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28JMS40K 71:1

Precision Planetary Gearbox for Stepper Motors · Spur gear

Product Details

Order No.2820071
Outer Diameter28 mm
Reduction Ratio71:1
Absolute Reduction Ratio226233/3179
Number of Stages3
Rated Output Torque4 N·m
Max. Momentary Torque12 N·m
Efficiency73%
Backlash1.5°
Length43 mm
Weight119 g
Direction of RotationSame direction as motor
ERP Item Code28JMS40K-R71.1648-S3
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Drawings & Photos

28JMS40K Product photo
Product photoclick to enlarge
28JMS40K Dimension drawing
Dimension drawingclick to enlarge
28JMS40K Assembly drawing
Assembly drawingclick to enlarge

General specifications and motor shaft pinion are model-level (shared by all ratios of this model). View Model Hub →

Other Ratios in This Model

63/17 57/11 3969/289 3591/187 3249/121 1539/44 250047/4913 226233/3179 204687/2057 185193/1331

Full ratio comparison (torque, efficiency, backlash, length, weight) is on the View Model Hub →