I was sent 4 bad (or way out of spec) bearings with no blocks. Bearings are what I needed and were cheaper than loose bearings but the bearings grind and gall and yes I have tried lubricating then cleaning then lubricating again. Repayment.
Iverntech MGN12H Linear Rail Guide With Stainless Steel Carriage Blocks - 700Mm Length For 3D Printer And CNC Machine
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Iverntech MGN12 700Mm Linear Rail Guide With MGN12H Stainless Steel Black Carriage Block For 3D Printer And CNC Parts
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Enhanced Performance Sydien SCS12UU Bearing Bushing Diameter for Precision Machinery
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Linear Clamping Support Bearing by Sydien
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