Source-backed model directory1,779 records
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Search verified gearbox, gearmotor, reducer, and drive records by model number or manufacturer. Each record links to its specifications, source, and any published replacement evidence.
Showing 937–972 of 1,779 records
Boston GearF718Bworm gear reducer cross-reference model · This exact Boston Gear F718B designation appears in Sterling Electric's Sterling Electric 2000RA Interchange Guide — Style AQ Reducers with published ratio guidance "Match installed ratio" and size / dimensional reference "1.75 in center distance". 1 published replacement relationship is available below. Verify shaft or bore details, mounting, torque, duty, accessories, and environment before substitution.
Status unknownOpen →
Boston GearF720Bworm gear reducer cross-reference model · This exact Boston Gear F720B designation appears in Sterling Electric's Sterling Electric 2000RA Interchange Guide — Style AQ Reducers with published ratio guidance "Match installed ratio" and size / dimensional reference "2.06 in center distance". 1 published replacement relationship is available below. Verify shaft or bore details, mounting, torque, duty, accessories, and environment before substitution.
Status unknownOpen →
Boston GearF721Standard 700 Series · Boston Gear P-8565-BG dimensional-interchange target for Solid output shaft — NEMA C flange reducer (quill input) at 2.06 in center distance. Ratio is selected separately within the 700 Series range.
currentOpen →
Boston GearF721-10-B5-GStandard 700 Series · Grainger-documented Boston Gear 700 Series C-face worm reducer with 10:1 ratio, 56C motor frame and 1-inch output shaft.
Status unknownOpen →
Boston GearF724Standard 700 Series · Boston Gear P-8565-BG dimensional-interchange target for Solid output shaft — NEMA C flange reducer (quill input) at 2.38 in center distance. Ratio is selected separately within the 700 Series range.
currentOpen →