The Bauer 900210123 is a genuine tapered roller bearing, engineered for high performance and durability in industrial machinery. With an inner diameter of 40mm, an outer diameter of 80mm, and a width of 23mm, this precision-engineered component ensures optimal load distribution and reduced friction. Weighing 0.5 kg, it is a critical spare part for maintaining the efficiency and extending the operational life of Bauer gear motors and other compatible industrial equipment.