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208UC cross-reference: R82, R87 | Replacement Intelligence

Manufacturer-published cross-reference

208UC

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

PublisherFalk / RexnordCheckedSep 21, 2026

Claim typePublished manufacturer cross-referenceRatioVerify installed ratio / motor speedAGMA unit sizeUltramite UCOpen source table ↗

Models printed in this source row3

Publisher targetFalk / Rexnord208UC

Published comparisonSEW-EURODRIVER82

Published comparisonSEW-EURODRIVER87

What the evidence supportsClaim scope

Falk/Rexnord publishes 208UC in the 281-810 Ultramite dimensional interchange guide beside the listed SEW models. Rexnord instructs users to verify motor speed, ratio, mounting position, and current catalog ratings/dimensions before interchange.

This page does say

These model numbers appear together in the cited manufacturer-published cross-reference row.
Falk / Rexnord identifies 208UC as the target model in that published row.
The source associates the row with Verify installed ratio / motor speed and AGMA unit size Ultramite UC.

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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