Railcar steering bogie including brake unit

A railcar steering bogie comprising:

• a bogie frame;
• a wheelset including an axle and a pair of wheels;
• an axle box suspension coupling an axle box and the bogie frame, the axle box accommodating a bearing supporting the axle;
• a steering mechanism configured to steer the wheelset;
• a brake unit including
• a main body frame including an upper portion rotatably attached to the bogie frame and
• a brake shoe supported by the main body frame and pressed against a wheel tread of the wheel during braking;
• and
• a brake unit support link coupling the axle box suspension and the brake unit and configured to transmit displacement of the axle box in a car longitudinal direction to the brake unit at least during steering performed by the steering mechanism,
• the brake unit support link being outward of the wheel in a car width direction,
• the brake unit support link restricting the brake unit from being displaced outward in the car width direction by a predetermined distance or more during the braking,
• at least one of a side surface of the brake unit support link and a side surface of the brake unit including a sliding surface.