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HGH20CA Linear Guide Block 20mm Rail for CNC Router

Linear Guide
November 23, 2025
Category Connection: CNC Linear Guide
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Tags:
#CNC linear rail with warranty #CNC linear rail set with warranty #CNC linear guide rail 35mm high rigidity
Brief: Explore what sets this solution apart in an easy-to-follow presentation. This video provides a detailed walkthrough of the HGH20CA Linear Guide Block 20mm Rail for CNC Router, showcasing its high rigidity design and compatibility as a direct replacement for HIWIN HGH15CA series. You'll see the installation process, lubrication requirements, and performance specifications that make it ideal for 3D printers, light automation, and desktop CNC applications.
Related Product Features:
  • 100% interchangeable alternative to HIWIN HGH15CA with matching dimensions and load ratings.
  • 4-row circular arc design with 45° contact angle for equal load capacity in all four directions.
  • Manufactured from GCr15 Bearing Steel hardened to HRC 60-62 for superior wear resistance.
  • Basic dynamic load rating of 11.38 kN and static load rating of 16.97 kN for heavy-duty applications.
  • Available in multiple accuracy classes including C (Normal) and H (High) precision options.
  • Offers preload options Z0 (Light) for 3D printers and ZA (Medium) for small CNC routers.
  • Includes grease nipple for proper lubrication with lithium soap-based grease (NLGI No.2).
  • Vacuum sealed in anti-rust packaging with mounting bolts and installation guidance included.
Faqs:
  • Is this linear guide block compatible with HIWIN HGH15CA systems?
    Yes, this linear guide block is engineered as a 100% interchangeable alternative to the HIWIN HGH15CA, matching all original datasheet specifications for dimensions, load ratings, and performance characteristics.
  • What lubrication is required before using this linear guide block?
    The blocks are shipped with anti-rust oil only and must be greased before use. Use lithium soap-based grease (NLGI No.2) and fill approximately 1 cm³ per block until grease overflows slightly from the grease nipple.
  • What are the recommended applications for this linear guide system?
    This linear guide set is ideal for 3D printers, light automation systems, and desktop CNC routers, offering superior stability for compact X/Y axis builds with its 4-row circular arc design and heavy load capacity.
  • How should I properly install this linear guide block?
    Ensure the mounting surface is flat, press the block reference edge firmly against the mounting shoulder, and tighten the four M4 bolts diagonally in an X-pattern across 2-3 stages, avoiding fully tightening one bolt at a time.
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