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Plastic Bearings

Plastic bearings available from stock in popular metric and imperial sizes. Custom design capabilities are endless.

Plastic bearings have unparalleled versatility and can be integrated into the most complex systems. They are lightweight, nonmagnetic, lubrication free, maintenance free, nonconductive and incredibly corrosion resistance. These bearings are a very common solution for off-shore, medical and semiconductor applications. With our specialist injection mould tooling designs, Carter can provide features that simply could not be conventionally manufactured.  
 

ADVANTAGES

Corrosion Resistant

Plastic bearings can flourish in the more extreme environments. Whether it be in salt water or a particularly extreme chemical, a plastic bearing solution could be the best option.

Lubrication Free

With the elimination of metal-to-metal contact, micro-welding adhesion is eliminated. Therefore, plastic bearings can run without lubrication making them maintenance free. This can be a great benefit for clean applications.

Lightweight

Plastic can be up to 5 times lighter than steel which produces a myriad of benefits.

Custom Design with Complex Features

When utilizing injection moulding technology for plastic bearings, features otherwise impossible to manufacture become common. This allows for complex product integration and expands the designer’s imagination for solutions.

Free Spinning

The reduction of centrifugal forces on the bearing race surface due to significant weight savings allows plastic bearings to run freer with less inertia.

Hygienic

No lubrication is necessary which makes plastic bearings a great solution for pharmaceutical and medical applications. They can be washed down without corroding and can be sterilized using standard methods such as Gamma or autoclave.

Noise Reduction

Noise is significantly reduced due to the inherent mechanical properties of most plastics. This dampens the system and minimizing harmful harmonics.

Shock Absorption

Plastic bearings are more elastic than metals and ceramics which allows for higher levels of shock absorption. This reduces bearing failure due to brinelling.

Nonconductive

If system conductivity is a concern, plastic bearings could be a solution. Nonmetallic races and balls eliminate the flow of electrons which could be a necessary benefit to your mechanical system.

Product Integration

The highly customizable designs for plastic bearings can open up possibilities for product integrations. This minimizes the assembly time and parts required in the system which makes the overall product more affordable.

Corrosion Resistant
Lubrication Free
Lightweight
Custom Design with Complex Features
Free Spinning
Hygienic
Noise Reduction
Shock Absorption
Nonconductive
Product Integration

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TECHNICAL INFORMATION

Plastic Bearing Material C°/F°
Acetal (POM, Celcon®) 82 / 180
PEEK 170 / 338
PTFE (PT) 200 / 392
PVDF (Kynar®) 84 / 183
Polypropylene 60 / 140
Valox®PBT Polyester 70 / 158
UHMW-PE 55 / 130
Minlon® 204 / 400
Polysulfone 165 / 329

* This chart is for reference only.

 

MAXIMUM DIAMETER GENERAL TOLERANCE
3.000" +/- .005"
4.000" +/- .008"
5.000" +/- .010"
MINIMUM MAXIMUM GENERAL TOLERANCE
0.000" 0.750" +.003", -.0"
0.751" 1.250" +.004", -.0"
BORE (Maximum) OUTSIDE DIAMETER (Maximum) GENERAL TOLERANCE
0.187" 1.000" free turning to .008"
0.500" 1.625" free turning to .009"
0.750" 2.000" free turning to .010"
1.250" 3.000" free turning to .012"

GET TECHNICAL BEARING SERVICES

Carter offers a one stop solution by offering an extensive range of technical bearing services like Inspection, Modification, Repairs & much more, conducted by our world-class bearing engineers.

OUR VALUE ADDED SERVICES

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