CAGE 55x60x40 (K 556040)Long Needle Cage Assembly 556040 mm K 556040 The YFB K 556040 needle cage assembly (size 556040 mm) is a long radial cage for needle rollers, designed to provide high radial capacity and extended guidance on 55 mm shafts. With hardened shaft and housing raceways, it forms a robust bearing arrangement for demanding industrial drives across Pakistan. As the exclusive owner and distributor of YFB brand in Pakistan, Abdul Traders supplies genuine K Series