |||
| As Continuous Cast | |||||||||||||||||||
| M07 | 0.0 | 0 | SMIN | 68 | 35 | 20 | – | – | 10 | – | – | – | – | – | – | – | – | – | 0.0 |
| 0.0 | 20 | 241 | 138 | – | – | 10 | – | – | – | – | – | – | – | – | – | 0.0 | |||
| As Sand Cast | |||||||||||||||||||
| M01 | 0.0 | 0 | SMIN | 68 | 30 | 14 | – | – | 15 | – | – | – | – | – | – | – | – | – | 0.0 |
| 0.0 | 20 | 207 | 97 | – | – | 15 | – | – | – | – | – | – | – | – | – | 0.0 | |||
Your Best Cast Bronze Bearings in China
VIIPLUS.COM can not only manufacture cast bronze beaRings material according to China’s international standard but also can design it as the related standards of the ASTM(UNS, SAE), EU and JIS, etc. What’s more, we can also develop the bronze bushing parts material according to the special requirements and drawings of customers. Online Support
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Maintenance-bound sliding bearings are designed for contaminated environments, offering excellent corrosion resistance and impact load durability.
Chemical Composition
| Chemical Composition mass/% | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Cu | Sn | Al | Fe | Mn | Ni | Pb | Si | P | Zn |
| 81.0-85.0 | 6.3-7.5 | 0.01 | 0.2 | – | 1 | 6.0-8.0 | 0.01 | 1.5 | 2.0-4.0 |
| Mechanical properties | |||
|---|---|---|---|
| Tensile strength Mpa(Min) | Yield strength MPa(Min) | Elongation % | Brinell hardness(HB) |
| 241 | 138 | 10 | 65 |
Advantages
Main advantages of solid bronze bearings include:
- Not affected by impurities
- Suitable for corrosive environments
- Suitable for impact loads and vibrations at low speeds
- Has a groove to retain the lubricant
Note：
1、In Chemical Composition, Single values represent maximums.
2、Mechanical performance of hardness value is only for reference
Other alloys are available!
Characteristics
- High load capacity
- Wide range of use
- Long lifetime
- Wide range of temperature
Lubrication bronze bearings
Occasional lubrication increases the life of a bearing by improving the following properties:
• Increase of allowable PV -value
• Decrease of wear due to improvement of friction coefficient
• Cooling effect
• Discharge of foreign and wear particles
• Prevention of shaft corrosion • Improved reliability
Type of applications
- Iron and Steel Industry
- Automotive
- Mining
- Heavy machinery
- Hydroelectric power generation
Design
- Cylindrical bearings
- Flanged bearings
- Thrust washers
- Plates
- Drawing details
Technical information on the datasheet
The bushings are widely used in injection molding machine frames, automobile mold, engineering machinery, hydraulic cylinder, large gearbox, metallurgical continuous casting machine, train support steel rolling equipment, mining machinery, ships, turbines, crane support, food machinery turbine bearings.
VIIPLUS Will Provide You Best Custom Bronze Bearings Solution
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Why Fortune 500 Companies Choose VIIPLUS
Casting high quality economically favorable bronze bushing thin wall bearing
Professional Self-lubricating Bronze Bearings Expert
Competitive Rate
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Contact VIIPLUS and Reduce Your Purchase Bronze Bearings Cost Now
VIIPLUS will always be your excellent partner for bronze bearings goods from China.
We have an advantage in the standard parts of guide sleeve and skateboard.
1. Own your own copper casting plant. Ensure stable raw material quality and delivery time.
2. Clear working line and mass production.
3. Equipped with advanced lathe, grinding machine and four-axis machining center, etc., to meet the demand of high precision and high batch efficiency.
4. Equipped with advanced inspection equipment and three-dimensional coordinates. To meet customers’ different precision inspection requirements.
Non-standard parts: we are able to obtain raw materials of different materials, shapes and sizes from our copper plant according to customer’s requirements. Then according to the customer’s drawings, finishing. So far, we have been able to meet the special needs of our customers from various countries on time and with high quality.
The C93200 tin bronze graphite bearing bushings are a premium choice for applications that demand exceptional durability, reliability, and performance. These bushings are highly wear-resistant, ensuring they can withstand heavy loads and extreme conditions without experiencing excessive wear and tear.
One of the standout features of C93200 tin bronze graphite bearing bushings is their exceptional reliability. These bushings are designed to operate smoothly and efficiently, even in harsh environments. They have excellent self-lubricating properties, which means they do not require external lubrication, reducing maintenance costs and increasing their lifespan.
Moreover, these bushings have excellent anti-seizing properties, ensuring they do not get stuck or seize up, even under high loads and extreme temperatures. This feature ensures that the bushings remain functional, reducing the risk of costly downtime.
C93200 tin bronze graphite bearing bushings are also highly versatile and can be used in a wide range of industrial, automotive, and marine applications. They have exceptional strength and structural integrity, making them suitable for heavy-duty applications that require consistent and reliable performance.
Overall, C93200 tin bronze graphite bearing bushings are an exceptional choice for applications that require high wear resistance, exceptional reliability, and outstanding performance. With their self-lubricating capabilities, anti-seizing properties, and versatility, these bushings are a top choice for a wide range of industries. For more information on our products, please contact tiffany@viiplus.com.
SAE660 Leaded Bronze Bushing: The Industry Standard for Versatility and Durability
The Ultimate Choice for Medium-Load Applications: SAE660 Leaded Bronze Alloy
Crafted for excellence, SAE660 Leaded Bronze is the go-to solution for a plethora of applications requiring medium loads and sufficient lubrication. Designed to deliver unparalleled sliding and dry running capabilities, this copper-based alloy stands the test of time.
Why Choose SAE660?
Exceptional Resistance
- Anti-Dezincification: Bid farewell to material weakening; our alloy is resilient against dezincification.
- Brine-Resistant: Ideal for pump and valve components, especially in corrosive environments.
Unmatched Versatility
- Broad Suitability: From bushes to bearings, SAE660 is the one-stop solution.
- Easy Machining: Save time and resources with our easily machinable alloy.
Superior Quality
- Wear Resistance: Opt for durability with our alloy’s excellent wear resistance.
- Anti-Friction Qualities: Experience smoother operations with reduced friction.
Applications That Speak for Themselves
Commercial Applications
- Valve & Slide Seating Rings
- General-Purpose Bushes & Bearings
- Fuel & Water Pump Bushings
- Automotive Fittings
- Fittings
- Thrust Washers
Specialized Uses
- Hydraulics
- Bearings for Lifting Tackle
Ready to Experience the Best?
Whether you’re a seasoned engineer or a procurement specialist, choosing SAE660 Leaded Bronze Bushing is a decision you won’t regret. Contact us today for a consultation or to request a quote.
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