1.strong technology service support. 2.low frictional torque. 3.produce ... available in many executions and sizes. Linxi County Haiyang Bearing co.,Ltd Co. , Ltd.Product NameDeep groove ball bearingCode618series,619seriesBrandWorld brandChina brand: LYC, ... Market: Asia, Middle East, America... Linxi County Haiyang Bearing co.,Ltd Co., Ltd.Product scope:Deep groove ball bearing, thrust ball bearing, ...