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09UCBN2 cross-reference: SFN55B, M0920 BM, DG6A, D100 | Replacement Intelligence

Manufacturer-published cross-reference

09UCBN2

Falk / Rexnord SMR cross-table row · Verify motor speed and installed ratio · AGMA unit size Ultramite size 09

PublisherFalk / RexnordCheckedSep 21, 2026

Claim typePublished manufacturer cross-referenceRatioVerify motor speed and installed ratioAGMA unit sizeUltramite size 09Open source table ↗

Models printed in this source row18

Publisher targetFalk / Rexnord09UCBN2

Published comparisonBrook Hansen S3 SeriesSFN55B

Published comparisonDavid BrownM0920 BM

Published comparisonDodge APGDG6A

Published comparisonFlender/MotoxD100

Published comparisonFlender/MotoxD101

Published comparisonFlender/MotoxZ100

Published comparisonFlender/MotoxZ101

Published comparisonHansen J SeriesJFN43B

Published comparisonLeroy Somer NXTN25

Published comparisonMorse Powerline250

Published comparisonNORD UNICASESK52

Published comparisonSEW-EURODRIVER92

Published comparisonSEW-EURODRIVER93

Published comparisonSterling ElectricH0902

Published comparisonSumitomo SM-Cyclo3170

Published comparisonSumitomo SM-Cyclo3175

Published comparisonWinsmith J SeriesJFN43B

What the evidence supportsClaim scope

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.

This page does say

These model numbers appear together in the cited manufacturer-published cross-reference row.
Falk / Rexnord identifies 09UCBN2 as the target model in that published row.
The source associates the row with Verify motor speed and installed ratio and AGMA unit size Ultramite size 09.

This page does not say

Every competitor model listed beside each other is independently certified as pairwise interchangeable.
Every installed accessory, bushing, motor mount, backstop, shaft, or screw-conveyor component will transfer unchanged.
The cross-reference removes the need to verify application torque, mounting, environment, and configuration.

Before treating it as a drop-in replacementVerification checklist

Ratio & speedVerify the actual ratio and required output speed.

Bushing / boreConfirm the installed shaft diameter and the required tapered bushing or bore arrangement.

AccessoriesCheck torque arm, backstop, motor mount, belt guard, screw-conveyor flange and drive shaft individually.

Torque & serviceConfirm continuous/peak torque, service factor, starts, shock load and thermal duty.

EnvelopeVerify center height, housing clearance and all mounting dimensions against the drawing.

EnvironmentConfirm lubricant, seals, ambient temperature, washdown/corrosion and hazardous-area requirements.

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