PMI MSA 20S Square Type Heavy Load Linear Motion Block
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ISO 1940 Grade G0.4Dynamic Balance Tested
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PMI MSA 20S LM Block | High-Precision Square Type Linear Carriage

Brand:PMI (Precision Motion Industries)
Model:MSA 20S
SKU:PMI-MSA20S
CategoryCNC Router Accessories
TypeLM Guideways
ModelMSA 20S
BrandPMI (Precision Motion Industries)
📞 Call Us: +91 960 111 1615 • Need custom mounting drawings or quantity discounts? Inquire above.
📅 Last updated: 14 May 2026

📑 Technical Specifications & Engineering Parameters

Specification ParameterEngineering Value
CategoryCNC Router Accessories
SubcategoryLM Guideways
BrandPMI (Precision Motion Industries)
Model / SKUMSA 20S
Model NumberMSA 20S
Block TypeSquare Type (Standard Width)
Nominal Width20 mm
Contact Angle45 Degrees
Accuracy GradeN (Normal) / H (High) Standard
Dynamic C19.2 kN
Static C029.5 kN
Weight0.30 kg
Height H30 mm
Width W44 mm
Length L72.9 mm
Mounting Bolt SizeM5 x 6 mm

⚡ Key Features & Engineering Advantages

  • Four-way equal load design (Radial, Reversed Radial, and Lateral)
  • High structural rigidity with balanced light or medium preload options
  • Self-alignment capability to absorb mounting surface deviations
  • Sub-micron positioning accuracy for high-repeatability tasks
  • Low frictional resistance for reduced power consumption and heat
  • Interchangeable design for easy rail-carriage matching and maintenance
  • Patent-designed lubrication route for even grease distribution

🏭 Recommended Applications & Uses

  • ⚙️Industrial CNC Router X, Y, and Z Axis Support
  • ⚙️NC Lathes and Heavy-Duty Milling Centers
  • ⚙️Precision Grinding Machine Head Feed Axes
  • ⚙️Automated Bridge Saws and Stone Processing Equipment
  • ⚙️Industrial Robotics and Pick-and-Place Systems
  • ⚙️High-Precision Measurement and Testing Stages
  • ⚙️Electronic and Semiconductor Manufacturing Equipment

📘 Product Overview

The PMI MSA 20S is a premier Square Type (MSA-S) linear motion block engineered for elite industrial performance. Designed with a four-row circular arc groove architecture at a 45° contact angle, this carriage sustains equal load capacities in radial, reversed radial, and lateral directions. This 4-way equal load design provides exceptional structural rigidity and allows for versatile installation in any orientation. The MSA series is celebrated for its self-aligning capability, which spontaneously compensates for minor mounting surface errors to ensure surgically precise and smooth motion. Manufactured to sub-micron positioning accuracies with a low friction coefficient (1/20th of conventional slide guides), the MSA 20S is the ideal choice for heavy-cutting machine tools, automated bridge saws, and high-precision CNC routers requiring 24/7 reliability.

❓ Frequently Asked Questions

What is the PMI MSA 20S LM Block | High-Precision Square Type Linear Carriage used for?

The PMI MSA 20S LM Block | High-Precision Square Type Linear Carriage is primarily used for Industrial CNC Router X, Y, and Z Axis Support; NC Lathes and Heavy-Duty Milling Centers; Precision Grinding Machine Head Feed Axes; Automated Bridge Saws and Stone Processing Equipment; Industrial Robotics and Pick-and-Place Systems; High-Precision Measurement and Testing Stages; Electronic and Semiconductor Manufacturing Equipment.

Which brand and technical parameters identify this component?

This component is officially identified by Brand: PMI (Precision Motion Industries), Model: MSA 20S, SKU: PMI-MSA20S.

What are the primary features of PMI MSA 20S LM Block | High-Precision Square Type Linear Carriage?

Key features include: Four-way equal load design (Radial, Reversed Radial, and Lateral); High structural rigidity with balanced light or medium preload options; Self-alignment capability to absorb mounting surface deviations; Sub-micron positioning accuracy for high-repeatability tasks; Low frictional resistance for reduced power consumption and heat; Interchangeable design for easy rail-carriage matching and maintenance; Patent-designed lubrication route for even grease distribution.

How do I order or request a quote for PMI MSA 20S LM Block | High-Precision Square Type Linear Carriage?

You can purchase directly online through our official shop, request an instant technical quotation on this page using the 'Request a Quote' button, or consult with our engineering sales specialists for custom technical specifications and bulk delivery.

Official Entity Statement: PMI MSA 20S LM Block | High-Precision Square Type Linear Carriage is manufactured and supplied by TriQuench India Pvt. Ltd., D-01, Sumel Business Park - 7, Rakhial, Ahmedabad, Gujarat 380023, India. Certified under ISO 1940 Grade G0.4 dynamic balancing with sub-3 micron runout precision. For technical questions or custom manufacturing, visit our Engineering Support Desk or Call Us: +91 960 111 1615.
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Trusted by machine builders, furniture plants, and die-makers across India. Fully compatible with standard Biesse, Homag, SCM, Apex Precision, and Jyoti CNC platforms.

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Grade G0.4 Dynamic Balancing

Every spindle is balanced to ISO 1940 Grade G0.4 with sub-3 micron runout accuracy. Manufactured under ISO 9001:2015 certified quality management systems.

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Express dispatch from our central facility in Ahmedabad. Shipped in reinforced heavy-duty wooden crates with vacuum barrier packaging for safe transit.

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TriQuench India Pvt. Ltd. is an engineering-driven industrial automation partner based in Ahmedabad, Gujarat, specializing in the design and distribution of high-reliability mechanical motion components. Our manufacturing protocols focus on achieving strict dynamic balancing thresholds and minimizing axis runout tolerances to support heavy-duty fabrication job shops and manufacturing plants.

By providing components built to resist high thermal expansion and withstand continuous load requirements, we help machinery builders achieve exceptional surface finish quality and geometric accuracy. We distribute our precision spindle assemblies, variable frequency drives, and optoelectronic laser spares across global engineering centers, ensuring robust machinery performance and long operational lifetimes.