Plastic Bearings: 1. The best quality. 2. The high reputation. 3. ... form: OPEN,RS,2RS,ZZ,Z,RZ,2RZ, 2.Material Plastic Material 3.Quality standard: ISO9001:2000 4..Accuracy grade: P0 ... , Motor, Pump, Fan, Are conditioner, Microwave Oven, Rangehood, sewing machine, massage chairs, Textile machinery, Electric tools, Agriculture machinery, fitness equipment, etc ...