A fishing-reel reel unit includes a main body member a first outer member, and a first inner member. The first outer member is mounted on the main body member, and the first outer member includes a corrosion-resistant coating formed thereon. The first inner member is formed in a tubular shape, when the first inner member is fixed to an inner periphery of the first outer member. The first inner member has a first inner peripheral surface on which a first bearing is mounted, and the first inner member is made of a corrosion-resistant material.本發明之課題係在於針對釣魚用捲線器的捲線器本體,既可維持高度的軸承裝設部的耐蝕性,又可高精度地形成軸承裝設部的內周。用以解決課題之手段為,藉由以耐蝕性材料之不銹鋼合金形成第1內側構件(72)及第2內側構件(82),因僅在第1外側構件(71)及第2外側構件(81)形成耐蝕性被膜之陽極氧化被膜,而不需要在第1內側構件(72)的第1內周面(72a)、第2內側構件(82)的第3內周面(82a)及第4內周面(82b)形成耐蝕性被膜,所以,既可維持高度的第1外側構件(71)及第2外側構件(81)的耐蝕性,又可高精度地形成第1內側構件(72)及第2內側構件(82)的內周。6b‧‧‧第2側蓋6c‧‧‧第1開口6d‧‧‧第2開口6g‧‧‧定位銷70‧‧‧第1軸承裝設部71‧‧‧第1外側構件71a‧‧‧第1母螺絲部71b‧‧‧第2內周面71c‧‧‧第1凸緣部72‧‧‧第1內側構件72a‧‧‧第1內周面72b‧‧‧第1公螺絲部80‧‧‧第2軸承裝設部81‧‧‧第2外側構件81a‧‧‧第2母螺絲部81b‧‧‧第2凸緣部82‧‧‧第2內側構件82a‧‧‧第3內周面82b‧‧‧第4內周面82c‧‧‧第2公螺絲部
