XiKe 10 Pcs 6203-2RS Double Rubber Seal Bearings 17x40x12mm, Pre-Iubricated for High RPM,Stable Performance and Cost Effective, Deep Groove Ball Bearings.: Amazon.com: Industrial & Scientific
LNR(linear rubber bearing):LNR-Ⅰ、LNR-Ⅱ for Seismic Isolation | Manufacturer, Supplier, Factory