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AirsoftPro 8 mm bronze plain bushings are durable plain bushings for AEG gearboxes with 8 mm bearing seats. They provide a reliable replacement for plastic bushings and are especially suitable for airsoft gun performance upgrades. Thanks to their bronze construction, they offer high strength, low friction, and a long service life even when used with stronger springs.

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Gearbox bushings support the loads generated by the rotating gears and are therefore essential components of any high-performance build. Compared to plastic bushings, bronze plain bushings provide significantly greater resistance to mechanical stress and help prevent gear damage caused by bushing failure. Their reduced contact area between the bushing and the gear lowers friction while also making gearbox shimming easier. The bushings are manufactured on precise CNC machines in the Czech Republic, and their dimensions are compatible with most standard gearboxes featuring 8 mm bearing seats. For proper installation, we recommend using a dedicated bushing installation tool.
The durable bronze material provides high strength and a long service life, even under heavy loads.
The smaller contact area between the bushing and the gear helps ensure smoother gear operation.
The design of plain bushings generally requires less shimming than some other bearing types.
A recommended replacement for plastic bushings when installing stronger springs and increasing AEG performance.
Manufactured in the Czech Republic with precise dimensions for reliable gearbox fitment.
| Color | Bronze |
| Bearings (mm) | 8 (mm) |
| Bearings (material) | Metal |
| Počet kusů v balení | 6 |