Disadvantages of Centrifugal Cast Bronze Bushings:

1. High Initial Cost: The equipment and setup costs for centrifugal casting can be relatively high, making it less economical for small production runs.

2. Material Waste: Some material is wasted during the process, particularly the inner layer that contains impurities, which can add to the overall cost.

3. Complexity in Casting Thin-Walled Parts: Casting very thin-walled bushings can be challenging and may require more precise control and advanced techniques.

4. Limited to Certain Geometries: The process is best suited for cylindrical or symmetrical shapes, limiting its application for more complex geometries.

5. Post-Processing Required: Despite the high precision, some post-processing, such as machining, may still be necessary to achieve the desired surface finish and dimensional accuracy.