A webbing take-up device comprising a take-up shaft on which webbing is taken up; a movement member that is moved at a specific occasion such as a vehicle collision is detected or there is rapid vehicle deceleration; a rotation member comprising a coaxially provided rotation shaft support portion and recess portion formed at an end portion in an axial direction of the rotation shaft support portion, the take-up shaft being rotated in the take-up direction by the rotation member meshing with the movement member and being rotated during movement of the movement member; and a cover member disposed on a rotation shaft support portion side of the rotation member, the cover member comprising a plate portion, a substantially ring shaped wall that projects out from the plate portion towards a rotation member side and is accommodated in the recess portion, and a shaft bearing hole formed in the plate portion and the substantially ring shaped wall for supporting the rotation shaft support portion.