Industrial replacement referenceSource-backed records · No compatibility guesswork

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4207J25C → 5207J25A replacement

Manufacturer-published selection

Falk 4000 4207J25C replacement

Falk / Rexnord 5207J25A appears in the same manufacturer-published cross-reference row as Falk 4000 4207J25C at 25:1 · AGMA size 207.

Published target5207J25AFalk / Rexnord25:1

Evidence publisherFalk / RexnordEvidence typePublished selectionReviewedSep 21, 2026Open source ↗

Replacement referenceDirectional lookup

Existing / searched modelFalk 40004207J25COpen source-model record →

Published target modelFalk / Rexnord5207J25AOpen target specs →

What the source establishesPublished selection

Rexnord Table 1 publishes Falk 5207J25A with the listed competitor models for a 5 hp / 15 rpm selection at 1.0 service factor and 25:1 nominal ratio.

Evidence meaning

The manufacturer publishes the target as the selection for the stated competitor size, ratio, or duty point.

Falk 4000 4207J25C and Falk / Rexnord 5207J25A are tied by the published source at 25:1 · AGMA size 207.

Evidence boundary

Verify the installed unit against the source assumptions and current manufacturer ratings before purchase.

Published target specifications10 model-level fields

Falk / Rexnord5207J25AQuadrive

Other models in the same published row6

Replacement verification checklistBefore purchase

RatioConfirm nominal and actual ratio against required output speed.

Shaft / boreMeasure the driven shaft and verify bushing or bore configuration.

InputCheck high-speed shaft, motor frame, sheave and input interface.

MountingCompare center height, footprint, torque-arm geometry and housing clearances.

AccessoriesDo not assume existing backstops, motor mounts, belt guards or screw-conveyor hardware transfer.

DutyRecheck torque, service factor, shock, starts per hour, temperature and lubrication.