Can plastic bearings run dry?

Yes. You can use corrosion resistant plastic bearings dry (unlubricated), which is what we recommend for some applications that expose the bearings to highly concentrated acids and alkalis, or saltwater. This eliminates the problem of lubricant washout in very wet environments. Plastic bearings are only designed for low loads and speeds.

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Our determination to remain specialised gives us a high level of product knowledge, providing bearing and lubrication solutions to existing or potential customers, whether individuals or large corporations. We don’t just sell bearings, we help to solve your problems. - Chris Johnson, managing director of SMB Bearings.