Inner ring: Antifriction bearing steel, hardened, ground and polished. Outer ring: Swaged around the inner ring, sliding face made of high-duty bronze. Lubricant is distributed via the lubrication groove in the outer ring. Housing: Sizes 3 to 12 free-cutting steel, sizes 14 to 50 tempering steel (standardised), all sizes galvanized and chromatised. The spherical bearing is pressed into the housing and caulked at both sides. Lubrication nipple: Sizes 3 and 5 without lubrication nipple. Sizes 6 to 50 lubrication nipple DIN 3405, shape D. Further lubrication nipple shapes available on request. Special versions: - Housing heat-treated, for static load capacity C0 see-V - Housing made from high-grade tempering steel (heat-treated), for static load capacity C0 see -L - Housing crack-tested - Sliding face of inner ring 5 um to 10 um hard chromium plated - Further versions available on request.