
Self lubricating bronze washers
Below is a selection of self-lubricating bronze washers, along with nuts, spherical bearings, spindles, semi-spheres, and supports we have manufactured.
Self-lubricating bronze washers, Products
Guide Bushes and thrust washers, Thrust washer with/ without mounting holes, self lubricating
Self-lubricating bronze washers with graphite are commonly used in thrust bearings and other applications where low friction and long wear life are required.
Guide Bushes and thrust washers, bronze washers Material, Graphite
Here’s a brief overview of these components:
Installation
Ensure that the washer is properly seated and aligned in the bearing housing to prevent misalignment and uneven wear.
Maintenance
While these bearings require less maintenance than traditional lubricated bearings, they should still be inspected periodically for wear and damage. If wear is excessive, the washer should be replaced.
Bronze Washer Applications:
Applications: Industrial Machinery: Thrust bearings with self-lubricating bronze washers are used in a wide range of industrial equipment, including pumps, compressors, and machinery with reciprocating motion. Food and Beverage Industry: The self-lubricating properties and corrosion resistance of these bearings make them suitable for use in food processing equipment, where cleanliness and hygiene are critical. Chemical Processing: The corrosion resistance of bronze and the self-lubricating properties of graphite make these bearings suitable for use in chemical processing equipment, where exposure to corrosive fluids is common.
Self-lubricating bronze washers with graphite are ideal for thrust bearings, providing low friction, corrosion resistance, durability, and minimal maintenance.
Bearing Bronze & Brass Bushing Standards
EN 1982 Bronze Bearing Materials Chart
Aluminium Bronzes
| EN 1982 Designation | Common Name | Comparable Standards | Composition (Typical) | Key Properties/Applications |
|---|---|---|---|---|
| CuAl10Fe2 (CC331G) | Aluminum Bronze | ASTM C95200, BS1400 AB1 | Cu + 10% Al, 2% Fe | High strength, corrosion resistance; used in heavy-duty bearings and marine environments. |
| CuAl10Fe5Ni5 (CC333G) | Nickel-Aluminum Bronze | ASTM C95500, BS1400 AB2 | Cu + 10% Al, 5% Fe, 5% Ni | Excellent wear resistance, high-temperature stability; ideal for industrial machinery . |
| CuAl11Fe6Ni6 (CC334G) | High-Nickel Aluminum Bronze | – | Cu + 11% Al, 6% Fe, 6% Ni | Superior load capacity; used in extreme-pressure applications. |
Tin Bronzes
| EN 1982 Designation | Common Name | Comparable Standards | Composition (Typical) | Key Properties/Applications |
|---|---|---|---|---|
| CuSn10 (CC480K) | Tin Bronze | ASTM C90700, BS B10 | Cu + 10% Sn | High wear resistance, good machinability; used in bearings and gears. |
| CuSn11Pb2 (CC482K) | Leaded Tin Bronze | ASTM C92700, BS PB4 | Cu + 11% Sn, 2% Pb | Combines strength with corrosion resistance; suited for heavy-load, low-speed bearings. |
| CuSn12 (CC483K) | High-Tin Bronze | ASTM C90800 | Cu + 12% Sn | Seawater-resistant, high tensile strength; used in couplings and worm gears. |
| CuSn5Zn5Pb5 (CC491K) | Leaded Tin Bronze | ASTM C83600, BS B555 | Cu + 5% Sn, 5% Zn, 5% Pb | Good machinability and anti-friction properties; common in general-purpose bushings. |
Leaded Bronzes
| EN 1982 Designation | Common Name | Comparable Standards | Composition (Typical) | Key Properties/Applications |
|---|---|---|---|---|
| CuSn7Zn4Pb7 (CC493K) | High-Lead Bronze | ASTM C93200, BS B476 | Cu + 7% Sn, 4% Zn, 7% Pb | Excellent emergency running properties; used in axle bearings and industrial machinery. |
| CuSn10Pb10 (CC495K) | Leaded Bronze | ASTM C93700, BS B1010 | Cu + 10% Sn, 10% Pb | Soft bearing material with conformability; ideal for high surface pressures . |
Brass Alloys
| EN 1982 Designation | Common Name | Comparable Standards | Composition (Typical) | Key Properties/Applications |
|---|---|---|---|---|
| CuZn25Al5Mn4Fe3 (CC762S) | Manganese Brass | ASTM C86300 | Cu + 25% Zn, 5% Al, 4% Mn, 3% Fe | High tensile strength; used in heavy-load applications like gears and marine components. |
| CuZn34Mn3Al2Fe1 (CC764S) | High-Strength Brass | ASTM C86200 | Cu + 34% Zn, 3% Mn, 2% Al, 1% Fe | Combines strength and corrosion resistance; common in automotive bushings. |
Key Standards Cross-Reference
- ASTM: B505 (continuous casting), B271 (centrifugal casting) .
- BS: 1400 (UK standards for copper alloys) .
- DIN: 1705, 1709, 1714 (German standards for casting) .
- PN-EN 1982: Polish-European norm for copper alloy ingots and castings .
Notes
- Self-Lubricating Options: Oil-impregnated (e.g., SAE 841, 863) and graphite-embedded (e.g., CDA 954) bronze bearings are common for low-maintenance applications.
- Mechanical Properties: For example, CuSn7Zn4Pb7 (C93200) has a tensile strength of ~30,000 psi and Brinell hardness of 65–70 HB.
