... meet ABEC-3,5 standard,more information about BTR can be found on our website. main brand:SKF , TIMKEN, NSK, FAG , NTN ... .service :OEM service8.application:mining,machinery,milling,cement and so on.9.package:carton, box or imported with original packaging10.the ... 20-----240mm The following is the competitive productsNO.Boundary DimensionWeight (kg)Priced(mm)D(mm)T(mm)30302J2154214.250.095Contact us320 ...