VW series roller bearing according to difference of seal type can be divided into iron cover seal (no suffix, such as: RM1) and rubber cover seal (name of X suffix, such as: RM2-2RS) two kinds If using stainless steel material, the name will be the words with the SS, such as: W3SSX

8MM Bore; 24MM Roller Diameter; 11MM Roller Width; Crowned Roller Surface Profile; Sealed Enclosure; Ball Bearing-Double Row; Relubricatable LR 50/8 NPPU bearings are produce with Chrome steel Gcr15 material ,we have bearing with 563 PCS in stock ,for more informations pls contact with us now.