-YFB Machined type needle bearings is a kind of high capacity bearing with small sectional height.It can operate very flexibly even with the light alloy bearing seat due to its high hard outer ring.There are two series:metric & inch series. Both of which are structured with retainer,full needle and sealing types.Besides,the machined type needle roller bearings are divided into two kinds: with inner ring and without inner ring. The center shaft is used as rolling body tray for those without inner rings ,so that its size is more smaller.