Ametek Lamb 240V 3 Stage By Pass Ball Bearing Vacuum Motor #117502-13The Ametek Lamb 117502 13 is a 240V, 3 stage by pass motor built with ball bearings for sustained performance in heavy duty vacuum applications. It delivers the consistent suction and durability that commercial and industrial vacuum systems depend on. 3 stage by pass design maintains airflow efficiency while keeping motor windings cool and protected from debris Ball bearing construction reduces friction and extends service life compared to sleeve