400mm Ball Screw - High-Precision Linear Motion Components from YIDI Motion Factory
Reliable OEM supplier for CNC, automation, and heavy-duty applications. Export-ready with fast lead times.
Table of Contents
- 1. Why Procurement Teams Choose 400mm Ball Screws Now
- 2. Common Challenges in Sourcing Precision Ball Screws
- 3. Key Features of Our 400mm Ball Screw Lineup
- 4. Technical Specifications at a Glance
- 5. Real-World Applications Across Industries
- 6. Installation Tips from Our Engineering Team
- 7. Maintenance Realities for Long-Term Performance
- 8. Logistics and Export Shipping Details
- 9. OEM/ODM Customization Options
- 10. Factory Capabilities and Certifications
- 11. What Buyers Are Saying
- 12. Frequently Asked Questions
- 13. Next Steps: Get Your Quote Today
Why Procurement Teams Choose 400mm Ball Screws Now
I've been handling ball screw exports for YIDI Motion out of our Hebei factory for years. Lately, inquiries for 400mm ball screws have spiked. Procurement managers from US machine shops and automation integrators keep asking about them. It's not just the length—400mm hits that sweet spot for mid-sized CNC routers, linear actuators, and packaging line upgrades.
Think about it. Traditional lead screws wear out fast under load. Ball screws recirculate steel balls for near-zero friction. At 400mm, you're getting enough travel for practical setups without excessive deflection. We've shipped thousands to Germany, the US, and Japan. Buyers tell us it cuts backlash issues by half in high-repeatability jobs.
Market's shifting too. With supply chains stabilizing post-2022 disruptions, importers want local alternatives to Taiwanese or Japanese stock. But pricing matters. Our rolled and ground options start competitive because we control the whole process—from bar stock grinding to nut assembly. No middlemen markup.
One operations director from a Texas CNC shop emailed last week: "Need 400mm SFU1605 for a retrofit. Current one's whipping at speed." That's typical. At higher feeds, unsupported lengths sag. We spec ours with proper preload to handle it. If you're quoting projects, factor in dynamic load ratings. Ours hold 5-10kN easy, depending on diameter.
Export note: We pack for 20ft containers, 200+ units per load. Duty codes sorted for USMCA. Lead times? 7-15 days stock, 25 for custom pitch. Talk to Adam at +86 18134111662—he's our US market guy.
Common Challenges in Sourcing Precision Ball Screws
Sourcing 400mm ball screws isn't plug-and-play. I've seen buyers burn weeks chasing samples that don't match drawings. First hurdle: accuracy grades. C7 is fine for hobby mills. C5 or better for production runs. Cheap imports often claim C5 but test C10—whip and wear follow.
Then preload. Too loose, backlash kills precision. Too tight, heat builds. Our double-nut designs self-adjust. Procurement tip: Ask for preload torque specs upfront. We provide 0.5-2Nm charts.
Material fakes another pain. 50CrMo or GCr15 shaft steel is standard. Verify hardness—HRC58 min. Nuts? Bronze or high-grade plastic. We've rejected loads from sub-suppliers over inclusions.
Logistics bites too. 400mm ships fine, but ends must protect against dings. We use foam sleeves, plywood crates. One Canadian importer reported 15% DOA from sea freight without it. Avoid that.
Finally, lead times. Spot market dries up during peaks. Stock 20/25/32mm diameters here. Custom? Our Japan-imported grinders handle it.
Key Features of Our 400mm Ball Screw Lineup
Our 400mm ball screws aren't generic. Rolled for cost-sensitive apps, ground for ultra-precision. Diameters from 16mm to 50mm. Leads 5-20mm. Flange or block nuts.
Standout: Integral wipers keep balls clean in dusty shops. Preloaded sets reduce setup time. Dynamic efficiency 90%+. Static load? 20kN on 40mm models.
Compared to acme, ball screws last 5x longer under cycle. One client retrofitted a labeling machine—downtime dropped 40%. Real numbers from their logs.
- Low friction: Ball recirculation, no slip-stick.
- High speed: Up to 100m/min balanced.
- Compact: 400mm end-to-end, machined ends.
- Versatile: Horizontal/vertical mount.
Procurement hack: Pair with our linear guides for kits. Saves on sourcing.
