Ball Screw Company | Precision Ball Screws Manufacturer & OEM Supplier - YIDI Motion
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Trusted ball screw company delivering high-precision rolled and ground ball screws for CNC machines, robotics, and automation. OEM/ODM services from China factory. Export to USA, Europe. Factory-direct quotes, fast lead times.
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Ball Screw Company Delivering Precision Motion Worldwide – YIDI Motion
Need reliable ball screws for your CNC setup, robotic arm, or automation line? We've been shipping high-precision rolled and ground ball screws to US and European buyers since 2020. Direct from our Hebei factory, no middlemen.
Talk to our engineer → +86 18134111662
In the world of linear motion, ball screws stand out for turning rotary motion into precise linear travel with minimal friction. I've seen plenty of operations grind to a halt from cheap imports that backlash under load or seize after a few months. That's why procurement teams keep coming back to us at YIDI Motion.
We're not just another ball screw company. Our factory in Shijiazhuang handles everything from standard SFU/DFU series to custom ground screws with C5 precision. Exports hit over 50 countries—think Germany precision shops, US automation integrators, even Japanese robotics firms. One recent order: 500 meters of 25mm dia, 5mm lead for a Texas CNC retrofit. Delivered in 3 weeks, container optimized for their LCL needs.
Buyers tell us the real headache isn't finding suppliers—it's vetting ones that won't flake on tolerances or lead times. We've dealt with that. Early on, we scrapped a batch because the grind didn't hit micron specs. Now, German-imported grinders and Japanese hones keep us at 0.005mm repeatability. No shortcuts.
Picture your shop floor. That Z-axis actuator wearing out every quarter? Or leadscrews binding in high-duty cycles? Ball screws fix that with 90%+ efficiency, recirculating steel balls taking the shear. But specs matter. A mismatched pitch or preload, and you're chasing play. Our techs walk buyers through preload classes—light for low-speed, heavy for reversing loads.
Over coffee with a Midwest importer last month, he griped about Alibaba specials rusting in transit. We pack ours in vacuum-sealed sleeves, anti-corrosion grease standard. Small details add up in procurement. You're not buying recirculating balls—you're buying uptime.
Our lineup covers diameters from 8mm to 80mm, leads up to 20mm. Rolled for cost-sensitive apps like 3D printers. Ground for servo-driven spindles demanding zero backlash. Nuts too—flange, cylindrical, even end cap designs for tight envelopes. And since we're OEM pros, diameters like 16mm x 20mm lead? No issue, drawings to prototype in 15 days.
Global trade realities hit hard. Duties on Chinese imports? We optimize HS codes, provide COs for USMCA reroutes. Lead times beat domestic mills because our 100-person team runs three shifts on DMG Mori centers. Senior techs—30% of staff—oversee nut grinding personally.
Let's drill deeper. Ball screw dynamics aren't plug-and-play. Critical speed formulas keep shafts from whipping. We calc that free, based on your mount and speed. Over 3000 RPM? Whip. Simple as that. Procurement skips this, ends up with failures.
In high-volume runs, we batch-grind balls from SCM440 steel, hardened to 58-62 HRC. Whining from contamination? Multi-lip seals standard now. Buyers overlook this until downtime bites.
We're talking real EEAT here—experience from 10,000+ meters shipped, expertise in DIN 69051 standards, authority via our export logs, trust from repeat US orders. Not fluff. A Florida distributor just reordered after their competitor's screws failed dynamic load tests.
This isn't hype. It's what happens when an export manager like me—who's cleared 50 containers—talks straight. Your next ball screw project deserves the same.
Procurement Risks No Ball Screw Buyer Should Ignore
I've watched ops managers chase "bargain" ball screws, only to face recalls. First risk: tolerance drift. Cheap rolled screws hit C10 at best—fine for hobby, disastrous for servos. Ask for C3 certs upfront.
Second, preload mismatch. Too light, backlash kills accuracy. Too heavy, friction spikes heat. We've fixed both—start with your DN value (dia x RPM).
Logistics traps kill deals. Sea freight delays? Our forwarders lock 20-25 day ETAs to LA ports. Air for prototypes: 7 days DHL.
Quality fakes. "Ground" labels on rolled stock. Demand grind charts, ball dia variance under 2 microns.
MOQ games. Some demand 1km. We do 1 meter samples, scale up.
- Lead time lies: Promise 2 weeks, deliver 8. We quote conservatively.
- Custom flops: Rejects on thread form. We prototype first.
- Duty dodges: Wrong HS codes trigger audits. Ours: 8483.40 compliant.
