Designed with large through-holes to accommodate variety of automated machinery and equipment, CAMCO ring index drives include Models 1100RNG, 1550RNG, 750RNG, and 2000RNG with nominal ring dia of 1, 1.5, 0.75, and 2 m, respectively. Users can attach fixtures directly to dial ring, eliminating need for additional dial plate. Direct shaft-mounted motorized drive package features precision-ground cam with preloaded cam followers, cast steel housing, and preloaded center rib design.