CRAWLER VEHICLE ROAD WHEEL Russian patent published in 1997 - IPC

FIELD: transport engineering; crawler vehicles. SUBSTANCE: crawler vehicle road wheel has roller 1 mounted through bearing unit 2 on fixed axle 3 with oil bath 4 in its inner space connected through radial holes 5 with bearing unit 2, and through channels 6, with end face oil seals 7. Holes 5 are arranged in pairs on cross planes at acute angle, preferably, at 60 degrees, relative to vertical O-O₁ dropped through geometric axis of road wheel. Axle 3 has three longitudinal flats in zone of contact with bearing unit 2: flat 8 is made in upper part of axle 3 and two flats 9 are located on its opposite side surfaces in planes square to plane of upper flat. EFFECT: provision of constant delivery of lubricant to friction surfaces of road wheel bearing unit. 2 cl, 2 dwg