The LM76 Minuteman Self Lubricating Linear bearings, pillow blocks and flange blocks are direct drop-in replacements for linear ball bearings. Minuteman bearings are self lubricating and because the PTFE Composite has no abrasive fillers, it can run on RC60, soft 300 series stainless and aluminum.
The "original" drop-in replacement for linear ball bearings in 1976. Ceramic Coated Linear Bearings feature a file hard, RC89 coating over an aluminum substrate. This bearing requires lubrication, light oil is sufficient, and has broken all test records for linear feet of travel: 100 million!
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