Anello interno LR, cilindrico
LR15X18X12,5, LR17X20X30,5, LR20X25X38,5, LR25X30X16,5, LR20X25X16,5, LR40X45X20,5, LR35X40X20,5, LR20X25X12,5, LR8X12X10,5, LR12X15X22,5, LR15X18X16,5, LR35X40X16,5, LR30X35X20,5, LR22X28X20,5, LR45X50X25,5, LR25X30X20,5, LR7X10X10,5, ...