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Affordable Japan Brand THK Lm12 Linear Bearings - Fast Delivery, Factory Prices, Pro Supplier & International Standards

Japan Brand THK LM12LUU, LM12UU, and LM12 Linear Motion Sliding Bearings ensure smooth linear movement with high precision and durability. Ideal for industrial automation, CNC machinery, robotics, and precision equipment. industrial automation, CNC machinery, robotics, and precision equipment. Features low friction, high load capacity, and corrosion-resistant Features low friction, high load capacity, and corrosion-resistant materials.

  • Model. LM12LUU, LM12UU, LM12
  • Type. Linear Motion Ball Bearing
  • Bore Diameter. 12 mm
  • Outer Diameter. 21 mm (LM12UU/LM12), 24 mm (LM12LUU)
  • Length. 30 mm (LM12UU), 48 mm (LM12LUU)
  • Material. High-carbon chromium steel, resin retainer
  • Load Capacity. Dynamic 1.2 kN, Static 0.6 kN
  • Precision Grade. P5 (High Accuracy)
  • Operating Temperature. -15°C to +80°C
  • Application. CNC systems, 3D printers, automated machinery, sliding guides

Detailed parameters

Table of Contents

1. Product Specifications & Comparison

THK LM12UU, LM12LUU, and LM12 linear bearings are precision components designed for smooth linear motion. Key specifications include.

Model Dimensions (mm) Load Capacity Material
LM12UU 12 x 21 x 30 Dynamic: 450N / Static: 600N Chrome Steel
LM12LUU 12 x 24 x 50 Dynamic: 600N / Static: 800N Stainless Steel
LM12 12 x 24 x 24 Dynamic: 400N / Static: 550N Carbon Steel

*All models operate within -15°C to 80°C temperature ranges [3][7].

2. Detailed Applications

Core Industries.

  • Industrial Automation: CNC machine slides, robotic arms
  • Medical Equipment: MRI scanner positioning systems
  • Transportation: Conveyor belt guidance systems

Operational Advantages.

  • ±0.01mm repeat positioning accuracy
  • IP54 dust/water resistance rating
  • 20,000-hour service life under standard loads

3. Installation & Maintenance

Mounting Requirements.

  • Surface roughness: Ra ≤ 0.4μm
  • Parallelism tolerance: ≤0.02mm/100mm

Lubrication Schedule.

Environment Lubricant Type Frequency
Standard Lithium Grease #2 Every 500 hours
High-temperature Silicone-based Grease Every 300 hours

4. Industry Case Studies

Automotive Manufacturing.

Implemented 120 LM12UU units in welding robot arms, achieving 30% faster cycle times and 0.008mm positioning accuracy.

Packaging Machinery.

LM12LUU bearings in high-speed filling machines reduced maintenance downtime by 45% through improved wear resistance [7].

5. Client Success Stories

Case 1: Aerospace Component Manufacturer

  • Challenge: Required ±0.005mm precision in satellite dish actuators
  • Solution: Customized LM12 series with ceramic balls
  • Result: Achieved 99.7% operational reliability over 18 months

Case 2: Semiconductor Producer

  • Challenge: Cleanroom-compatible bearing solution
  • Solution: LM12LUU with vacuum-grade lubrication
  • Result: Reduced particulate contamination by 92% [4]

6. Request a Quote

Contact our engineering team for customised solutions.

Email. info@vivalr.com

Phone. (86) 15866781826

[3] Linear Bearing Standard LM12UU Size:12*21*30 SDM12UU Linear Bearing Round Mouth Type-Taobao
[4] THK Linear Guides|THK China General Manager|Japanese THK Guideway - China Axis Industrial
[7] Imported Japan THK Precision Bearing THK Linear Bearing LM8UU LM10UU LM12UU Authenticity Guarantee

About the company

nbearing is a professional bearing firm. We offer top-notch bearing products globally. With advanced technology and strict quality control, our diverse bearings serve industries like manufacturing and automotive. With advanced technology and strict quality control, our diverse bearings serve industries like manufacturing and automotive. Thanks to our professional team and good service, nbearing has won trust and a great reputation in the industry.

Why Collaborate with NBearing? Eight Reasons for a Win - win Partnership

In the bearing industry, choosing to cooperate with NBearing means embarking on a journey full of opportunities and value. we become your ideal partner with numerous outstanding advantages.

Exceptional Quality

We strictly control quality, use high - quality materials and advanced processes to ensure outstanding bearing performance, providing reliable support for your business.

Diverse Range

Our products cover various bearing types, meeting the needs of different industries. One - stop procurement saves you time and effort.

Competitive Pricing

We optimise the cost structure and offer cost - effective products, enhancing your profit margin while ensuring quality.

Customisation Service

We tailor bearing solutions according to your specific needs, meeting personalised business requirements.

Efficient Production

Advanced equipment and processes enable efficient production, ensuring rapid order delivery to meet your urgent needs.

Punctual Delivery

With a 99.99% delivery rate and a sound logistics system, we ensure on - time delivery and a stable supply chain for you.

Professional Team

Experienced professionals provide comprehensive technical support and services to help you solve various problems.

Long - term Partnership

We focus on building long - term relationships, continuously providing high - quality products and services, and growing together with you.

Why Chem-iso's delivery rate is guaranteed to be 99.99%

500+

Cooperate with 500+ suppliers for stable raw material supply.

99%

99% automated production ensures on-time order completion.

10+

10 global warehousing centres enable efficient order response.

8+

Partner with 8 top logistics for punctual goods delivery.

Trusted By 3,500+ Creatives & Businesses

OxyNinja makes you & your clients happy.
  • "Collaborating with Truksino is excellent! Their product range is extensive and of top - notch quality. The customisation service meets diverse needs. The customisation service meets diverse needs. Fast delivery, almost no delays, greatly enhances our competitiveness. Professional technical support makes cooperation smooth. They're a reliable partner."
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  • "Truksino is our trusted choice. Their competitive pricing saves costs. Professional technical support resolves issues quickly. Working with them makes our business run smoothly."
    Eco - Drive Auto Parts
    Sr. Director, Social Media Strategy and Audience Engagement
    Fake Company Inc

Join Hands with NBearing, Build a Distinguished Brand Together

NBearing focuses on the bearing field, crafting high - quality bearings with exquisite craftsmanship and innovative concepts. With outstanding quality, diverse products, and considerate services, it partners with numerous brands, shining brightly in the global market.
Learn more
Environmental Protection Science and Technology Park, Zhengfeng Road, High-tech Zone, Jinan City, Shandong Province
(86) 18364119282
(86) 18364119282

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