Industrial replacement referenceSource-backed records · No compatibility guesswork

Loading industrial replacement data

03UCBN2 cross-reference: SFN03B, M0320 BM, JFN03B, N2002 | Replacement Intelligence

Manufacturer-published cross-reference

03UCBN2

Falk / Rexnord SMR cross-table row · Verify motor speed and installed ratio · AGMA unit size Ultramite size 03

PublisherFalk / RexnordCheckedSep 21, 2026

Claim typePublished manufacturer cross-referenceRatioVerify motor speed and installed ratioAGMA unit sizeUltramite size 03Open source table ↗

Models printed in this source row13

Publisher targetFalk / Rexnord03UCBN2

Published comparisonBrook Hansen S3 SeriesSFN03B

Published comparisonDavid BrownM0320 BM

Published comparisonHansen J SeriesJFN03B

Published comparisonLeroy Somer NXTN2002

Published comparisonMorse Powerline2002

Published comparisonNORD UNICASESK02

Published comparisonSEW-EURODRIVER32

Published comparisonSterling ElectricH0302

Published comparisonSumitomo SM-Cyclo3090

Published comparisonSumitomo SM-Cyclo3095

Published comparisonSumitomo SM-Cyclo3097

Published comparisonWinsmith J SeriesJFN03B

What the evidence supportsClaim scope

Falk/Rexnord Form 950-501 publishes 03UCBN2 in its base-mounted helical dimensional comparison for size 03. 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 03UCBN2 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 03.

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.

Search another model Field replacement checklist Source PDF ↗