... ball bearings, cylindrical roller bearing, tapered roller bearings,, insert ball bearings, needle roller bearings, linear bearing, self-aligning ... self aligning ball bearings, thrust ball bearings, spherical insert ball bearings and tapered roller bearings.We have various ... all kinds of materials: ZrO2, Si3N4, plastic,stainless steel, chromium steel, etc. Contact info:Jinan Yuki Bearing Co., Ltd. ...