1. Dispenser (1) seeds precision pneumatic seed drill (3), of the type comprising: a seed disc (16) which rotates driven by a motor transmission shaft (20) with adjustable speed, the housing (10) with a fixed part ( 11) in which is mounted a shaft (20) and the part (12) which is movable relative to the fixed part (11) and can be closed against it, the chamber (15) for collecting seeds formed in the fixed part (11), a pneumatic suction chamber (17) formed in the movable part (12), This seed disc (16) is located between portions (11, 12) and has opposite surfaces bounding the chamber (15, 17), with the seed disc (16) has at least one ring of selector holes (23) extending between opposite sides, iuplotnenie (24) arranged on the movable part (12) and adapted to slidably contact with the facing surface of the disk (16) when the parts (11, 12) are closed against each other, while between the opposite surfaces in the peripheral segment holes of the ring ( 23) ensures ensures, differential pressure, characterized in that the distributor (1) seed further comprises a thrust bearing element (26) of the seed disc (16) rotatably mounted in the movable part (12) to counteract at least some axial load provided by the disc (16 ) against the seal (24) .2. Dispenser (1) seeds according to claim 1, wherein the thrust bearing member (26) rotates the disk (16) when the parts (11, 12) are closed against each druga.3. Dispenser (1) seeds according to claim 1 or 2, wherein the thrust bearing element (26) comprises1. Распределитель (1) семян прецизионной пневматической рядовой сеялки (3), относящийся к типу, содержащему:высевающий диск (16), который вращается приводимым во вращение двигателем трансмиссионным валом (20) с регулируемой скоростью,корпус (10) с фиксированной частью (11), в которой установлен вал (20), и частью (12), которая выполнена подвижной относительно фиксированной части (11) и может закрываться против нее,камеру (15) для сбора семян, образованную в фиксированной части (11
