Meta Description: Expert ball screw manufacturing for CNC, robotics, automation. Custom ground & rolled ball screws, OEM/ODM from China factory. ISO certified, fast lead times, global export. Request specs & quotes.
Precision Ball Screw Manufacturing for Demanding Linear Motion Applications
YIDI Motion delivers high-load, low-friction ball screws built in our Hebei factory. OEM custom diameters from 6mm to 80mm. Proven in CNC mills, robot arms, and semiconductor equipment worldwide.
Table of Contents
Why Ball Screw Procurement Often Goes Wrong – And How to Avoid It
Sourcing ball screws isn't just about picking the cheapest quote. I've seen purchasing managers in the US and Europe chase low upfront costs, only to face downtime when screws whip under load or preload drifts after a few thousand cycles.
Common pitfalls hit hard. Lead time overruns from overseas factories that promise 4 weeks but deliver in 12. Quality fade on high-volume runs where tolerances slip from C5 to C10 without notice. Or mismatched end machining that forces costly reworks on your assembly line.
Take a recent case. A CNC machine builder in Ohio ordered miniature ball screws for 3-axis routers. Supplier cut corners on nut recirculation – balls jammed at speed, scrapping an entire batch. Total loss: $45k plus three weeks delay.
- Preload instability: Cheap nuts lose axial stiffness over time, causing backlash in precision apps.
- Material inconsistencies: Off-spec SCM440 steel leads to fatigue cracks under dynamic loads.
- Logistics surprises: Unexpected duties or container delays stranding inventory at ports.
- No backup stock: Single-supplier risk when demand spikes for automation upgrades.
Procurement teams tell me they waste 20-30% more on fixes than planned savings. Smart buyers shift to vetted partners with proven traceability.
"Switched suppliers after preload issues on our gantry systems. YIDI's ground screws held C3 accuracy through 10,000 hours. No regrets." – Operations Mgr, Midwest CNC Shop
Tailored Ball Screw Solutions from YIDI Motion
Our ball screws start with premium rod stock – typically SCM440 or CF53, heat-treated to 58-62 HRC for core toughness. We offer rolled for cost-sensitive high-volume, precision ground for sub-micron needs. Nuts in SFU or high-load flanged designs, with options for preloaded double-nut setups to kill backlash.
Diameters span 8-63mm standard, custom up to 80mm. Leads from 2mm pitch for fine control to 20mm for rapid traverse. Lengths cut to your spec, ends machined to DIN or custom flanges. Efficiency hits 90-95% typical, dropping friction losses versus Acme screws by half.
What sets us apart? Integrated design service. Send your CAD, we model the full axis including supports and wipers. Prototypes ship in 7-10 days. Full runs scale to 5,000 units/month without quality dip.
Key Advantages Buyers Stick With:
- C3-C10 accuracy grades, dynamic load up to 500kN.
- Corrosion options: phosphate or full stainless for washdown.
- OEM branding etched on nuts, no minimums.
- Traceable batch codes from grind to pack.
- Life calc tools online – input your load, get MTBF estimate.
One importer noted their repeat orders jumped after we fixed a vibration issue on their pick-and-place arms. Simple nut redesign, 40% quieter run.
Need a quick audit of your current setup? Drop specs, we'll benchmark against our line.
Send Your DrawingsInside YIDI's Ball Screw Factory – 100% Vertically Integrated
HEBEI YIDI IMPORT AND EXPORT TRADING CO., LTD., doing business as YIDI Motion, kicked off in 2020 with a single mandate: nail linear motion components. Today, 100 staff strong in Shijiazhuang, Hebei. Over 30% senior techs from state-owned machine tool plants.
We pulled in German DMG Mori grinders and Japanese Okuma lathes. That means mirror finishes on races without chatter marks. Full CNC for thread rolling, heat induction in-house to spec hardness gradients. No outsourcing – from bar to box under one roof.
Exports hit 50+ countries: US machine rebuilders, German automation firms, Japanese servo integrators. Annual output? Ball screws alone top 50,000 units, paired with linear guides and actuators for turnkey kits.
