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.

Premium Roller Bearings: Cut Machinery Downtime by 40% in 90 Days with OEM Quality – Free Samples for USA Buyers

Struggling with unreliable roller bearings causing production halts? YIDI Motion delivers precision-engineered roller bearings tailored for industrial machinery, ensuring seamless operations for purchasing managers and operations leads.

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Pain Points in Roller Bearing Procurement
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Why Your Current Roller Bearings Are Costing You More Than You Think

As a purchasing manager sourcing roller bearings for heavy machinery, you face relentless pressure to balance cost, quality, and reliability. But high prices, inconsistent quality, and soaring shipping costs from unreliable suppliers are eroding your ROI.

High Prices (up to 50% markup): Premium brands charge exorbitant rates, squeezing your budget without proportional performance gains.
Low Quality Leading to Failures: Subpar cylindrical roller bearings or tapered roller bearings seize under load, causing 40% more downtime per industry reports from McKinsey.
High Shipping Costs: Fragmented supply chains from Europe or Asia inflate logistics by 25-30%, delaying deliveries by weeks.
Inconsistent Sizing: Mismatched precision tolerances lead to vibration and premature wear in high-speed applications.
Limited Customization: Off-the-shelf options fail to meet OEM specs for your conveyors, gearboxes, or wind turbines.
Poor After-Sales Support: No quick replacements mean production lines idle, costing $10K+ per hour.

Imagine slashing these pains—discover how below.

YIDI Motion's Roller Bearings: Powerful Factory-Backed Precision for Industrial Excellence

HEBEI YIDI IMPORT AND EXPORT TRADING CO., LTD. (YIDI Motion), established in 2020, is your one-stop roller bearing supplier with a 100-employee factory in Shijiazhuang, China. We specialize in precision roller bearings, offering OEM/ODM design, quality assurance, and high-speed delivery to USA markets—exported to 50+ countries including the US.

Core Advantages

Powerful Factory Capacity: Advanced German/Japanese equipment ensures 99.9% defect-free production; 30% senior technicians.
Unmatched Quality Assurance: Rigorous testing exceeds ISO standards, reducing failure rates by 37%.
OEM/ODM Customization: Tailor high load roller bearings to your specs—bore sizes from 10mm to 500mm.
High-Speed Delivery: 7-15 day lead times to USA ports, cutting shipping costs by 25% via optimized chains.
Competitive Pricing: Direct factory pricing beats competitors on price, service, and quality.
Versatile Applications: Ideal for automotive, aerospace, steel mills, mining equipment, and wind energy systems.

Technical Specifications Table (Key Roller Bearing Series)

Our roller bearings feature high radial load capacity, low friction, and extended life. Below is a comprehensive spec table for easy reference—optimized for web crawling and your procurement needs. (Technical details comprise core content for precision sourcing.)

Bearing Type	Bore Dia (mm)	OD (mm)	Width (mm)	Dynamic Load (kN)	Static Load (kN)	Max Speed (RPM)	Material
Cylindrical Roller (NU Series)	20-100	52-200	15-46	45-250	38-200	12,000	Chrome Steel GCr15
Tapered Roller (302 Series)	15-80	35-140	12-36	30-180	28-150	10,000	Through-Hardened Steel
Spherical Roller (222 Series)	30-200	90-360	23-75	120-800	100-650	6,000	GCr15SiMn + Cage
Needle Roller (RNA Series)	10-50	20-80	10-30	15-60	12-50	15,000	Chrome Steel
Custom OEM Specs	Custom	Custom	Custom	Up to 1000kN	Up to 850kN	Up to 20,000	Stainless/High-Temp

roller with bearing taper roller bearing roller slewing bearing

Key Performance Notes: All bearings use premium lubrication (Li-base grease), P6 precision class, and tolerances per ABMA/ISO 492. Radial loads up to 800kN, axial up to 300kN in paired configs. Life expectancy: L10h > 20,000 hours at 70% load. Vibration levels < ZV2, noise < 65dB. Materials resist corrosion (up to 500°C for special alloys). Ideal for high-speed roller bearings in pumps, compressors, and electric motors.

Real-World Applications & Case Studies

Steel Mill Conveyors: Switched to our spherical rollers—downtime reduced 45%, annual savings $150K.
Wind Turbine Gearboxes: Tapered rollers handle misalignment; 2x service life vs. competitors.
USA Automotive Lines: Cylindrical series for assembly robots; 30% faster speeds without failure.

Ready for your specs? Request a custom brochure.

FAQ: Your Roller Bearing Procurement Questions Answered

What types of roller bearings do you offer for USA industrial use?

Cylindrical, tapered, spherical, and needle roller bearings, plus custom OEM for high load applications.

How long is the procurement process for wholesale roller bearings?

Quote in 24h, samples in 3-5 days, full order 7-15 days to USA ports.

Do you support OEM/ODM customization?

Yes, full design services with CAD integration for your machinery specs.

Ball And Roller Screw

What are your payment and shipping methods?

T/T, L/C, PayPal; DHL/FedEx for samples, sea freight for bulk—FOB/CIF to US hubs.

What after-sales service do you provide?

1-year warranty, free replacements, lifetime tech support via WhatsApp/Zoom.

Are your bearings compliant with US regulations?

Yes: RoHS, CE, FCC; materials meet ASTM standards.

How do you ensure quality in high-speed roller bearings?

German/Japan tech, 100% inspection, P6 precision, dynamic testing to 20,000 RPM.

Real User Reviews from USA Customers

John D., Michigan Manufacturing ★★★★★

"Best roller bearing suppliers USA—quality rivals SKF at half price. Fast ship!"

Lisa K., Texas Ops Manager ★★★★★

"Custom tapered bearings saved our line 30% costs. Highly recommend for industrial roller bearings."

Tom R., California Supplier ★★★★★

"OEM service top-notch. Spherical rollers handle heavy loads perfectly—no issues."

Emma S., NY Wholesale ★★★★★

"Wholesale pricing + quick delivery. Beat competitors on every front."

David M., Florida Tech Dir. ★★★★★

"Precision high-speed roller bearings exceeded specs. Team loves them."

About the Author

Adam Lee, Senior Bearing Engineer at YIDI Motion. With 25+ years in linear motion and roller bearing design, I've led OEM projects for Fortune 500 firms. Featured in Bearing World Journal. Contact: adam@yidimotion.com