Precision Ball Screws | OEM Manufacturer & Global Exporter | YIDI Motion
Ball Screw Manufacturers | Precision Ball Screws OEM Supplier China | YIDI Motion
Meta Description: Reliable ball screw supplier for CNC, robotics & automation. Custom OEM/ODM, ISO certified, fast global shipping. Get specs, pricing & samples from Hebei YIDI factory today.
Procuring ball screws isn't straightforward. I've seen buyers chase the lowest quotes only to deal with backlash issues down the line, or worse, total failures in high-speed applications. As export manager at YIDI Motion, I've handled inquiries from US machine builders to European automation firms, and the common thread? They want reliability without the headaches of inconsistent quality or endless lead times.
Ball screws convert rotary motion to linear with minimal friction—think CNC spindles, robotic arms, or precision stages. But sourcing them globally means navigating variable standards, material grades, and factory capabilities. A mismatched lead or poor preload can throw off your entire setup.
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Common Pitfalls When Sourcing Ball Screws
Over the years, I've fielded calls from procurement teams burned by subpar suppliers. One US importer ordered rolled ball screws for a packaging line, only to find excessive backlash after a month—downtime cost them thousands. Others overlook preload options, leading to axial play in dynamic loads.
Key risks include:
- Inconsistent accuracy grades: C0 to C10 levels matter; cheap ones rarely hit specs.
- Material shortcuts: CF53 or 50CrMoV4 steel is standard, but some use lower grades that wear fast.
- Lead time surprises: Stock claims turn into 12-week waits during peaks.
- Non-standard nuts: Single vs. double-nut setups; mismatch ruins efficiency.
- Certification gaps: No ISO 3408 or DIN compliance means integration headaches.
Distributors often mark up 30-50% over factory direct. And forget samples—many won't send them without huge deposits. We've turned away repeat lowballers who later regretted skimping.
Bottom line: Focus on proven factories with export track records. Check dynamic load ratings (Ca) and calculated life (L10) against your cycles.
Our Precision Ball Screw Lineup
At YIDI Motion, we grind and roll ball screws in-house for diameters from 12mm to 80mm. Precision ground for C3/C5 accuracy in high-end CNC; rolled for cost-effective general use. Preloads from light to heavy-duty, with options for end wipers and seals to cut contamination.
What sets us apart? We match Euro/Japanese specs but ship faster from Hebei. Custom lengths up to 6m, flanges or cylindrical nuts. SFU/DFU series popular for steppers; SFE for servo-driven axes.
Quick Buyer Tip: For vertical apps, go double-nut to handle thrust. Saves rework.
Materials: SCM415H hardened to 58-62 HRC. Balls in G5/G10 grade. We test every batch on rigidity rigs—stiffness up to 150 N/μm.
Detailed Technical Specs
Here's a snapshot of our standard offerings. Full catalog on request.
| Model | Dia x Lead (mm) | Accuracy | Dyn Load Ca (kN) | Max Length (m) |
|---|---|---|---|---|
| SFU1605 | 16x5 | C7 | 3.2 | 1.5 |
| SFU2005 | 20x5 | C7 | 5.5 | 2.0 |
| SFU2505 | 25x5 | C5 | 9.6 | 3.0 |
| DFI3210 | 32x10 | C3 | 18.4 | 4.0 |
| SFE5010 | 50x10 | C5 | 42.1 | 6.0 |
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Need C1/C3 ground? We do those too. Torque curves and life calcs available per ISO 3408-5.
Pro Tip: Match lead to your motor speed. Too fine, and you lose thrust; too coarse, whip kills precision.
Request full spec sheet or talk engineering.
Where Ball Screws Excel
CNC mills and lathes: Our C5/C7 series handle 5g accel without binding. Robotics: Double-nut for repeatability under 10μm. Medical devices? Cleanroom seals standard.
Packaging: High-speed traverse with minimal heat buildup. 3D printers to semiconductor handlers—we've shipped to all. Vertical lifts pair well with brakes.
- Automation axes
- XY tables
- Press feeds
- Inspection gantries
One client retrofitted their gantry—cut cycle times noticeably. No magic numbers, just solid mechanics.
YIDI Motion Factory Overview
Started in 2020, Hebei YIDI has 100 staff, 30% senior techs. Imported German/Japanese grinders for mirror finishes. Annual output: 50k+ units.
OEM/ODM full service: Your logo, custom pitches. Exports to 50+ countries—US, Germany, Japan top. ISO 9001, CE marked. ROHS compliant.
Stock: 10k meters ready. Peaks handled with overflow lines.

One-Stop Linear Motion: Ball Screws + Guides + Actuators
Why us? Direct factory—no middlemen. Chat OEM feasibility.
Practical Installation Notes
Mount parallel within 0.05mm/300mm. Use fixed-floating ends for long shafts. Lube with lithium grease; NLGI 2 grade. Torque nut per our chart—overtighten binds.
Alignment laser tools pay off. Whipping? Shorten unsupported length. Dust boots extend life 2x.
Maintenance: Check preload yearly. Runout under 0.005mm signals good.
Common error: Skipping fixed bearing. Leads to drift.
Shipping Worldwide
FOB Tianjin. 1-4 weeks air/sea to US West Coast. 20ft container: 5km stock. Wood crates, anti-rust paper.
Duties? We provide HS 8483.40 codes. Samples via DHL, $50-100 freight.
Tracked from line to door. Incoterms flexible.
Feedback from Procurement Teams
Mark T., Operations Mgr, Texas CNC Shop:
"First order was 50x10mm doubles. Arrived perfect, C5 spot-on. Better than THK samples at half price. Lead time beat quote."
Anna K., Automation Buyer, Ontario:
"OEM run for robot arms. Techs helped with preload calc. Zero DOA. Reordering."
Rodrigo S., Mexico Distributor:
"20ft load, no damage. Docs clean for customs. Stock series sells fast here."
Jean P., French Importer:
"Custom ground C3. Rigidity tests passed. Good comms despite time zones."
Frequently Asked Questions
Q: What's the difference between rolled and ground ball screws?
A: Rolled cheaper for moderate duty (C7+), ground for precision (C3-C5). We do both.
Q: MOQ?
A: 1 piece samples; 10+ for prod.
Q: Can you match Hiwin specs?
A: Yes, drop-in alternatives.
Q: Backlash adjustment?
A: Preloaded nuts standard; fixed after assembly.
Q: Warranty?
A: 12 months, life calc based.
More? Email us.
Ready to Source Reliable Ball Screws?
Get factory pricing, free samples, or engineer consult.
- Phone: +86 18134111662
- Email: adam@yidimotion.com
- Addr: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang City, Hebei Province, China
- Contact Now
HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD. | ISO Certified | Global Shipping



