[Application Features] FD-1 aluminum linear bearings, is an oil-free linear motion products, precision machinery used on a sliding platform to replace the ball bearings, can achieve lower noise, reduce costs, in the absence of oil long-term use under lubrication conditions. [Application] Therefore, the product has mold slide in foreign countries, widespread use of precision instruments. Linear motion bearings The main parameters Material: Aluminum + filled PTFE Load capacity: 20N / mm2 friction coefficient μ: 0.03 ~ 0.20 Temperature range: -100 ~ 250 ℃