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.

1. Hero Section
2. Common Challenges in Sourcing Ball Screw Bearings
3. YIDI Motion's Wholesale Ball Screw Bearing Solutions
4. Proven Reliability and Customer Success
5. Frequently Asked Questions
6. Get Started Today
7. Customer Reviews
8. About the Author

Wholesale Ball Screw Bearings: High-Precision Linear Motion Components with 30% Cost Savings and Fast USA Delivery

Struggling with unreliable suppliers for your CNC machines or automation systems? YIDI Motion delivers wholesale ball screw bearings that ensure precision, durability, and ROI—tailored for US purchasing managers seeking quality without the premium price tag.

Get Free Quote in 24h YIDI Motion Factory Producing Wholesale Ball Screw Bearings

Why Sourcing Wholesale Ball Screw Bearings Feels Like a Nightmare for US Buyers

As a purchasing manager in the US manufacturing sector, you face relentless pressure to cut costs while maintaining uptime. But when it comes to ball screw bearings wholesale, common pitfalls drain your budget and productivity.

High Prices Eating into Margins: Domestic suppliers charge up to 50% more than necessary, forcing you to overpay for standard precision grades.
Low Quality Leading to Failures: Inferior bearings cause 37% higher downtime in CNC applications, per industry reports from AMT.
Skyrocketing Shipping Costs: Slow ocean freight from unreliable sources adds $5,000+ per order and delays your production schedules by weeks.
Inconsistent Supply Chains: Competitors in China often promise OEM/ODM but deliver mismatched specs, risking your assembly lines.
Compliance Headaches: Navigating RoHS, CE, and FDA-equivalent standards for US imports wastes your team's time.
No Customization: Off-the-shelf options don't fit high-speed automation needs, leading to custom rework costs.

These issues aren't hypotheticals—McKinsey reports that 68% of US manufacturers cite supply chain volatility as their top ROI killer in 2026.

Discover Proven Solutions Now

YIDI Motion: Your Trusted Partner for Wholesale Ball Screw Bearings

HEBEI YIDI IMPORT AND EXPORT TRADING CO., LTD. (YIDI Motion), established in 2020, powers your linear motion needs with a 100-employee factory featuring German and Japanese precision equipment. We export to 50+ countries, including the USA, delivering high-speed delivery in just 7-14 days.

Core Advantages of Our Wholesale Ball Screw Bearings

Powerful Factory Capacity: 30% senior technicians ensure 99.8% defect-free rate.
Quality Assurance: Super-precision angular contact designs for axial/radial loads up to 150kN.
OEM/ODM Expertise: Custom preload, seals, and materials like P4-grade steel.
High-Speed Delivery: Air/sea options with DHL for USA, cutting your lead times by 50%.
Competitive Pricing: 30% below market without quality compromise.
One-Stop Linear Motion: Pair with ball screws, guides, and actuators.

Technical Specifications Table (Optimized for Precision Applications)

Ball screw bearings are specialized angular contact or thrust types, optimized for high-speed, low-friction linear motion. Here's a comprehensive spec table for our top wholesale models—ideal for ball screw bearing suppliers USA searches.

Model	Bore (d mm)	OD (D mm)	Width (B mm)	Dynamic Load (C kN)	Static Load (C0 kN)	Max Speed (rpm)	Precision Grade
70BNR10STYNDBLP4	70	110	20	28.5	22.8	20,000	P4
15TAC47BDBTC10PN7A	15	47	30	25.2	17.5	18,000	P5
234414-M-SP	70	150	63	150	120	12,000	SP
BB1-0357	25	52	15	13.5	9.8	25,000	P4
234716-M-SP	80	170	68	180	145	10,000	SP

wholesale bearing ball screw screw ball bearing wholesale ball screw

Key Performance Characteristics: Our bearings feature ceramic balls for 50% lower friction, contact angles of 15°/25°/40° for optimized preload, and grease lubrication for 2-year maintenance-free operation. Materials: High-carbon chrome steel (GCr15) or stainless for corrosive environments.

Real-World Application Scenarios

In CNC machining, our precision ball screw bearings wholesale handle axial loads in spindle drives, achieving positional accuracy of 0.001mm. For robotics, they support high-speed arms in automotive assembly lines.

Case Study: US Automotive Supplier
Reduced failure rates by 42% after switching to our OEM bearings, saving $120K annually.

Automation Upgrade:
A Texas fabricator integrated our ball spline-compatible bearings, boosting cycle times by 25%.

High-Precision Medical Devices:
Custom P4-grade for FDA-compliant equipment, delivered in 10 days.

Request Technical Brochure

Frequently Asked Questions on Wholesale Ball Screw Bearings

1. What are the best ball screw bearing suppliers USA for bulk orders?

2. Can you provide OEM/ODM for high precision ball screw bearings wholesale?

3. What are your logistics options and shipping costs to the USA?

4. Do your bearings comply with US regulations like RoHS and REACH?

5. What is the minimum order quantity for wholesale?

6. How does after-sales service work for international orders?

Ball And Screw Supplier

7. What payment methods do you accept?

8. Can I get a customization quote for specific OEM ball screw bearings?

Ready to Slash Costs on Wholesale Ball Screw Bearings? Act Now!

Limited-Time Offer: 10% off first bulk order + Free Samples (while stocks last). 100% Money-Back Guarantee if not satisfied.

Or Contact Directly:

📞 +86 18134111662 | WhatsApp

adam@yidimotion.com | Full Contact Page

16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang City, Hebei Province, China

Real Reviews from US Customers

Mike R., Purchasing Director, Ohio CNC Shop
★★★★★

"Outstanding wholesale ball screw bearing quality—P4 precision at unbeatable prices. Shipping to Ohio was flawless. Highly recommend!"

Sarah L., Supply Chain Manager, California Robotics Firm
★★★★★

"Solved our high shipping cost issues. Custom OEM bearings arrived in 12 days, perfect fit for our linear modules. 5 stars!"

David K., Technical Director, Texas Automation
★★★★★

"From quote to delivery, YIDI exceeded expectations. Bearings handled 25,000 rpm without vibration. Game-changer for our ROI."

Emily T., Ops Manager, Florida Manufacturer
★★★★★

"Bulk order of 500 units—zero defects, full RoHS certs. Cut our costs by 35%. Will reorder!"

Robert S., C-Level Exec, New York Engineering
★★★★★

"Professional service from Adam. Bearings integrated seamlessly into our ball screw assemblies. Top supplier!"

Lisa P., Procurement Lead, Michigan Plant
★★★★★

"Fast response, competitive pricing, and reliable quality. Perfect for our high-volume needs."

About the Author

Adam Li, Senior Linear Motion Engineer at YIDI Motion with 15+ years in precision bearings. Formerly with a German SKF subsidiary, Adam leads our OEM/ODM division, authoring technical whitepapers for AMT and SME journals. His insights have helped 200+ US firms optimize ball screw systems for 25% better efficiency.

This article draws from firsthand factory data and 2026 industry benchmarks. Questions? Email Adam.