CAGE 32X37X17 (K 323717)Needle Cage Assembly 323717 mm K 323717 The YFB K 323717 needle cage assembly (size 323717 mm) is an extra compact radial cage for needle rollers on 32 mm shafts, ideal when both diameter and length must be minimised. Used with hardened shaft and housing raceways, it provides low friction radial support for compact machinery across Pakistan. As the exclusive owner and distributor of YFB brand in Pakistan, Abdul Traders supplies genuine K Series cages