12mm inner diameter outer 48/50/55/60, plastic double bearing nylon roller, POM guide wheel

Title: PP12-50-70 Double Bearing Nylon Roller | 12mm Inner Diameter, 48/50/55/60mm Outer Diameter POM Guide Wheel | Replaceable 6201 Bearings | Home DIYer
Description: Designed for precision and durability, this PP12-50-70 plastic roller features a polypropylene (PP) hard shell, dual 6201 bearings, and customizable outer diameters (48/50/55/60mm). The 12mm inner diameter, 70mm thickness, and corrosion-resistant POM guide wheel ensure smooth operation for industrial machinery, conveyors, or DIY projects. Embedded bearings are easily replaceable (sold individually), while the PP胶套+轴承 design enhances load capacity and longevity. Ideal for noise reduction, anti-slip applications, and heavy-duty use.
Keywords: plastic double bearing roller, PP12-50-70 nylon roller, 12mm inner diameter roller, POM guide wheel, replaceable 6201 bearings, polypropylene industrial roller, customizable outer diameter wheel, Home DIY conveyor parts, corrosion-resistant guide roller, heavy-duty machinery wheels.