Metal Backed
A multi-layered bearing typically consisting of a metallic backing with either bonded or sintered liners. The liners are
generally PTFE based and provide a self-lubricating surface. Metal-backed bearings are generally dry bearings
while some require marginal lubrication.
Metal Backed Bushings
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Plastic
These are bearings composed of engineered performance plastics. Special characteristics such as mechanical, chemical,
electrical, temperature, and other physical properties can be achieved through material selection. These are easily
processed and therefore cost-effective in high volume.
Plastic bearings are generally marginal but can be run dry at low PV values.
Plastic Bushings
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Composite
There are two types of composite bearings.
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A wound fiberglass filament structure incorporating epoxy resins with PTFE fabric or tape liners.
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A layered thermoset resin material reinforced with woven fibers with graphite or PTFE lubricants.
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These are generally dry bearings while some require marginal lubrication.
Composite Bushings
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