Plastic POM Ball Cage Bronze Ball Bearing Fz Guide Plastic Ball Cage Retainer Metal Ball Retainer, Steel Ball Cage, Ball Bearing Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：MR126/MR126ZZ/MR126-2RS Micro Ball Bearing for The Photographic Machinery Next：603/603ZZ Ball Bearing for Household Electric Appliance
