FIELD: optical instruments and system. SUBSTANCE: gasket made of flexible material is introduced into bearing support. gasket is installed in ring groove formed by groove in housing, bearing outer race and pressure flange. Flange, acting onto gasket material, provides deformation of gasket at increase in pressure from flange and bearing outer race. EFFECT: increased accuracy of bearing support, provision of protection of bearing from impact loads, reduced labour input in manufacture. 1 dwg
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