Full Ceramic Bearings, Made of of Si3N4/ZrO2 Materials Cofco Hebei International Trading Co., Ltd. Base Info Trademark：NSJ or according to customer′s requirementSpecification：ABEC1 ABEC3Origin：Cixi Ningbo Zhejiang Description Pre：H/HK/ Ball Bearing / Needle Roller Bearing Next：Angular Contact Ceramic Ball Bearings
