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Falk / Rexnord 5307J25A replacement & specifications | Replacement Intelligence

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Falk / Rexnord

5307J25A

current

Falk-published Quadrive 5000-series interchange selection, AGMA size 307, nominal 25:1 ratio, maximum bore 3 7/16 in; Table 1 example duty 15 hp / 20 rpm at 1.0 service factor. Record source ↗

Source-backed record · Last reviewed Sep 21, 2026Compare this model →Verification methodology →

Specifications

Known configuration

5 fields

AGMA size: 307Source ↗
Maximum bushing / bore: 3 7/16 inSource ↗
Nominal ratio: 25 :1Source ↗
Published service factor: 1.0Source ↗
Published Table 1 duty example: 15 hp / 20 rpmSource ↗

Cross-reference

Replacement candidates

No verified one-to-one replacement relationship yet.

Manufacturer transition notices are kept separate from exact compatibility so a group-level product transition is never presented as a drop-in replacement.

Interchange check

What must match before substitution

6 checks

Ratio / speedConfirm the replacement produces the required output speed at the actual input speed.

Torque / dutyVerify continuous and peak torque, service factor, shock loading, starts per hour, and thermal duty.

Output geometryMatch shaft or bore diameter, key/spline/bushing, output side, usable length, and allowable overhung/thrust loads.

MountingCheck foot pattern, flange pilot/bolt circle, center height, torque arm, and mounting position.

Input / motorConfirm motor frame, adapter, input shaft or quill, power, brake, encoder, voltage, and frequency.

EnvironmentVerify lubricant, washdown/corrosion requirements, temperature, ingress protection, and hazardous-area needs.

Sourcing

Verified channels listing Falk / Rexnord

MotionMotion lists configured Falk Quadrive shaft-mount reducers with reducer size, ratio, shaft, bushing and dimensional specifications.

Coverage evidence ↗

Applied Industrial TechnologiesApplied lists configured Falk Quadrive reducers and bushing/accessory products with model-level specifications.

Coverage evidence ↗

Coverage means we verified a current merchant listing or catalog reference for the brand. Confirm stock, lead time, authorization status, and the exact configuration directly with the supplier.