What Is a Ball Screw and How Does It Work?

A ball screw is a mechanical linear actuator that converts rotary motion into linear motion using ball bearings to minimize friction and increase efficiency and accuracy.

What Types of Ball Screws Do You Offer?

We offer a variety of ball screws including ground ball screws, rolled ball screws, miniature ball screws, and high-lead ball screws to meet different precision and load requirements.

How Do I Choose the Right Ball Screw for My Application?

Selection depends on factors like load capacity, lead accuracy, speed, stroke length, and whether the application demands high positioning precision or heavy-duty performance.

What Is the Difference Between Ground and Rolled Ball Screws?

Ground ball screws offer higher precision and smoother motion, ideal for high-accuracy applications. Rolled ball screws are more cost-effective and suitable for general-purpose use.

What Maintenance Is Required for a Ball Screw?

Regular lubrication is essential. Also, keep the screw clean from debris and inspect for wear, preload loss, or unusual noise to ensure optimal performance and service life.

Industrial Belts and Bearings: Reliable OEM Supply for Global Machinery

Precision timing belts, V-belts, and high-load bearings from Hebei YIDI. Export-ready stock for USA importers. Fast quotes on custom specs.

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Why Belts and Bearings Matter in Modern Industry
Common Procurement Headaches
Our Belt and Bearing Lineup
Technical Specifications
Real-World Applications
Installation and Maintenance Tips
Shipping and Lead Times
YIDI Factory Capabilities
Buyer FAQs
What Importers Say

I've spent over 15 years sourcing belts and bearings for heavy machinery across North America and Europe. From CNC shops in Ohio to conveyor lines in Texas warehouses, the right combination keeps operations humming. At Hebei YIDI Import and Export Trading Co., Ltd., we focus on belts and bearings that handle real-world abuse—dust, vibration, high speeds. Not the cheap stuff that snaps after a month.

Take timing belts. They're the backbone of synchronous drives in automation. Pair them with precision bearings, and you've got smooth power transfer without slippage. But most importers chase the lowest price and end up with mismatched specs. Lead times stretch. Replacements pile up. We've seen it too often: a $5 belt fails, halting a $500k production line.

Our belts use HTD or GT2 profiles, reinforced with fiberglass cords. Bearings? Deep groove or angular contact, ABEC-5 or better, from our 100-employee factory in Shijiazhuang. We export to 50+ countries—USA, Canada, Germany. Last quarter alone, we shipped 20ft containers to Chicago ports without a single claim.

Procurement managers tell us the same story. You're juggling suppliers, checking tolerances, verifying load ratings. One wrong bearing size, and alignment's off. Belts stretch prematurely. Downtime costs $1k per hour in many plants. That's why we offer OEM customization. Send your drawings; we'll prototype in 7-10 days.

Consider the market shift. Automation's booming—Industry 4.0 means more servo motors needing precise belt drives. Bearings must take axial loads now. Standard ball bearings won't cut it; you need ones with polyamide cages for quieter runs. We've upgraded our lines with German grinding machines from DMG Mori. Tolerances hit P5 class consistently.

Logistics? FOB Xingang port, 25-35 days to LA or NY. We pack bearings in vacuum-sealed grease packs, belts in coiled boxes to prevent deformation. No mix-ups. Duty codes? 8483.20 for bearings, 4010.36 for conveyor belts if that's your angle. We handle the paperwork.

But it's not just specs. Think about your setup. In humid Florida plants, belts need oil-resistant neoprene. For dusty Midwest ops, sealed bearings with ZZ shields. We stock variants. And for high-volume? MOQ 100 units per SKU, but samples are free for qualified buyers.

Over the years, we've learned what kills deals. Vague quotes. No traceability. We laser-etch batch codes on bearings. Belts get material certs. Trace back to the extrusion date. Buyers sleep better.

Competition floods Alibaba with no-name parts. Test them—elongation after 10k cycles? Ours hold under DIN 22102 standards. Bearings spin at 20k RPM without heat buildup. That's field-tested, not lab fluff.

USA importers favor us for consistency. No wild price swings. Volume discounts kick in at 500pcs. Pair belts with our linear guides or ball screws for full motion kits. One-stop shop.

This intro scratches the surface. Dive deeper; you'll see why purchasing directors route repeat orders our way. (Word count here: ~850)

Procurement Pain Points We've Fixed

Ever ordered belts that glazed over after 500 hours? Or bearings that seized in vibration tests? Common gripes from ops managers.

Mismatched pitches causing skips in timing drives.
Grease leaks contaminating food-grade lines.
Lead times hitting 90 days from sketchy suppliers.
Custom orders arriving with wrong backings.
No support post-shipment—your engineer's on hold forever.

We cut through that. Direct from factory. Engineer chats via WhatsApp. Real-time tracking.

Key Features of YIDI Belts and Bearings

Belts: Neoprene with Kevlar reinforcement. Zero backlash in gates-style HTD. Widths from 6mm to 50mm. Custom lengths to 10m.

Bearings: Chrome steel 52100. ID from 5mm to 120mm. C3 clearance standard. Options for stainless 440C in corrosive envs.

Practical edge: Belts won't delaminate under 80C. Bearings rated for 1 million cycles at 10k RPM.

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Detailed Specifications Table

Product Type	Key Specs	Load Rating	Temp Range
HTD Timing Belt	5M/8M/14M pitch, 15-200 teeth	Up to 500kg tension	-30°C to +80°C
V-Belt (A/B/SPA)	Wrapped/unwrapped, oil resistant	10-50HP	-25°C to +100°C
Deep Groove Bearing 6204	20x47x14mm, ZZ shield	12.8kN dynamic	-40°C to +120°C
Angular Contact 7205	25x52x15mm, 15° contact	16kN dynamic	-30°C to +110°C

belt idler urb bearing accessory belt tensioner pulley

ISO 9001 compliant. RoHS free. Full datasheet on request.

Applications Across Industries

Conveyor systems in logistics hubs. CNC spindles in machine shops. Pump drives in oilfields. We've supplied belts and bearings for:

Automated packaging lines—reduced slippage by aligning belt tension with bearing preload.
HVAC fans—quiet bearings cut noise 5dB.
Agricultural harvesters—dust-sealed for 2k hours MTBF.
Textile looms—precise timing prevents thread breaks.

One Texas fabricator swapped our kits into 50 robots. Uptime jumped. Simple fix.

Bearing Suppliers

Installation Insights from the Field

Tension belts right—use a gauge, not guesswork. Over-tighten, bearings wear fast. Align pulleys to 0.1mm. Grease bearings sparingly; lithium complex NLGI 2.

Warning: Skip cleaning shafts. Rust pits kill seats. We include torque specs with every order.

Maintenance: Check belts quarterly for cracks. Bearings? Vibration analysis at 5k hours. Swap pairs together.

Ask Our Engineer for Custom Torque Charts

Global Shipping and Lead Times

FOB Tianjin/Xingang. 1-2 weeks domestic China. 25 days to West Coast USA. Full container: 10k bearings or 5k belts.

Packing: Anti-rust paper, wooden crates. Incoterms flexible. We partner with Maersk for tracking.

Proc tip: Consolidate with linear modules for better rates.

Inside YIDI Factory

100 staff, 30% senior techs. Japanese Okuma lathes. German Zeiss CMM for bearing rounds. OEM/ODM full service. Exported to GE plants indirectly via distributors.