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And yeah I know they aren't Question on TSlot and Linear Bearings · 8020 linear bearings questionHELP! question concerning linear vs roller

Description Floating bearing roller, POM, black; Bearing hub, St, bright zinc-plated T-Slot Roller 8 L

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pharaohs treasure deluxe without high roller slot Description Floating bearing roller, POM, black; Bearing hub, St, bright zinc-plated T-Slot Roller 8 L