... Europe and America.3,COMPARISON OF THE COVER STRUCTUREThe oil bearing used the oil is PERMAWICK # 284 which is imported from ... temperature is from -40oC to +100oC.The ball bearing with advanced construction,this high quality bearing gives the motor high energy efficiency,great ... installation way.5,SOME DRAWINGSIf need more info,pls kindly contact with me,thank you!6,About our company and factory7 ...