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Linear Slide Bearing LM12LUU-4PCS HGH25CA QHH20CA THK
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Linear Slide Bearing LM12LUU-4PCS HGH25CA QHH20CA THK in Lahore Pakistan
Here’s an illustrative image showcasing linear slide bearings and guide blocks, such as the LM12LUU and HGH25CA/QHH20CA, to help you visualize their appearance and form.
Product Overview & Specifications
1. LM12LUU – Linear Ball Bearing (4 pcs)
These are long-type, sealed linear ball bearings designed for smooth motion along a 12 mm shaft.
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Dimensions:
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Inner (bore) diameter: 12 mm
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Outer diameter: 21 mm
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Overall length: 57 mm bearingsize.infoMISUMI
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Load Ratings:
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Dynamic load: ~657 N
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Static load: ~1200 N MISUMIROAs International Inc.diyelectronics.co.za
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Features:
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Steel construction with double-end seals (UU) for dust protection MISUMIROAs International Inc.
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Compact and precise for applications like CNC and 3D printers diyelectronics.co.za
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2. HGH25CA and QHH20CA – Linear Guide Blocks (THK/HIWIN series)
These are high-rigidity guide blocks used with linear rail systems, ideal for precision and high-load applications.
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HGH Series (e.g., HGH25CA):
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Designed for smooth, multi-directional load support via four ball circuits arranged at 45° thk-iko-whcd.com
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QH Series (e.g., QHH20CA):
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SynchMotion™ technology ensures controlled ball movement—boosting synchronization, travel speed, lubrication intervals, and minimizing noise thk-iko-whcd.com
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Dimensionally compatible with HG rails, facilitating simple interchangeability thk-iko-whcd.com
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Example Dimensions:
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HGH20CA / QHH20CA: Height 30 mm, width 44 mm, block length 50.5 mm thk-iko-whcd.com
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HGH25CA / QHH25CA: Height 40 mm, width 48 mm, block length 58 mm thk-iko-whcd.com
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How to Use & Applications
LM12LUU Bearings
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Installation: Slide onto a 12 mm ground shaft and incorporate into linear motion assemblies (e.g., carriages on CNC x/y stages).
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Lubrication & Maintenance: Use light machine oil or white lithium grease; avoid thick high-temp greases or dry lubricants, which impede ball rotation diyelectronics.co.za.
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Use Cases: Ideal for DIY CNC builds, camera dollies, gantry systems—where smooth travel and rigidity are critical diyelectronics.co.za.
HGH/QHH Linear Guide Blocks
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Assembly: Mount the block on compatible guide rails (HGR for example). Secure using proper bolts and ensure alignment for smooth motion.
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Operation:
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HGH blocks provide consistent, multi-directional load handling.
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QHH blocks enhance performance in dynamic systems through synchronized ball circulation and improved lubrication behavior.
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Applications: Widely used in CNC machines, industrial automation, measuring instruments, and other precision motion systems.
Product Summary
| Component | Model(s) | Key Specs | Highlights |
|---|---|---|---|
| Linear Bearings | LM12LUU (×4 pcs) | 12 mm ID × 21 mm OD × 57 mm length Dyn: 657 N, Stat: 1200 N |
Low friction, sealed, for precise linear motion |
| Guide Blocks | HGH25CA, QHH20CA | HGH20CA: ~30×44×50 mm HGH25CA: ~40×48×58 mm |
High rigidity; QHH adds SynchMotion™ technology |
Website Copy Ideas
Product Titles
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Precision LM12LUU Linear Ball Bearings (Set of 4) — 12 mm Shaft
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THK/HIWIN HGH25CA & QHH20CA Linear Guide Blocks — High Rigidity & Smooth Motion
Short Descriptions
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“LM12LUU bearings provide low-friction travel for 12 mm shafts—perfect for CNC, 3D printers, and automated carriages.”
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“HGH25CA and QHH20CA linear guide blocks offer robust, multi-directional rigidity; QHH adds SynchMotion™ for quiet, precise movement in high-demand systems.”
Feature Highlights
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LM12LUU Bearings
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Durable steel design with sealing (UU)
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High dynamic (657 N) and static (1200 N) load capacities
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Compact form factor (57 mm) for diverse DIY and industrial uses
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HGH/QHH Guide Blocks
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Four-ball track design for even load distribution
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SynchMotion™ tech in QHH for enhanced performance
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Direct interchangeability with standard HG rails
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Available in multiple sizes (20CA, 25CA, etc.) to suit application needs
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Usage Guidance
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LM12LUU: Apply light lubrication regularly, avoid incompatible greases, install on precision shafts for accurate travel.
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HGH/QHH Blocks: Use with matched rails and maintain alignment; choose QHH for high-speed, noiseless applications requiring synchronization.





