Features Full plastic bearing, engineering plastic self-lubricating modification, replacing steel ball type linear bearing. No noise, corrosion resistance, no oil, easy maintenance. Allow frequent contact with cleaning solution, can be used in places with large liquid and dust. Plastic linear bearings with larger contact surfaces have higher load carrying capacity than ball linear bearings. Fine workmanship, overall quenching treatment, durable, high hardness, high strength, high wear resistance Specification:Item Type:Plastic Linear Bearing Material:Engineering Plastic Function:3D printing, electronic equipment, food machinery, textile machinery, CNC machine tools, etc.Model(Optional)Inner DiameterOuter DiameterLengthLM2525mm / 0.98in40mm / 1.57in59mm / 2.32inLM3030mm / 1.18in45mm / 1.77in64mm / 2.52in Package List:1 x Linear Bearing Package List 1 x Linear Bearing