... to individual requirement of different customers 4.Tolerance and ClearanceThe tolerance and clearance of thrust ball bearings that we produce ... commonly use concludes calcium grease, lithium grease, and high temperature grease, etc.Company Name:Qingdao Rich Bearing Co.,LtdSales Manager: ... , Qingdao city ,Shandong province, China 2012 High precision and low noise bearings company liaocheng manufacuter