Sintered bronze bushings are precision-engineered components designed for smooth, reliable performance in sliding and rotating motion systems. Manufactured using advanced powder metallurgy technology, these bushings feature a porous structure impregnated with lubricants, enabling self-lubricating performance without the need for continuous external oiling. This makes them an ideal choice for applications where maintenance access is limited and long service life is essential.
Sintered bronze bushings deliver consistently low friction even under continuous operation, reducing wear on mating shafts and improving overall system efficiency. The inherent corrosion resistance of bronze ensures dependable performance in humid, mildly chemical, and variable temperature environments. Their self-lubricating nature minimizes heat generation, lowers noise levels, and significantly extends operational life compared to conventional solid bushings.
Manufacturing Process:
These components are produced through bronze powder metallurgy (PM) processing, where high-purity bronze powder is compacted under controlled pressure and sintered at elevated temperatures. This process creates a strong yet porous structure capable of retaining lubricating oil within the bearing matrix. The result is a bronze PM bearing with uniform density, tight dimensional tolerance, and repeatable performance across high-volume production runs.
Use Cases:
Sintered bronze bushings are widely used in pumps, linear and rotary actuators, industrial motors, gear assemblies, conveyors, and automation equipment. Their ability to operate smoothly under moderate loads and speeds makes them suitable for both continuous-duty and intermittent-motion systems across industrial, automotive, and engineering sectors.
For OEMs and industrial buyers, sintered bronze bushings are available in bulk supply with fully customizable bore sizes, wall thicknesses, and lengths. Manufacturers can meet large-scale quantity requirements while maintaining consistent quality, making these self-lubricating bushings ideal for long-term procurement and export-oriented supply chains.
| Material | Sintered Bronze |
| Manufacturing Process | Powder Metallurgy |
| Oil Content | Typically 9% To 27% By Volume |
| Lubrication Type | Oil Impregnated |
| Max Load | Up To 250 MPa (depends On Size) |
| Maximum Sliding Speed | 2 - 5 M/s |
| Hardness | 80 - 120 HB |
| Bush Type | Plain Cylindrical Sleeve Bush |
| Density | 6.5 - 7.2 G/cm³ |
| Installation Method | Press Fit Or Slip Fit |
| Electrical Conductivity | Good Conductor |
| Applications | Automotive, Industrial Machinery, Or Electric Motors |
| Corrosion Resistance | Moderate |
| Maintenance | Low; Periodic Lubrication If Required |
| Crack Resistance | Yes |
| Shock Absorption Capability | Good Due To Porous Structure |
| Manufacturer | Growth Industries |
| Country Of Origin | India |
