PROBLEM TO BE SOLVED: To provide a fishing spinning reel capable of accurately maintaining perpendicularity of a reception seat to a boss part, and improving guide performance of forward/backward movement of a spool reciprocation device.SOLUTION: A fishing spinning reel comprises: a reel body comprising a body in which a spool reciprocation device is stored; and a support member 26 which is formed separately from the body and is attached to an attachment part 11h provided on an external part of the body. The body comprises an insertion hole 25 penetrating the attachment part 11h and communicating the inside of the body and the attachment hole 11h, and the spool reciprocation device has a linkage gear 52. The support member 26 comprises: a boss part 26b protruded to the inside of the body through the insertion hole 25, and supports the linkage gear 52; and a reception seat 26c formed in the surrounding of the boss part 26b and protrudes into the body through the insertion hole 25 for receiving the linkage gear 52.SELECTED DRAWING: Figure 5COPYRIGHT: (C)2020,JPO&INPIT【課題】ボス部に対する受け座の垂直度を高精度に維持することができ、スプール往復動装置の前後動の案内性能を向上させることができる魚釣用スピニングリールを提供する。【解決手段】内部にスプール往復動装置を収容したボディを有するリール本体と、ボディと別体に形成され、ボディの外側部に設けられた取付部11hに対して取り付けられる支持部材26と、を備えている。ボディは、取付部11hを貫通し、ボディ内と取付部11hとを連通する挿入孔25を有しており、スプール往復動装置は、連動歯車52を備えており、支持部材26は、挿入孔25を通じてボディ内に突出し連動歯車52を支持するボス部26bと、ボス部26bの周囲に形成され、挿入孔25を通じてボディ内に突出して連動歯車52を受ける受け座26cと、を備えている。【選択図】図5