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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
ringso that its size is even smaller.
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