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Aurora Motors DIR725 Replacement | WorldWide Electric SMR7-25/1 | Replacement Intelligence

Manufacturer-published cross-reference

Aurora Motors DIR725 replacement

WorldWide Electric SMR7-25/1 appears in the same manufacturer-published cross-reference row as Aurora Motors DIR725 at 25:1 · AGMA size 315.

Published targetSMR7-25/1WorldWide Electric25:1

Evidence publisherWorldWide ElectricEvidence typePublished cross-referenceReviewedSep 21, 2026Open source ↗

Replacement referenceDirectional lookup

Existing / searched modelAurora MotorsDIR725

Published target modelWorldWide ElectricSMR7-25/1Open target specs →

What the source establishesPublished cross-reference

WorldWide Electric publishes this row in its SMR cross table, listing the WorldWide SMR model alongside competitor model numbers at the same published 25:1 cross-reference position. This preserves the manufacturer-published cross-reference claim without independently asserting that every listed competitor model is pairwise interchangeable.

Evidence meaning

The source and target appear in the same manufacturer-published cross-reference row.

Aurora Motors DIR725 and WorldWide Electric SMR7-25/1 are tied by the published source at 25:1 · AGMA size 315.

Evidence boundary

A cross-reference is a qualified replacement lead, not proof of a drop-in swap for every configured unit.

Published target specifications4 model-level fields

WorldWide ElectricSMR7-25/1SMR Series — The Original

Full model record →

Bore type: TaperedSource ↗
Maximum output bore: 3-15/16 inSource ↗
Nominal ratio: 25 :1Source ↗
Box size: 7Source ↗

Other models in the same published row8

Browning315SMTP25Same 25:1 published row →Cleveland GearCGSM7-25Same 25:1 published row →Dodge TXTTXT725TSame 25:1 published row →Falk5315J25Same 25:1 published row →Hub CityPT7315525Same 25:1 published row →LMIMSC0725Same 25:1 published row →Sumitomo Drive TechnologiesHSM315J-25Same 25:1 published row →VortexVXT725A XDSame 25:1 published row →

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.

Open SMR7-25/1 specifications Full published row Field checklist Source document ↗