YFB machine type needle roller bearing is a kind of high capacity bearing with small sectional height. It can operate very flexibly even with alloy bearing seat due to its high hard outer ring.

There are two series:metric and inch series.Both of which are structured with retainer,full needle and sealing types.Besides,the machine type needle roller bearing are devided into two kinds:that
with ring and without ring.The center shaft is used as rolling body tray for those without inner ring so that its size is even smaller.