... -size bearing,Over-size bearing,Wind power bearing,Heavy-duty bearingDouble-row ball slewing bearing ,Crossed cylindrical roller ... 2000ServiceOEM servicePayment TermT/T,L/CApplicationWidely used in machine tools ,heavy-duty equipment , construction machinery, oil drilling , metallurgy machinery,Mine ... -rust oil first,andthen wrapped with the plastic film.2,and then packed with kraft paper and ...