Nkx20z Combined Needle Roller Bearing Nkx20 Nkx15 Nkx50 Baotou Guanying Trading Co., Ltd. Base Info Description Pre：Solid Collar Needle Roller Bearing Nk16/20 Nk17/20 Nk18/20 Next：Spherical Roller Bearing 22216cck/W33+H316 with Inherently Self-Aligning
