Oilless Bearing : Bronze alloy + Graphite(MoS2 or PTFE, Etc)

- Features
Under corrosion environment 
Cannot use Lubrication (Self Lubrication)
Idle for low speed, reciprocaton motion, impack load, rocking motion of a heavy load.


Composite Bearing : Synthetic fiber+UPS+Etc.

- Features
Under Water Condition