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Precise Linear Motion Block Solutions – 30% Cost Savings with German-Level Quality
Struggling with high prices for HIWIN or THK linear motion blocks? YIDI Motion delivers factory-direct pricing without compromising precision. Our blocks match DIN 655 standards, support OEM/ODM customization, and ship within 15 days.
Ideal for CNC machines, robotics, and automation systems where load capacity, rigidity, and smooth operation matter.
Get Your Free Sample in 48hCommon Challenges with Linear Motion Systems
Engineers and procurement managers face these critical pain points when sourcing linear motion blocks:
- Exorbitant Pricing: Paying 40-60% more for branded blocks (THK, HIWIN) with identical specifications to generic alternatives.
- Long Lead Times: Waiting 6-8 weeks for standard orders from European or Japanese suppliers, delaying production timelines.
- Compatibility Issues: Struggling to find blocks that fit existing linear rail systems (e.g., 15mm, 20mm, 25mm rails) without custom machining.
- Premature Wear: Low-quality blocks failing under heavy loads or high-speed operations, leading to downtime costs of $5,000+/day.
- Limited Customization: Suppliers refusing small-batch modifications for unique applications, forcing costly workarounds.
YIDI Motion addresses these issues with direct factory pricing, rapid prototyping, and DIN/ISO-compliant components.
YIDI Motion's Linear Motion Block Solutions
Our linear motion blocks are engineered for high-precision, heavy-duty applications, offering a cost-effective alternative to premium brands. With 100+ employees and German/Japanese machinery, we ensure ±0.005mm repeatability and 50,000+ hour lifespan under standard conditions.
Product Comparison: YIDI vs. Competitors
How we stack up against THK, HIWIN, and generic suppliers:
| Feature | YIDI Motion | THK (Japan) | HIWIN (Taiwan) | Generic China |
|---|---|---|---|---|
| Price (Per Block, 20mm Rail) | $25–$45 | $80–$120 | $60–$90 | $15–$30 |
| Lead Time (Standard) | 10–15 days | 4–6 weeks | 3–5 weeks | 20–30 days |
| Precision Grade | P1 (DIN 655) | P1–P0 | P1–P2 | P3–P5 |
| Load Capacity (Dynamic) | 800–2,500 N | 800–3,000 N | 700–2,200 N | 400–1,200 N |
| Customization | OEM/ODM Supported | Limited | Limited | None |
| Warranty | 2 Years | 1 Year | 1 Year | 6 Months |
Note: All specs are for standard ball-bearing linear motion blocks. Contact us for roller-type or self-lubricating variants.
Core Advantages of YIDI Linear Motion Blocks
- Cost Efficiency: Save 30–50% compared to THK/HIWIN with identical performance. Our China supply chain advantage passes savings to you.
- Precision Engineering: ±0.005mm positional accuracy, low friction (μ < 0.003), and high rigidity for vibration-free operations.
- Material Superiority: GCr15 bearing steel (60–62 HRC hardness) and Stainless 440C for corrosion resistance in harsh environments (IP65 rated).
- Customization Flexibility: Modify ball retainers, seals, or flanges for your application. Support for miniature (8mm rail) to heavy-duty (45mm rail) blocks.
- Global Compliance: ISO 9001:2015, RoHS, and REACH certified. CE/UKCA marking available upon request.
Technical Specifications
Below are the specifications for our standard ball-type linear motion blocks (compatible with HIWIN MGN/MGW and THK HSR series):
| Model | Rail Width (mm) | Dynamic Load (N) | Static Load (N) | Max Speed (m/s) | Preload Class | Weight (g/block) |
|---|---|---|---|---|---|---|
| YM-B15 | 15 | 800 | 1,200 | 5 | C0 (Light) | 120 |
| YM-B20 | 20 | 1,500 | 2,200 | 5 | C1 (Medium) | 250 |
| YM-B25 | 25 | 2,500 | 3,800 | 3 | C2 (Heavy) | 400 |
| YM-B30 | 30 | 3,500 | 5,000 | 2 | C2 | 600 |
| YM-B45 | 45 | 6,000 | 9,000 | 1.5 | C3 (Extra Heavy) | 1,200 |
Need a different size? We offer custom rail widths from 8mm to 60mm. Request a Quote
Application Scenarios
Our linear motion blocks are trusted in:
- CNC Machining Centers: Achieve ±0.01mm tolerance in milling, grinding, and laser cutting with our YM-B25 blocks.
- Industrial Robotics: Enable smooth, repeatable motion in pick-and-place robots (e.g., delta robots) with low-noise operation (<50 dB).
- 3D Printers: Miniature YM-B15 blocks for high-speed, high-precision layering (compatible with CoreXY systems).
- Semiconductor Equipment: Class 100 cleanroom-compatible blocks with self-lubricating options to avoid particle contamination.
- Packaging Machines: Heavy-duty YM-B45 blocks handle 50kg+ loads in high-speed packaging lines (100+ cycles/min).
Frequently Asked Questions
A: Yes! Our YM series blocks are designed to fit HIWIN MGN/MGW and THK HSR/SRS rails. We can also provide custom rail-block pairings for your existing systems.
A: Our MOQ is 10 blocks for standard models. For custom designs, the MOQ is 50 blocks. Contact us for sample orders (1–2 blocks for testing).
A: We use German ZEISS CMM for 100% inspection of critical dimensions. Our ISO 9001 processes include batch testing for load capacity, hardness, and surface finish.
A: Absolutely. Our YM-SL series features PTFE-coated or graphite-impregnated blocks for maintenance-free operation in dusty or wet environments.

A: 15–20 days for standard customizations (e.g., flange modifications). Complex designs (e.g., special ball retainers) may take 25–30 days.
A: Yes! We provide CAD drawings, 3D models (STEP/IGS), and installation guides. For large orders, we can arrange on-site technical support.
Customer Reviews
"Switched from HIWIN to YIDI for our linear motion blocks in a woodworking CNC. The YM-B25 blocks handled the same workload with no drop in accuracy. Saved us $12,000/year in parts costs!"
– CEO, Carter Woodworks (Canada)
"The lead time was impressive—received our order of 200 YM-B20 blocks in 12 days. Quality matched our expectations, though we had to adjust preload slightly for our application."
– Procurement Manager, Automatix SA (France)
"YIDI’s custom linear blocks solved our high-temperature issue (up to 200°C). The stainless steel version with special grease worked perfectly in our oven conveyor system."
– Engineering Lead, ThermalTech (UK)
Ready to Upgrade Your Linear Motion Systems?
Join 500+ global manufacturers who trust YIDI Motion for high-precision, cost-effective linear motion blocks.
Limited-Time Offer: Order before June 30, 2026, and get 10% off your first bulk order (50+ blocks).
Zero Risk: Free samples + 30-day money-back guarantee on standard models.
Request a Quote Call +86 18134111662
HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD.
Email: adam@yidimotion.com |
Address: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang, Hebei, China



Why Trust YIDI Motion
Exported to 50+ countries including Germany, USA, and Japan. Our linear motion blocks power equipment for:
Certifications & Compliance
Customer Testimonials
"YIDI’s YM-B20 blocks replaced our THK components in a CNC router, reducing costs by 42% with no loss in precision. Their 2-year warranty gave us confidence to switch."
— Mark Thompson, Operations Director at Precision Machining Inc. (USA)
"We needed custom linear blocks for a medical device prototype. YIDI delivered samples in 10 days—3x faster than our previous supplier in Switzerland."
— Dr. Elena Müller, R&D Lead at MedTech GmbH (Germany)