Plastic Flange Bearings
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Plastic flange bearings offer more retention capability than a traditional sleeve bearing and would typically be used in applications where radial and/or axial loads are expected. Thomson Nyliner plastic flange bearings utilize design features such as anti-rotation keys that eliminate both linear and rotational motion.
Thomson Nyliner plastic flange bearings are made from the same high-performance polymer as the entire line of Thomson Nyliner polymer bearings and are thus more cost-efficient than a traditional metal bearing (while still maintaining the quality of standard associated with Thomson Nyliner products). Fluctuation in plastic flange bearing size is virtually nonexistent: the thin-wall construction assures that the plastic flange bearings maintain their thickness in most applications. These plastic flange bearings also feature the standard axial compensation gap to accommodate changes in temperature and humidity. Additionally, some of Thomson Nyliner's plastic flange bearings are available in Thomson Nyliner Plus high-performance polymer (capable of operating in temperatures up to 500°F).
Thomson Nyliner plastic flange bearings come in two varieties, Type 5 and Type 6:
- Type 5 bearings are plastic flange bearings and are available in diameters from 3/16” to 1-1/2” and 4mm to 25mm. Type 5 plastic flange bearings lack the anti-rotation key of Type 6 bearings.
- Type 6 plastic flange bearings are available in diameters from 3/16” to 1-1/2.” Additionally, Type 6 bearings feature an anti-rotation key to minimize axial motion. Type 6 plastic flange bearings are also available in Thomson Nyliner high-performance polymer.
In addition, the minimum shaft clearance is .001” for plastic flange bearings from 1.000” to 1.250” and .002” from sizes 1.250” to 1.500.”