Limit switch

A limit switch comprising:

• a switch body having a contact mechanism inside;
• and
• an operation unit connected to the switch body, wherein
• the operation unit comprises
• a housing body connected to the switch body,
• a pivoting shaft extending from an outside of the housing body to an inside of the housing body and pivotable around an extending direction of the pivoting shaft,
• a bearing that is provided in the housing body and pivotably supports the pivoting shaft, and
• an operation lever that extends in a direction intersecting with the pivoting shaft, is connected to the pivoting shaft outside the housing body, and pivots the pivoting shaft to turn on and off the contact mechanism, wherein
• the operation unit comprises
• a cylindrical peripheral wall surrounding the bearing around the pivoting shaft outside the housing body, and
• a pivoting shaft support that is provided in the extending direction of the pivoting shaft within the peripheral wall at a position further away from the inside of the housing body than the bearing around the pivoting shaft, permits pivoting of the pivoting shaft with respect to the housing body in a state of an external force along the extending direction of the pivoting shaft being not applied to the operation lever, and contacts the peripheral wall to support the pivoting shaft in a state of an external force along the extending direction of the pivoting shaft being applied to the operation lever.