CAGE 15X19X13 (K 151913)Needle Cage Assembly 151913 mm K 151913 The YFB K 151913 needle cage assembly (size 151913 mm) is an extra short radial cage for needle rollers on 15 mm shafts, ideal where axial space is very limited. Combined with hardened shaft and housing raceways, it provides low friction radial support for compact mechanisms across Pakistan. As the exclusive owner and distributor of YFB brand in Pakistan, Abdul Traders supplies genuine K Series cages to OEMs and