SNLN 30 Series can be considered as an extension of SNL 500 series which limits shaft diameter up to 110 mm, whereas SNLN 30 series goes beyond this shaft size. SNLN 30 maintains all advantages of SNL 500 series as well as designed stronger enough for heavier bearing series 23024 to 23056. This series caters specific industrial demand for heavy bearing as compared to even SNL Large series housings for similar bearings. SNLN 30 series supersedes the previous SN 30 series.