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872BF/873BF cross-reference: M072(3)FRN, 07UCFN2(3)-N, EF60/ZF60/DF60, SK32(3)F-W | Replacement Intelligence

Manufacturer-published cross-reference

872BF/873BF

Boston Gear SMR cross-table row · Match installed ratio/application · AGMA unit size Boston 800 size 870 · Output flange mounted

PublisherBoston GearCheckedSep 21, 2026

Claim typePublished manufacturer cross-referenceRatioMatch installed ratio/applicationAGMA unit sizeBoston 800 size 870 · Output flange mountedOpen source table ↗

Models printed in this source row9

Publisher targetBoston Gear872BF/873BF

Published comparisonDavid BrownM072(3)FRN

Published comparisonFalk07UCFN2(3)-N

Published comparisonFlenderEF60/ZF60/DF60

Published comparisonNORD DRIVESYSTEMSSK32(3)F-W

Published comparisonSEW-EURODRIVERF70

Published comparisonSEW-EURODRIVERF73

Published comparisonSTOBERC402/3F-AW

Published comparisonSumitomoHF3140/45

What the evidence supportsClaim scope

Boston Gear publishes 872BF/873BF for 800 Series size 870 in the output flange mounted column of its in-line helical interchange guide. Boston states the 800 Series is designed to be functionally interchangeable with listed drives while requiring verification of ratings and dimensions.

This page does say

These model numbers appear together in the cited manufacturer-published cross-reference row.
Boston Gear identifies 872BF/873BF as the target model in that published row.
The source associates the row with Match installed ratio/application and AGMA unit size Boston 800 size 870 · Output flange mounted.

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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