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MKB Series

Compare MKB helical planetary gearbox sizes, ratio-dependent nominal torque and stage-specific weights. Find the matching catalog drawing and confirm the motor interface with Mach.

MKB Series gearbox
Series photograph · configuration may vary

MKB Series / Gearboxes

Start with the ratio and motor interface.

MKB is a helical planetary gearbox series with single- and double-stage configurations. Use the size comparison to narrow the range, then check the exact ratio, output shaft and motor connection.

Mach will confirm your ordering part number, price and availability.

01 / Family specifications

The details that matter.

Ratio and configuration

Helical planetary

MKB series

Select the gearbox size and ratio before completing the mounting code. A size code is not a complete ordering part number.

Catalog sizes
042 · 060 · 090 · 115 · 140 · 180 · 220
Catalog standard backlash
3 arc-min; confirm the selected configuration
Output shaft choices
K: keyed shaft · S: smooth shaft

Ratios are discrete catalog choices. Single stage: 3, 4, 5, 6, 7, 8, 9 or 10:1. Double stage: 15, 16, 20, 25, 28, 30, 35, 40, 45, 50, 60, 70, 80, 90 or 100:1. Confirm the complete configuration with Mach.

Compare MKB catalog sizes.

Use the nominal torque envelope, nominal input speed and stage-specific weight to narrow the size. Final selection requires the exact ratio row and motor interface.

Nominal torque across listed ratios · Single and double stage

Scroll across for all specifications →

MKB catalog size comparison: ratio-dependent nominal torque
Catalog model Nominal output torque rangeN·m, across listed ratiosNominal input speedrpm, maximum averageWeight: single stagekg, varies by modelWeight: double stagekg, varies by model
MKB-042View model6–940000.60.7
MKB-060View model18–2730001.41.6
MKB-090View model50–7530003.74.2
MKB-115View model120–180300088.9
MKB-140View model240–36020001617
MKB-180View model500–75015003637
MKB-220View model1000–150010005354

The torque ranges span the listed ratios and both stage counts; the upper value is not available at every ratio. Nominal torque uses the catalog nominal input speed and 20,000-hour service-life basis. Nominal input speed means maximum average input speed. Weights are catalog values and may vary slightly by model. Maximum starting/stopping and emergency-stop torque are separate catalog ratings.

02 / Drawing

A closer look.

Review the mounting, shaft and motor connection in the catalog. Open a model from the specifications for its details and dimensional drawing.

Open larger

03 / Downloads

Documents & references.

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