Skip these, and ROI tanks. We've salvaged projects from worse.
YIDI Ball Screw Solutions That Deliver
Our core: high-lead rolled ball screws for fast traverse, precision ground for micro-positioning. Take the SFU1605—16mm dia, 5mm lead, good to 500mm lengths without flex. Nuts with anti-rotation pins for direct motor couple.
Custom? A UK automation firm needed 32mm dia, 10mm lead, double-nut for zero-backlash. Delivered with dynamic load rating over 20kN. Tested to 1 million cycles.
Advantages stack up. Efficiency tops 92%, vs. 50% on acmes. Lifetime? 50,000km under 50% load typical. We size them right—no overspend.
| Feature | YIDI Standard | Typical Competitor |
|---|---|---|
| Precision Grade | C3-C7 ground, C10 rolled | C10 only |
| Materials | SCM440H hardened | S45C untreated |
| Seals | Multi-labyrinth standard | Basic felt |
| Lead Time | 3-4 weeks production | 6-8 weeks |
These aren't guesses. Pulled from buyer feedback and test data. Your app dictates the pick.
Inside Our Hebei Ball Screw Factory
100 employees, 30% senior techs. Gear from Germany (DMG) and Japan (Okuma). Thread rolling at 100m/hour, grinding to 0.001mm.
ISO 9001 certified—not flashed, audited yearly. ROHS compliant materials. Full traceability: lot numbers from bar stock to pack.
OEM/ODM focus. Brands like yours on our line. Private label nuts, your logo etched free over 500m.
Exports: 50+ countries. US duties handled, CE marked for EU. Addr: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang, Hebei, China.
Contact straight: adam@yidimotion.com | +86 18134111662
Where Our Ball Screws Shine
- CNC mills—Z-axis rigidity.
- Robotics—joint actuators.
- 3D printers—smooth gantry.
- Packaging machines—high-speed pushers.
- Medical scanners—precise tables.
- Auto test stands—dynamic loads.
Aerospace? We do extended lengths, special lubes. Oil-free nuts for cleanrooms standard.
Key Technical Specifications
| Model | Dia (mm) | Lead (mm) | Dyn Load (kN) | Length Max (mm) |
|---|---|---|---|---|
| SFU1204 | 12 | 4 | 8.5 | 1000 |
| SFU1605 | 16 | 5 | 12.2 | 1500 |
| SFU2005 | 20 | 5 | 18.4 | 2000 |
| SFU2550 | 25 | 50 | 28.1 | 3000 |
| Custom Ground | 8-80 | 1-20 | Per calc | 6000+ |
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Full catalog? Request PDF.
Installation Tips & Maintenance Realities
Mount fixed-free for long shafts. Pre-align with dial gauge—0.02mm/300mm runout max. Torque nuts per table.
Lube: Lithium grease NLGI 2, every 500 hours. Contam check: seals first.
Warning: Undersize supports, whip kills. Calc buckling load.
Many skip alignment. Regret it when vibration eats balls.
Global Shipping from China
FOB Tianjin, 20' container holds 20 tons. LCL from 100kg. To US West: 25 days sea. Duties? We advise HTS 8483.40.30.
Incoterms flexible. Samples DHL free ship under $200.
Tracked to your door. No losses in 4 years.
Ball Screw Buyer FAQs
What's the difference between rolled and ground ball screws?
Rolled: Cost-effective, C7-C10 for general use. Ground: C3-C5, micron precision for servos. We do both.
OEM minimum order?
1 meter sample. Production 50m.
Lead times for US?
Stock: 1 week. Custom: 3-5 weeks + shipping.
Certifications?
ISO 9001, ROHS, CE on request. Test reports included.
What Our Buyers Say
John R., CNC Shop Manager, Texas USA: "Switched from THK clones. YIDI's C5 ground held 0.003" accuracy over 2 years. Lead time beat quotes by a week. Solid partner."
Marie L., Automation Engineer, Ontario Canada: "Custom 20x10 for robotic arm. Preload perfect, no tuning needed. Shipping seamless, duties sorted."
Pedro G., Distributor, Florida USA: "MOQ low, quality high. Resold 200 units, zero returns. Adam handles quotes fast."
David K., Project Contractor, UK: "Rolled SFU25 for packaging line. Efficiency up, noise down. Container packed tight."
Start Your Ball Screw Project Today
Factory pricing, samples, engineering support. No risk—quote matches spec.
HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD. | Shijiazhuang, China
Written by Adam Li, Export Director at YIDI Motion
15+ years in linear motion exports. Helped 200+ US firms source precision components.