Precision Grinding Cells
Nut Assembly Lines
Quality Lab
Capacity scales. Small runs for prototypes? No problem. Bulk for your distributor network? We front-load containers direct to Long Beach or Rotterdam.
Ball Screw Technical Specifications
Standard ranges cover most needs, but we tweak for yours. Here's a snapshot of popular configs.
| Diameter (mm) | Lead (mm) | Accuracy | Dyn. Load (kN) | Max Length (mm) |
|---|---|---|---|---|
| 16 | 5 / 10 | C5 / C7 | 18.5 | 3000 |
| 25 | 5 / 10 / 20 | C3 / C5 | 31.8 | 4000 |
| 32 | 10 / 20 | C5 / C7 | 48.1 | 5000 |
| 50 | 10 / 20 | C7 | 119 | 6000 |
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Full catalog? Includes ball spline, linear modules too. Custom pitches? We roll them fresh.
Where Our Ball Screws Excel
CNC routers and mills – rapid feeds without heat buildup. Robotic arms handling 50kg payloads. Semiconductor wafer stages needing micron repeatability. Even medical imaging tables for smooth, silent travel.

In automotive presses, they outlast belts by 5x. For 3D printers, miniature versions cut Z-axis inertia. Harsh environments? Sealed nuts with scrapers shrug off chips and coolant.
- High-speed: Up to 100m/min with cooled nuts.
- Vertical lifts: Anti-backdrive nuts hold loads indefinitely.
- Multi-axis: Matched sets for gantry squareness.
Practical Installation and Maintenance Tips
Mounting matters. Align screw to 0.01mm/300mm or whip kills life. Use fixed-floating supports for long spans – fixed at drive end, simple at far. Torque nuts per our chart; overdo it and you crush balls.
Lube right: Grease every 50-100 hours run time, or go oil bath for continuous duty. Check preload yearly – play signals nut wear. Wipers self-clean, but inspect in dusty shops.
Pro tip: On retrofits, measure old screw deflection under load before sizing new. Oversize by 20% and regret the inertia later.
Shipping and Lead Times Worldwide
From Hebei to your door: 20-35 days sea to US West Coast, DDP options clear customs. Air for urgents – 7-10 days. Pack in foam-lined crates, 1-2 tons per 20ft container.
MOQ flexible: 5 units prototype, 50+ for best rates. Stock diameters ship 3-5 days. Track via our portal.
Contact: +86 18134111662 | adam@yidimotion.com | 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang, Hebei, China
Certifications That Matter
ISO 9001
CE Marked
RoHS Compliant
What Buyers Say
"Ground 25mm screws arrived pre-aligned perfectly. Cut our setup time in half. Lead time beat quote by a week."
– Mike R., Procurement, Texas Automation Firm"OEM run of 200 flanged nuts. Zero rejects, full batch certs included. Better value than THK reps."
– Sarah L., Ops Director, Ontario CNC Builder"Custom ends for our Z-theta stage. Engineer Adam sorted tolerances fast. Smooth sea freight to Felixstowe."
– Raj P., Engineer, UK Robotics IntegratorFrequently Asked Questions
Q: What's the difference between rolled and ground ball screws?
A: Rolled suit high-volume, moderate precision (C7+). Ground for tight apps like optics – C3 possible, smoother race, higher load per size.
Q: Can you do small quantities?
A: Yes, 1-10 units for testing. Scales economically from there.
Q: Lead times to USA?
A: Stock 3-7 days air. Custom 20-30 days sea, express options faster.
Q: OEM/ODM support?
A: Full – your logo, packaging, even private specs. We handle from design to drop-ship.
Ready to Source Reliable Ball Screws?
No risk trial orders. Direct factory pricing. Global delivery.
Written by Adam Li, Export Director at YIDI Motion
15+ years in linear motion exports. Previously with a Tianjin bearing giant, now driving YIDI's global push. Focus: Helping US/EU buyers cut sourcing risks.
HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD. | 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang City, Hebei Province, China | Contact Us


