Ball Screw Supplier: Precision Linear Motion for Industrial Automation
YIDI Motion delivers high-load ball screws engineered for CNC machines, robotics, and heavy-duty actuators. OEM/ODM ready from our Hebei factory.
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Common Procurement Risks When Sourcing Ball Screws
Sourcing ball screws isn't just about price. I've seen purchasing managers chase the lowest quote only to end up with assemblies that bind under load or drift out of tolerance after a few months. Tolerance mismatches lead to vibration in high-speed CNC spindles. Preload inconsistencies? They chew through bearings faster than you'd think.
Lead times drag on with overseas suppliers who overpromise. One importer told me they waited 16 weeks for "stock" items that turned out to be custom runs. Then there's quality drift—early batches fine, later ones with surface defects that pit under lubrication cycles. We've audited enough competitor samples to know rolled vs. ground balls make a real difference in dynamic loads.
Custom OEM requests get mangled without clear drawing protocols. Metric vs. imperial threads, unsupported lengths over 3 meters—these trip up even seasoned buyers. And certifications? Missing RoHS or REACH compliance kills deals in Europe or the US.
Logistics bites hard too. Poor packing leads to dented shafts during container transit. We've had returns from US ports where balls scattered from inadequate seals. Procurement teams overlook these until the downtime hits.
Short story: Risk-averse buyers stick with proven suppliers. We hear it constantly—managers wanting traceability from steel billet to final grind.
YIDI Motion Ball Screw Solutions: Built for Reliability
At YIDI Motion, we cut through that noise. Our ball screws start with 100Cr6 chrome steel, precision-ground for C5 to C10 accuracy classes. Preloaded nuts with gothic arch grooves handle bidirectional loads without backlash. Standard diameters from 16mm to 80mm, lengths up to 6 meters supported.
We handle both rolled and fully ground options. Rolled for cost-sensitive automation arms, ground for precision 5-axis mills. Dynamic load ratings hit 50kN on our SFU1600 series—enough for heavy gantry robots. End wipers and seals keep contaminants out, extending cycles between relubes.
OEM customization is straightforward. Send us your STEP files; we'll quote nut profiles, ball diameters, and lead pitches within 24 hours. We've adapted for American Acme threads and Japanese JIS flanges without fuss.
What sets us apart? Integrated testing. Every assembly runs under 1000-hour endurance tests mimicking ISO 3408 conditions. Friction torque stays under 0.5Nm post-break-in. No guesswork—data sheets include real runout measurements.
Buyers appreciate the one-stop angle. Pair ball screws with our linear guides or ball splines for full-axis kits. Reduces supplier juggling and aligns tolerances out of the gate.
Practical note: For vertical apps like Z-axis lifts, opt for our double-nut preloads. They self-adjust for thermal expansion, avoiding the sag you get with fixed setups.
We've shipped to over 50 countries since 2020, from German automation firms to US CNC rebuilders. Email adam@yidimotion.com for a sample calc on your load case.
Our Hebei Factory: 100+ Staff, German/Japanese Tech
HEBEI YIDI IMPORT AND EXPORT TRADING CO., LTD. runs a tight operation in Shijiazhuang. 100 employees, 30% senior techs. We pulled in grinders from DMG Mori and Okuma, honing shafts to 0.005mm straightness.
Production flow: Steel bars normalized, rough-turned, heat-treated to 58-62 HRC. Then multi-pass grinding with diamond wheels. Balls sourced from SKF-grade suppliers, dia-sorted to 0.5 micron. Assembly in clean rooms, laser-measured for lead error.
Capacity? 5000m ball screw per month. No backlogs—we stock common SFU/BK/BF configs. For ODM, our CAD team iterates prototypes in 10 days.
Certifications: ISO 9001:2015, CE marked, RoHS compliant. Test reports stamped per batch. Exports hit Germany, USA, Canada, France, Japan—FCA terms standard.
