GS81112 is a housing locating washer forming part of the axial cylindrical roller bearing set 811, intended for single direction axial load support. It is used together with the K811 cage and roller assembly and the WS shaft locating washer to complete the full bearing arrangement. Outside diameter is 85.0 mm and net mass is 92.7 g. As the housing-side element, GS81112 provides the flat raceway surface against which the roller and cage assembly runs, transferring axial load into the housing seat. Combined with K811 and WS, it forms a complete cylindrical roller bearing set for single direction axial loading, with radial guidance and lubrication to be provided separately by the surrounding housing design.