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Home Product HSR20A/B/R Roller Linear Guide High Speed Precision Ball Screw for CNC Machinery
THK HSR20A/B/R

HSR20A/B/R Roller Linear Guide High Speed Precision Ball Screw for CNC Machinery

HSR20A linear guide
HSR20B rail system
HSR20R hardened rail
HSR20A/B/R
HSR20 series precision components: HSR20A linear guide for smooth motion control, HSR20B rail system ensuring stability, HSR20R hardened rail with superior durability for heavy-load applications.
Categories:Power Transmission
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Product Description

The HSR20A linear guide offers a high-precision motion solution with a compact design, capable of directly interfacing with modular automation components. The HSR20B rail system provides robust support for heavy-load applications, featuring seamless integration with up to 10 connected modules and compatibility with standard industrial communication protocols (e.g., RS-485). The HSR20R hardened rail excels in harsh environments, constructed from corrosion-resistant, hardened steel for extended durability. All variants operate within 24V DC ±10% and -20°C to 80°C, ideal for CNC machinery, robotics, and assembly lines. Key strengths include low friction, minimal maintenance, and ±5μm positioning accuracy, while limited customization options may pose constraints. Battery and display features are not applicable, as the systems focus purely on mechanical guidance. Detection range varies by installation, supporting sensor integration for precise alignment up to 500mm.
Parameter Specification
HSR20A linear guide type Precision monorail carriage
HSR20B rail system width 20mm standard profile
HSR20R hardened rail material Case-hardened steel (HRC 58-62)
Preload class P0/P1/P2 (selectable)
Nominal load capacity 16.5kN (C)
21.3kN (C0)
Accuracy grade Normal (N) / High (H)
Surface treatment Black oxide coating
Sealing type Triple labyrinth seals
Mounting hole spacing 80mm standard pattern
Temperature range -30°C to +100°C
Lubrication system Integrated grease nipple
HSR20B rail length options 500-4000mm (customizable)
Endurance life (L10) 50,000km (at 1kN load)
question:Does the company provide technical selection services?
answer:Yes, we offer technical selection services to help choose optimal solutions.
question:Why is a handling fee charged?
answer:Handling fees cover transaction processing and administrative costs for seamless operations.
question:What is the warranty?
answer:The warranty guarantees repair or replacement for defects within a specified period post-purchase.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Does the company provide technical selection services?
answer:Yes, we offer technical selection services to help choose optimal solutions.
question:Why is a handling fee charged?
answer:Handling fees cover transaction processing and administrative costs for seamless operations.
question:What is the warranty?
answer:The warranty guarantees repair or replacement for defects within a specified period post-purchase.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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