... POM Danly, Hasco, MISUMI, PUNCH, DIN Without MOQ Ball retainer(Ball cages, ball bearing cages)Material: Brass,Aluminum, POMDanly, Hasco, MISUMI, ... PUNCH, DINWithout MOQ Ball Retainer Bearing with the rolling ball principle, with a copper base, aluminum or ... a traditional column sets of replacement products, to high-speed sports, mainly for rolling Die moldbase and high- ...