Changzhou smz bearings is a professional needle roller bearings, overrunning clutches and cylindrical roller bearings supplier. we are dedicated to provide not only professional products but also professional service and advice. our purpose is to provide most direct source and save all the intermediate links for the customers. our mainly produce and supply as below, 1. drawn cup needle roller bearings (hk,bk,sce,ta,tla,tam,b,bh,ba,bce,j,jh mf,fy) 2. drawn cup needle roller cltuches (fc,rc,fc,hf,hfl,hf…kfr, hfl…kfr,fcb,rcb) 3.radial needle roller and cage assemblies(k,kzk,kbk,k...zw,wj) 4. heavy duty needle roller bearings (na,rna,nk,nki,rnao,nao,rnav,nav) 5.needle thrust bearing(axk,axw,nta,k811,k812,as,ws,gs,ls,ls0821) 6.cam follower(track roller,yoke type track roller kr,kr…pp,cf,cf…uu natr,natv,nutr,kr,sto,nukr) 7.inner ring(ir,lr,irt,lrb) 8.needle rollers 9.cylindrical roller bearing(slseries,nu,nj,nup,nup….n,nup…nr)