Needle bearings: 1.Needle bearingshas mainly to drawn cup needle roller bearing, radial needle roller and cage assembly, trundleing the needle with maintains a module, needle roller thrust bearing, entity bushed needle roller bearings, support roller. 2.Needle bearingsare widely used in automobile, motocycle, moped, electric tools, textile machinery, agricultural machinery, construction machinery, etc. 3.Parts of needle bearings: Model No.d(mm)D(mm)B(mm)NAV394020028060RNAV606324532WN1819RS18.462918.6NAPL4148240400160NAV4003173518KNL40*60*30406030KNL32*50*45325045KNL25*38*34.7253834.7NA6919A9513063RNA499A122021NA49/28284517RNA598A121915RNA6/272742.8625.4RNA6905304230NAO304517304517RNA20331220331258047/14142416.6NK25/30253330NK145/25456225