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.

Polymer Plastic Plain Bearings: Reduce Friction Costs by 40% in 90 Days – Powerful Factory OEM/ODM, Fast USA Delivery

As a US purchasing manager tired of high prices, inconsistent quality, and soaring shipping costs from unreliable suppliers, discover maintenance-free polymer plastic plain bearings engineered for high-load, low-friction performance in industrial machinery.

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Your Biggest Challenges with Traditional Bearings

In today's fast-paced manufacturing environment, US operations managers face relentless pressure to cut costs while maintaining uptime. But unreliable bearings derail your ROI.

High Prices: Metal bearings cost 2-3x more per unit, squeezing margins on every order.
Low Quality & Failures: Inferior imports fail prematurely, causing 37% unplanned downtime according to US manufacturing reports.
High Shipping Costs: Slow ocean freight from Asia adds $0.50-$2/unit, plus customs delays up to 45 days.
Maintenance Headaches: Constant lubrication needs 20+ hours/month, risking contamination in food/pharma apps.
Supply Chain Disruptions: Competitors' lead times stretch 8-12 weeks, halting production lines.
Compliance Risks: Non-RoHS parts lead to fines in USA markets.

Ready to eliminate these? See our solution below.

YIDI Motion Polymer Plastic Plain Bearings: Engineered for Superior Performance

From our 100-employee factory in Hebei, China—equipped with German/Japanese precision machines—YIDI Motion delivers polymer plastic plain bearings that outperform metal alternatives. Since 2020, we've exported to 50+ countries, including the USA, with OEM/ODM customization.

Core Advantages (Backed by Data)

Powerful Factory Capacity: 30% senior technicians ensure 99.8% defect-free rate.
Quality Assurance: Self-lubricating polymers reduce friction by 40%, extending life 5x.
OEM/ODM Design: Custom sizes/shapes in 7-14 days, no MOQ barriers.
High-Speed Delivery: Air/sea to USA ports in 7-21 days, cutting shipping costs 30%.
Cost Savings: Up to 50% cheaper than US brands like Igus equivalents.
Versatile Applications: Ideal for conveyors, pumps, automotive, food processing.

Technical Specifications Table

Our polymer plastic plain bearings use advanced materials like PTFE-filled POM, PA66, or PEEK for optimal PV values. Here's a comprehensive spec table for easy reference and SEO crawling:

Parameter	Standard Range	Performance Data	Test Standard
Material	POM, PA66+PTFE, PEEK	Self-lubricating, no grease needed	ISO 9001
ID/OD/Length	3-100mm ID / 6-120mm OD / 5-100mm L	Custom OEM sizes	DIN 1494
Max Load (P)	50-250 MPa static / 20-100 MPa dynamic	5x metal bearings	PV Test
Max Speed (V)	0.5-5 m/s dry / 10 m/s lubricated	Low noise & vibration	ISO 7146
Friction Coefficient	0.05-0.15 µ	40% energy savings	ASTM D3702
Temp Range	-200°C to +260°C	Corrosion-free in harsh env.	RoHS Compliant
PV Factor	2.5-4.3 N/mm² x m/s	Wear rate <50 µm/1000h	DIN 51810
Water Absorption	<0.2% after 24h	FDA-approved grades avail.	FDA 21 CFR

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Key Insight: These specs make our polymer plastic plain bearings ideal for high-PV applications, with wear rates 10x lower than bronze bushings per independent tests.

Real-World Application Scenarios & Case Studies

Polymer plastic plain bearings excel in scenarios demanding low maintenance and reliability:

Conveyor Systems: Reduced lubrication needs by 100%, cutting costs $15K/year for a US packaging firm.
Pumps & Valves: Corrosion resistance in water/chemical exposure; 3-year zero-failure rate.
Automotive Assembly: High-speed pivots with µ=0.08, boosting line speed 25%.
Food Processing: FDA-compliant, washdown-safe, no contamination risks.
Linear Actuators: Pairs perfectly with our ball screws for precise motion.