... The housing is mainly casting or pressed steel4) The bearing units are compact in design with perfect sealing devices5) They ... roller bearings,, insert ball bearings, needle roller bearings, linear bearing, self-aligning ball bearings, self-aligning roller bearings, thrust ... ,stainless steel, chromium steel, etc. Contact info:Jinan Yuki Bearing Co., Ltd. 5A-002,BinFenWuZhou,No.96 Jiluo Road, Tianqiao ...