Maintenance-Free Dry Bearings

price: Negotiable
Total supply:
Delivery term: The date of payment from buyers deliver within days
seat: Zhejiang
Validity to: Long-term effective
Last update: 2019-11-08 20:09
Browse the number: 196
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Product details

Maintenance-Free Dry Bearings is one of the most common self-lubricating bearings. It is based on steel plate with spherical bronze powder sintered inside it.PTFE and Pb mixtrue are rolled on the surface layer. Different from oil-contained bearings,it has no oilhole and it can operate well without lubricant.

Load capacity: 140N/mm2   

Friction coef(u): 0.04~0.20 

Temperature: -195~+280°C  

Speed limit: 5m/s  

PV limit(dry): 3.6N/ mm2.m/sPV  

limit(oil): 50N mm2.m/s


1.It can be used where no oil can be applied or oil is difficult to be applied.

2.It has long life and low friction as well as low pollution.

3.Due to its thin thickness and low weight,the machine can become more impact.

4.It can be used in low hardness of mating shaft, so the shafts processing is easy.

5.Mature technology made Maintenance-Free Dry Bearings very cheap.

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