PTFE Engineering Plastics Thrust Ball Bearings P51100 P51102 P51203 P51205 P51208 P51211 Baotou Guanying Trading Co., Ltd. Base Info Description Pre：Plastics Deep Groove Ball Bearings P6204 P6303 P6405 P16002 Next：Plastics Angular Contact Ball Bearings P7300 P7002 P7203 P7906 PTFE Material