For detailed mechanical data or specific applications, please send us an email.
ASTM B271 is a standard specification for centrifugal castings of bronze alloys used in bearing and bushing applications. Below is a chart detailing various bronze alloys that conform to ASTM B271, including their chemical compositions and common designations:
| Alloy Designation | Chemical Composition (wt%) | Common Designations |
|---|---|---|
| Aluminum Bronzes | ||
| CuAl10Fe5Ni5 (CC333G) | Cu: 85–90%, Al: 9–11%, Fe: 4–5%, Ni: 4–5% | C95400, C95500 |
| CuAl10Ni | Cu: 85–90%, Al: 9–11%, Ni: 4–5% | C95400 |
| C95800 | Cu: 81–85%, Al: 9–11%, Fe: 4–5%, Ni: 4–5% | C95500 |
| BS1400 AB2 | Cu: 85–90%, Al: 9–11%, Fe: 4–5%, Ni: 4–5% | C95400 |
| Tin Bronzes | ||
| CuSn10 (CC480K) | Cu: 90–92%, Sn: 8–10% | C90300 |
| CuSn10 | Cu: 90–92%, Sn: 8–10% | C90300 |
| B10 | Cu: 90–92%, Sn: 8–10% | C90300 |
| C52400 | Cu: 90–92%, Sn: 8–10% | C90300 |
| Tin Bronzes | ||
| CuSn12 (CC483K) | Cu: 88–90%, Sn: 10–12% | C90500 |
| CuSn12 | Cu: 88–90%, Sn: 10–12% | C90500 |
| C90800 | Cu: 88–90%, Sn: 10–12% | C90500 |
| Tin Bronzes | ||
| CuSn12Ni2 (CC484K) | Cu: 86–88%, Sn: 10–12%, Ni: 2% | C90700 |
| CuSn12Ni | Cu: 86–88%, Sn: 10–12%, Ni: 2% | C90700 |
| C91700 | Cu: 86–88%, Sn: 10–12%, Ni: 2% | C90700 |
| Tin Bronzes | ||
| CuSn5Zn5Pb5 (CC491K) | Cu: 85–90%, Sn: 4–6%, Zn: 4–6%, Pb: 4–6% | C93200 |
| CuSn5ZnPb / RG5 | Cu: 85–90%, Sn: 4–6%, Zn: 4–6%, Pb: 4–6% | C93200 |
| B555 | Cu: 85–90%, Sn: 4–6%, Zn: 4–6%, Pb: 4–6% | C93200 |
| C83600 | Cu: 85–90%, Sn: 4–6%, Zn: 4–6%, Pb: 4–6% | C93200 |
| Leaded Bronzes | ||
| CuSn7Zn4Pb7 (CC493K) | Cu: 85–90%, Sn: 6–8%, Zn: 4–6%, Pb: 6–8% | C93700 |
| CuSn7ZnPb / RG7 | Cu: 85–90%, Sn: 6–8%, Zn: 4–6%, Pb: 6–8% | C93700 |
| C93200 | Cu: 85–90%, Sn: 6–8%, Zn: 4–6%, Pb: 6–8% | C93200 |
| Leaded Bronzes | ||
| CuSn10Pb10 (CC495K) | Cu: 80–85%, Sn: 8–10%, Pb: 10% | C93700 |
| B1010 | Cu: 80–85%, Sn: 8–10%, Pb: 10% | C93700 |
| C93700 | Cu: 80–85%, Sn: 8–10%, Pb: 10% | C93700 |
| Leaded Bronzes | ||
| CuSn10Zn / Rg10 | Cu: 80–85%, Sn: 8–10%, Zn: 4–6% | C90500 |
| B102 | Cu: 80–85%, Sn: 8–10%, Zn: 4–6% | C90500 |
| C90500 | Cu: 80–85%, Sn: 8–10%, Zn: 4–6% | C90500 |
| Brass Alloys | ||
| CuZn25Al5Mn4Fe3 (CC762S) | Cu: 60–65%, Zn: 25–30%, Al: 4–5%, Mn: 3–4%, Fe: 2–3% | C86300 |
| CuZn25Al5 | Cu: 60–65%, Zn: 25–30%, Al: 4–5% | C86300 |
| C86300 | Cu: 60–65%, Zn: 25–30%, Al: 4–5% | C86300 |
| Brass Alloys | ||
| CuZn34Mn3Al2Fe1 (CC764S) | Cu: 60–65%, Zn: 30–35%, Mn: 2–3%, Al: 1–2%, Fe: 1% | C86200 |
| CuZn34Al2 | Cu: 60–65%, Zn: 30–35%, Al: 2% | C86200 |
| C86200 | Cu: 60–65%, Zn: 30–35%, Al: 2% | C86200 |
| Brass Alloys | ||
| CuZn32Al2Mn2F31 (CC763S) | Cu: 60–65%, Zn: 30–35%, Al: 2%, Mn: 2%, Fe: 1%, Pb: 1% | C86400 |
| CuZn32Al2Mn2F31 | Cu: 60–65%, Zn: 30–35%, Al: 2%, Mn: 2%, Fe: 1%, Pb: 1% | C86400 |
| C86400 | Cu: 60–65%, Zn: 30–35%, Al: 2%, Mn: 2%, Fe: 1%, Pb: 1% | C86400 |
*Note: The chemical compositions are approximate and may vary slightly based