Addr: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang City, Hebei Province, China. Phone: +86 18134111662.
- Equipment Highlights: CNC thread grinders (Japan), ball sorting spectrometers (Germany).
- QA: 100% lead inspection, random preload torque checks.
- Scalability: Bulk orders? We optimize container loads for 20% more per 40' HC.
Ball Screw Technical Specifications
Here's a snapshot of our core lineup. All with C7 accuracy standard, optional C5.
| Model | Dia x Lead (mm) | Dyn Load (kN) | Max Length (m) | Weight (kg/m) |
|---|---|---|---|---|
| SFU1204 | 12x4 | 12.5 | 3.0 | 1.2 |
| SFU1605 | 16x5 | 18.5 | 4.0 | 2.1 |
| SFU2005 | 20x5 | 25.3 | 4.5 | 3.0 |
| SFU2510 | 25x10 | 35.0 | 5.0 | 4.5 |
| SFU3210 | 32x10 | 50.2 | 6.0 | 7.2 |
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Custom specs available. Request full catalog with preload options.
Real-World Applications Across Industries
CNC machining centers: Our C5 ground screws handle 10g accel in 3-axis mills without whip. Robotics: SCARA arms with 5mm leads for fast pick-place.
Semiconductor equip: Clean-room compatible with PTFE wipers. Medical devices: Low-friction for surgical robots. Even solar trackers—long unsupported spans with minimal deflection.
One ops manager swapped us in for a faltering Italian supplier on their injection molders. Backlash dropped, cycle times improved noticeably.
- High-Speed: Leads 5-20mm, up to 120m/min.
- Heavy Load: Double nuts for presses.
- Precision: Dia. 50mm+ for metrology.
Global Shipping & Lead Times
EXW Shijiazhuang or FOB Tianjin. Air for prototypes (DHL 3-5 days to LAX). Sea for volume—20' container holds 2000m mixed sizes. Duty-paid to US via partners.
Packing: Shafts in foam sleeves, nuts oiled in boxes. Vibration-tested crates. Lead times: Stock 2 weeks, custom 4-6 weeks. Track via our portal.
Warning: Avoid LCL for long screws—risk of bending. We advise FCL mins.
Frequently Asked Questions from Buyers
What's the difference between rolled and ground ball screws?
Rolled are economical for general motion (C10 acc.), ground hit C3-C5 for ultra-precision. We do both.
Can you do custom lengths over 4m?
Yes, up to 6m with support units. We calculate critical speed to avoid resonance.
OEM minimum order?
100m or 50 assemblies. Samples available at 1:1 cost.
Lubrication recommendations?
Grease every 100km travel or lithium-based for high-speed.
Warranty?
12 months or 3000km, whichever first. Defective? We replace freight-paid.
What Buyers Are Saying
John Ramirez, Procurement Mgr, Texas CNC Shop: "Switched to YIDI after delays from Taiwan. Screws arrived perfect, preload spot-on. Cut our setup time in half."
Emma Klaus, Ops Director, Ontario Robotics: "Custom 40mm lead for our welders. Tolerance held through 5000 hours. Logistics smooth to Toronto."
Mike Chen, Supply Chain, California Automation: "OEM run of 200 units. Quality beat THK samples, price 25% less. Will repeat."
Sarah Leclerc, Engineer, French Importer: "CE certs helped customs. Ground screws whisper-quiet in our lathes."
Ready to Source Reliable Ball Screws?
Talk specs with our team. Free load calc or sample policy.
Or visit contact page.
About the Author: Adam Li, Export Director at YIDI Motion. 12 years in linear motion sales, ex-Hiwin tech. (Avatar: author/3.png)
Ball Screw Supplier | OEM Precision Ground Ball Screws - YIDI Motion
Meta Description: Trusted ball screw supplier from China. High-load, C5 accuracy for CNC & robotics. OEM/ODM, fast shipping to USA. Factory direct pricing, ISO certified.
