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08UCBN2 cross-reference: SFN45B, M0820 BM, DG5A, D80 | Replacement Intelligence

Manufacturer-published cross-reference

08UCBN2

Falk / Rexnord SMR cross-table row · Verify motor speed and installed ratio · AGMA unit size Ultramite size 08

PublisherFalk / RexnordCheckedSep 21, 2026

Claim typePublished manufacturer cross-referenceRatioVerify motor speed and installed ratioAGMA unit sizeUltramite size 08Open source table ↗

Models printed in this source row18

Publisher targetFalk / Rexnord08UCBN2

Published comparisonBrook Hansen S3 SeriesSFN45B

Published comparisonDavid BrownM0820 BM

Published comparisonDodge APGDG5A

Published comparisonFlender/MotoxD80

Published comparisonFlender/MotoxD81

Published comparisonFlender/MotoxZ80

Published comparisonFlender/MotoxZ81

Published comparisonHansen J SeriesJFN43B

Published comparisonLeroy Somer NXTN24

Published comparisonMorse Powerline240

Published comparisonNORD UNICASESK42

Published comparisonSEW-EURODRIVER80

Published comparisonSEW-EURODRIVER83

Published comparisonSterling ElectricH0820

Published comparisonSumitomo SM-Cyclo3160

Published comparisonSumitomo SM-Cyclo3165

Published comparisonWinsmith J SeriesJFN43B

What the evidence supportsClaim scope

Falk/Rexnord Form 950-501 publishes 08UCBN2 in its base-mounted helical dimensional comparison for size 08. 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 08UCBN2 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 08.

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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