The invention discloses an inlay combined type large self-lubricating support bearing, which has a simple structure, low cost and reliable quality and is convenient to process. The inlay combined type large self-lubricating support bearing is provided with an arc tilting fillet (1), wherein the inner surface of the arc tilting fillet (1) is provided with a plurality of steel backing metal plastic composite bearing pads (2) which are spliced along the circumferential direction and of which the widths are equal to that of the arc tilting fillet (1); the inner surface of the arc tilting fillet (1) is provided with axial spacing slots (3); the surfaces corresponding to the steel backing metal plastic composite bearing pads (2) are provided with bosses (4) matched with the axial spacing slots (3); the tile surfaces (5) of the steel backing metal plastic composite bearing pads (4) have an integral structure; joint surfaces of the tile surfaces (5) and steel substrates (6) are provided with radial arc surfaces, thrust end faces and transition arc surfaces; a screw hole (7) is radically processed on the steel substrate (6) of each steel backing metal plastic composite bearing pad; and a bolt (8) passes through the arc tilting fillet (1) and is connected with the screw hole (7).