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MSA-SB5 Belt Drive

The MSA-SB5 Belt Drive is a compact linear actuator designed for precise motion control in light-duty industrial automation and gantry applications. It features an extruded aluminum body with T-slots for flexible mounting and a zero-backlash belt-to-pulley system for smooth, accurate travel. The MSA-SB5 supports user-defined stroke lengths up to 5,610 mm, speeds up to 3,810 mm/s, and repeatability of ±0.05 mm. Corrosion-resistant components and optional washdown-duty or water-resistant configurations ensure reliable operation in demanding environments.

  • Single Axis Belt Drive.
  • User defined Strokes.
  • Mounting flexibility in any orientation.
  • Extruded aluminum actuator body with T-slots for ease of mounting.
  • Easy to adjust belt tensioner.
  • One piece machined and stress proof shafted pulley.
  • Zero backlash belt to pulley design.
  • Corrosion resistant components.
  • Washdown Duty or Water- Resistant Options upon request.

Product Notes

Each belt drive can be supplied with T-slot sensors, gearboxes, or motor mounting adaptors upon request. For travel requirements over standard values, contact Macron Dynamics for assistance.

Specifications

These are standard specifications, if you need a custom configuration, please use our custom configuration request form.

Specifications
Motion Horizontal, Vertical
Max Speed - Horizontal[Vertical] - mm/sec 10160[5080]
Max Force - Horizontal[Vertical] - lbf 1000[500]
Repeatability - mm +/- 0.025
Moment Load - in-lbs[Nm] N/A
Positional Accuracy - mm/meter +/- 0.4
Acceleration Max - Gs 20
Recommended Belt Running Load - lbf[N] 1150[5118]
Cart Guide None
Weight
System Weight - kg (Travel in meters x 5.5) + 6.7
Motor Sizing Information
Weight of Cart - lbs[kgs] n/a
Weight of Belt - kgs based on travel selected ((Travel in meters x 2)+ .74) x . 34
Travel per Revolution - mm 150
Pulley Pitch Diameter - mm 47.75
Pulley Material / Width - mm steel / 54
Breakaway Torque - oz-in 30 to 32
Coefficient of Friction 0.1
Travels (25mm increment)
Standard Travels - min to max 150 to 5725

Configure a Standard Model MSA-SB5 Belt Drive

Enter your configuration options to submit a Request for a Quote or a CAD drawing:

Shaft Type

Drive Shaft Location

Normal Drive shaft diagram

Travels (in 25mm increments)

Please Give Me Options For:

Part Number As Configured

MSA-SB5-G-BE-x0x-x

Gearbox: None
Motor Mount: None
T-Slot Sensor: None
Mounting Kit: None

User Guides

Gearbox Installation graphic
Gearbox Install

Download

User Guide Maintenance

Download

Videos

Replacement Parts

Pulley Assembly Kit | PAS – BES / PAI – BES

Fits actuators: MSA-SB5, MSA-BT5

  • Includes pulley, bearings, housing and mounting hardware fully assembled
  • Drive and idler pulley have unique part number. See datasheet for proper part number configuration and selection. PAI prefix indicates idler, PAS prefix indicates drive

Download Datasheet

Pulley Assembly Kit | PAS – BCS / PAI – BCS

Fits actuators: MSA-SB2, MSA-M6S, MDC-M6S, MSA-R6S, MSA-R6D, MSA-135, MSA-14S, MSA-14N, MSA-14D, MSA-14X, MSA-14L, R20, MAA-R6S MSA-BT2

  • Includes pulley, bearings, housing and mounting hardware fully assembled
  • Drive and idler pulley have unique part number. See datasheet for proper part number configuration and selection. PAI prefix indicates idler, PAS prefix indicates drive

Download Datasheet

Drive Belt Kit | DBK – EA – XX

Fits actuators: MSA-SB5, MSA-BT5

  • Includes belt and tension assembly with hardware. Tension tool sold separately.
  • Dash XX requires completion based on actuator size or special conditions. See datasheet for instructions.

Download Datasheet

Accessories

Item # 399-50, Tensioning Tool – 50mm Belts

Item # 397, Torque Wrench 25-250 lbs-in

MKL-100 – Actuator Mounting Kit (Standard Duty)

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Discuss Your Custom Application with One of Our Owners & engineers

Macron Dynamics specializes in designing and building virtually any configuration to meet your unique automation needs. Our innovative solutions enhance efficiency, optimize workspace utilization, and prioritize worker safety—reducing injuries while maximizing productivity.

We offer custom solutions for applications requiring from one to thousands of units. And units physically much smaller and larger than our standard models.