A bearing arrangement comprised in an actuator of a forest machine, the bearing arrangement comprising - a bearing (140, 140b) comprising a tubular frame (144, 144b) which defines the longitudinal direction of the bearing (140, 140b), - an axle arranged through the frame (144, 144b) of the bearing (140, 140b) in said longitudinal direction of the bearing (140, 140b), - a frame of the actuator of the forest machine, the frame delimiting a first opening, - a bushing (120, 120b), at least part of the bushing (120, 120b) being arranged in the first opening, - the bushing (120, 120b) delimiting a second opening, at least part of the axle and/or the bearing (140, 140b) being arranged in the second opening, the axle or bearing (140, 140b) being arranged stationary or movable in relation to the bushing (120, 120b), wherein - the bushing (120, 120b) is removable from the frame of the actuator of the forest machine, - the end of the frame (144, 144b) of the bearing constitutes a motion surface of the bearing (140, 140b), - the bushing (120, 120b) comprises a tubular frame whose shape defines the longitudinal direction (Sx) of the bushing (120, 120b), and - the frame of the bushing has a first thickness (T 1), characterized in that - the bushing (120, 120b) comprises a flange protruding from the frame of the bushing, at its one end, radially and perpendicularly to the longitudinal direction (Sx) of the bushing, wherein the bushing (120, 120b) and its flange are arranged to sustain forces in the longitudinal direction (Sx) of the bushing, - the flange of the bushing has a second thickness (T 2), and - the second thickness (T 2) is at least one and a half times the first thickness (T 1). - a bearing (140, 140b) comprising a tubular frame (144, 144b) which defines the longitudinal direction of the bearing (140, 140b), - an axle arranged through the frame (144, 144b) of the bearing (140, 140b) in said longitudinal direction of the bearing (140, 140b), - a frame of the actuator of the forest machine, the frame delimiting a first opening, - a bushing (120, 120b), at least part of the bushing (120, 120b) being arranged in the first opening, - the bushing (120, 120b) delimiting a second opening, at least part of the axle and/or the bearing (140, 140b) being arranged in the second opening, the axle or bearing (140, 140b) being arranged stationary or movable in relation to the bushing (120, 120b), wherein - the bushing (120, 120b) is removable from the frame of the actuator of the forest machine, - the end of the frame (144, 144b) of the bearing constitutes a motion surface of the bearing (140, 140b), - the bushing (120, 120b) comprises a tubular frame whose shape defines the longitudinal direction (Sx) of the bushing (120, 120b), and - the frame of the bushing has a first thickness (T 1), characterized in that - the bushing (120, 120b) comprises a flange protruding from the frame of the bushing, at its one end, radially and perpendicularly to the longitudinal direction (Sx) of the bushing, wherein the bushing (120, 120b) and its flange are arranged to sustain forces in the longitudinal direction (Sx) of the bushing, - the flange of the bushing has a second thickness (T 2), and - the second thickness (T 2) is at least one and a half times the first thickness (T 1).