... -3,5 standard,more information about BTR can be found on our website.main brand:SKF , TIMKEN, NSK, FAG , NTN,KOYO, THK ... your requirement ,such as SRL,PS2,Alvania R12 and so on.7.service :OEM service8.application:mining,machinery,milling,cement and ... so on.9.package:carton, box or imported with original packaging10.the ...