Technical Specifications at a Glance
Here's the data buyers demand. All 400mm effective length. Tolerances per DIN69051.
| Model | Dia x Lead (mm) | Accuracy | Dyn Load (kN) | Stat Load (kN) | Nut Type |
|---|---|---|---|---|---|
| SFU1605 | 16x5 | C7 | 4.3 | 11.2 | Flange |
| SFU2010 | 20x10 | C5/C7 | 6.5 | 17.5 | Block |
| SFU2510 | 25x10 | C5 | 9.8 | 25.4 | Flange |
| SFU3210 | 32x10 | C5 | 15.2 | 38.7 | Block |
| SFU4010 | 40x10 | C3/C5 | 22.1 | 52.3 | Flange |
40mm ball screw 2000mm ball screw 2500mm ball screw
Custom lengths to 3000mm. Preload optional. Torque data on request.
Real-World Applications Across Industries
400mm ball screws fit everywhere linear precision counts. CNC mills: Z-axis travel. Robotic arms: Joint actuators. Woodworking: Gantry slides.
Packaging: Filler positioners. Medical: Lab automators. Semiconductor: Wafer handlers—cleanroom versions available.
One US distributor moved 50 units for solar panel assemblers. Vertical lifts, zero creep. Efficiency gain? Their words: "Cycles per hour up noticeably."
Heavy side: Injection molders use our 40mm for platens. Load spikes handled.
Installation Tips from Our Engineering Team
Alignment is king. Use dial indicators. Max misalignment 0.05mm/300mm. Ends parallel.
Mount nuts fixed-floating. Support bearings at ends. Grease every 100 hours initial, then 500. Lithium-based NLGI2.
Warning: Undersized couplers whip shafts. Size to motor inertia.
Vertical? Counterbalance. We've seen failures from skip.
- Deburr ends.
- Torque to spec: 20-50Nm.
- Run-in at low speed.
- Check backlash post-install.
Maintenance Realities for Long-Term Performance
Ball screws last 10,000km if treated right. Listen for grind—dirty balls. Clean with solvent, repack.
Interval: Every 3000 hours. Inspect wipers. Replace at wear.
Heat over 80C? Slow down or cool. Lifetime drops exponential.
Our warranty: 12 months, covers defect. Not abuse.
Logistics and Export Shipping Details
From Shijiazhuang to your dock. Sea: Qingdao port, 25-35 days US West. Air: Expedited.
Packing: Crates, 50kg max. Labels bilingual. Incoterms: FOB/CIF.
Container: 400 units 20mm model. Duties? HS 8483.4010.
Track via email. Samples? DHL 3-5 days.
OEM/ODM Customization Options
Full service. Your logo, pitch, ends machined. MOQ 10 units custom.
Integrated: With motor mounts, encoders. One-stop linear motion.
Factory Capabilities and Certifications
YIDI Motion, est. 2020. 100 staff, 30% seniors. German/Japanese grinders. Exports 50+ countries.
ISO9001, CE. RoHS compliant. Test benches for load/accuracy.
Addr: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang, Hebei, China.
Email: adam@yidimotion.com | Phone: +86 18134111662
What Buyers Are Saying
Mark T., Procurement Mgr, Texas CNC Shop: "400mm SFU2010 arrived perfect. C5 accurate, no whip at 2000rpm. Lead time beat quotes. Will reorder."
Julia K., Ops Dir, Ontario Automation: "Custom preload worked great for vertical axis. Freight intact. Pricing fair for quality."
Ryan L., Engineer, California Robotics: "Tested 32mm model. Load rating spot-on. Easy swap from competitor. Thanks for CAD."
Carlos M., Importer, Florida: "50 units shipped fine. Installed quick. Performance matches specs."
Frequently Asked Questions
Q: What's the MOQ for 400mm ball screws?
A: 1 for stock. 10 custom.
Q: Ground or rolled?
A: Both. Ground C3-C5. Rolled C7-C10.
Q: Can you do metric/imperial ends?
A: Yes. BK/BF or custom.
Q: Sample policy?
A: Free for qualified. Freight collect.
Q: Lead time for 100 units?
A: 15-20 days.
Q: Warranty details?
A: 12 months materials/workmanship.
Ready to Spec Your 400mm Ball Screw?
Email adam@yidimotion.com or call +86 18134111662. Get factory pricing, samples, or engineer consult today.
About the Author: Li Wei, Export Director at YIDI Motion. 15+ years in linear motion manufacturing. Oversees OEM exports to US/EU. (Photo: author/5.png)
400mm Ball Screw Supplier | OEM Precision Linear Motion | YIDI Motion Factory
Meta Description: Buy high-precision 400mm ball screws for CNC & automation. C5 accuracy, fast export shipping from China factory. OEM/ODM, specs, pricing. Contact for samples.
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