Manufacturer-documented Boston Gear stainless 700 Series double-reduction reducer with 100:1 ratio, B5/56C input and 1-inch hollow output. Record source ↗
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 Boston Gear
1
GraingerGrainger lists current Boston Gear reducer configurations with model-level dimensional and performance fields.
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.