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Manufacturer dimensional interchange
Falk / Rexnord-published interchange row · Verify motor speed and installed ratio · Published size reference Ultramite size 09
Falk/Rexnord Form 950-501 publishes 09UCBN2 in its base-mounted helical dimensional comparison for size 09. The guide states that several competitive helical designs are drop-in replacements but instructs users to verify motor speed, gear ratio, output RPM, mounting position and current catalog ratings. Availability of this historical configuration should also be confirmed.
The manufacturer publishes the two models in a dimensional-interchange table or equivalent dimensional comparison.
Falk / Rexnord identifies 09UCBN2 as the target in this published source row · Verify motor speed and installed ratio · Ultramite size 09.
Dimensional alignment does not by itself prove identical torque, thermal rating, service factor, ratio, accessories, or application suitability.
Accessories, bushings, motor mounts, backstops, shafts, screw-conveyor components, and application duty still need to be checked individually.