PROBLEM TO BE SOLVED: To provide a rotary device capable of preventing the release of a preload by moment.SOLUTION: The rotary device comprises: a housing 11 an annular outer ring 41 fitted into an inner circumference of the housing 11 a first inner ring 50 and a second inner ring 60 disposed on an inner circumference of the outer ring 41 a connecting bolt 83 connecting the first inner ring 50 to the second inner ring 60 a rotation member 20 that includes a flange portion 22 extending radially and a cylindrical portion extending axially and an attachment bolt 81 attaching the rotation member 20 in a state of contacting the flange portion with the first inner ring 50, a first insertion hole 24 being axially formed in the flange portion 22, a second insertion hole 52 being axially formed in the first inner ring 50, a screw hole 62 being formed in the second inner ring 60, and the attachment bolt 81 being inserted into the first insertion hole 24 and the second insertion hole 52 to screw the attachment bolt 81 with the screw hole 62 in a state of contacting the flange portion 22 with the first ring 50.COPYRIGHT: (C)2016,JPO&INPIT【課題】モーメントによって予圧が抜けない回転装置を提供する。【解決手段】ハウジング11と、ハウジング11の内周に嵌合された環状の外輪41と、外輪41の内周側に配置された第1内輪50および第2内輪60と、第1内輪50および第2内輪60を連結する連結ボルト83と、半径方向に延びるフランジ部22および軸方向に延びる円筒部を有する回転部材20と、フランジ部を第1内輪50に接した状態で回転部材20を取り付ける取り付けボルト81とを備えた回転装置において、フランジ部22に軸方向に第1挿通穴24を形成し、第1内輪50に軸方向に第2挿通穴52を形成し、第2内輪60にねじ穴62を形成し、フランジ部22を第1内輪50に接した状態で、取り付けボルト81を第1挿通穴24および第2挿通穴52に挿通し、取り付けボルト81をねじ穴62に螺合させた。【選択図】図1
