... ,206,206-19,206-20,207-20,207-21,207-22 ,207,207-23 ,208-24,208-15,208,209-26,209 ... deep groove ball bearings with seals at both sides and spherical outside surface ,and a housing ,suitable for simple support ,widely used ... in varietiesof mechanical equi[ment,especially for agricultural ,metallurgical ,textile and printing machinery .For any more details information please do not ...