FIELD: mechanical engineering. SUBSTANCE: shock absorber sealing unit includes cylinder, axle box, nut, rod, sealing pack for fixed joint, sealing pack for end joint, sealing pack for movable joint, stop with circular sealing projection engageable with sealing pack, additional, washer, collar spacer ring and collars. Sealing the shock absorber is effected by means of sealing packs. End sealing pack ensures sealing of chromium coat of rod. Gas protective sealing pack provides for gas protection of sealing pack including collars and collar spacer ring pressed by additional nut through washer. EFFECT: enhanced reliability; increased power intensity; enhanced operational stability of shock absorber with no increase of its mass and overall dimensions. 4 cl, 2 dwg
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