Manufacturer functional interchange
Superior Gearbox BMQ090 appears in the same manufacturer-published cross-reference row as Baldor 350 at Match installed ratio/application · VarioDrive size 090.
Superior Gearbox publishes BMQ090 (VarioDrive size 090, motor input flange) as a competitor cross-reference target. Superior describes VarioDrive as functionally interchangeable with listed drives while requiring independent verification of ratings, dimensions, fit and application suitability.
The manufacturer describes the target family as functionally interchangeable with the listed competitor model or configuration.
Baldor 350 and Superior Gearbox BMQ090 are tied by the published source at Match installed ratio/application · VarioDrive size 090.
The source still requires ratings, dimensions, ratio, fit, and application conditions to be checked before ordering.