Laundry washing machine

A laundry washing machine comprising:

• an outer casing;
• a washing tub inside the outer casing and configured to contain a washing liquid;
• a drum fitted in an axially rotatable manner inside the washing tub and configured to contain laundry to be washed;
• and
• at least one balancing ring rigidly secured to the drum and configured to reduce vibrations generated during rotation of the drum, the at least one balancing ring comprising:
• a toroidal annular housing rigidly secured to the drum and having a peripheral supporting structure configured to stably abut against a body of the drum, the toroidal annular housing further comprising a tubular structure defining a closed annular inner cavity, and
• a number of balancing masses accommodated in free movable manner inside the annular inner cavity,
• wherein the annular housing has a frustoconical outer wall segment that is inclined by an angle (β) lower than 90° with respect to a midplane (P) of the annular housing, and
• wherein the peripheral supporting structure juts out outwardly from the frustoconical outer toroidal wall segment of the annular housing.