What's DU Bushing?
Du bushing is a multi-layer composite sliding bearing designed to self lubricating, maintenance-free operation without the need for external lubrication. It belongs to the broader bushing family.
Du bushing is a cylindrical lining used to reduce friction, guide movement, or absorb vibration between two mechanical parts—most commonly between a shaft and a housing
DU Bushing Material Structure:
1. PTFE mixture:offers low friction and excellent wear resistance
2. Sintered bronze layer: improves load capacity and heat transfer
3. Steel back: provides structural strength
4. Copper or Tin plating : Help to anti-rusty
How does DU Bushing work?
- slide over rods or pipes, providing exceptionally low-friction motion.
- Their design excels at absorbing shock, which prolongs the lifespan of nearby machine parts and minimizes noise and vibrations.
- perform the same function but with the added benefit of retaining and reusing lubrication from the rod surfaces.
- By reusing this lubrication perpetually, the need for maintenance is drastically reduced.
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When you choose DU bushing, pls considering the following points：
Choose right bushing is very important for your application, professional bushing factory have rich experienced engineer who can design right DU bushing based on your requirement. PVB Bearing is a professional DU bushing OEM factory, our technical can help to choose right bushing for your application, save time, make a right decision.
Pls send your requirement to pvb@oilesbearing.com for best offer TODAY
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Load type and frequency (radial, axial, oscillating)
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Operating speed
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Material compatibility (bronze, rubber, polymer, steel)
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Environmental conditions (temperature, dust, chemicals)
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Lubrication requirements
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Tolerance and shaft fit
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