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 Track Rollers for Heavy-Duty Applications – Cut Maintenance Costs by 35% in 6 Months, Free Samples Available

Struggling with unreliable track rollers causing machine downtime and skyrocketing repair bills? YIDI Motion delivers precision track rollers engineered for USA industrial demands, ensuring seamless linear motion in automation, conveyors, and CNC systems.

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The Hidden Costs of Inferior Track Rollers in Your Operations

As a purchasing manager in the USA manufacturing sector, you face relentless pressure to optimize ROI while maintaining uptime. But subpar track rollers from low-cost suppliers are sabotaging your efforts.

High Breakdown Rates: Cheap track rollers fail prematurely under heavy loads, causing up to 40% unplanned downtime per industry reports from McKinsey.
Escalating Repair Costs: Low-quality materials lead to frequent replacements, inflating your annual maintenance budget by 25-50%.
Excessive Shipping Delays: Unreliable China's supply chain partners deliver late, disrupting your production schedules and adding $10K+ in expedited freight.
Poor Load Performance: Inadequate precision causes misalignment in linear motion systems, reducing machine accuracy by 15%.
Compliance Nightmares: Non-certified rollers risk FDA, CE, or RoHS violations, exposing you to fines and recalls.
OEM Mismatches: Generic parts don't integrate with your existing linear guides or ball screws, forcing costly redesigns.

Don't let these issues drain your budget. Discover how YIDI Motion's track rollers solve them permanently.

YIDI Motion Track Rollers: Engineered for Unmatched Reliability and Performance

At HEBEI YIDI IMPORT AND EXPORT TRADING CO., LTD. (YIDI Motion), established in 2020, we specialize in high-precision track rollers as part of our linear motion portfolio—including ball screws, linear guides, and bearings. Our 100-employee factory, with 30% senior technicians, uses German and Japanese equipment for superior quality.

Our USP? Powerful factory capacity, rigorous quality assurance, full OEM/ODM design services, and high-speed delivery to USA ports in 7-14 days. Exporting to 50+ countries like the US, Germany, and Japan, we outpace competitors in price, service, quality, and supply chain stability.

Key Advantages of YIDI Track Rollers

Heavy-Duty Load Capacity: Up to 50,000N dynamic load, 3x rivals, for conveyors and automation.
Precision Engineering: Tolerances within ±0.005mm, ensuring flawless linear motion tracking.
Advanced Materials: Through-hardened chrome steel or stainless steel, with sealed lubrication for 10,000+ hours MTBF.
Versatile Types: Stud-type, yoke-type, full complement, and cam follower designs for any application.
Custom OEM/ODM: Tailored to your specs, integrated with our linear modules or ball splines.
Cost Efficiency: 30% lower than USA brands without quality compromise, direct from factory.

Technical Specifications Table – Optimized for SEO and Decision-Makers

Model Series	Type	Bore Dia (mm)	OD (mm)	Width (mm)	Dyn Load (N)	Stat Load (N)	Max Speed (RPM)
KR16 Stud-Type	Stud	16	26	12	12,900	6,550	8,000
KR22	Stud	22	35	20	23,600	12,000	6,500
NA22 Yoke-Type	Yoke	22	35	17	19,800	10,200	7,200
NA30	Yoke	30	47	19	32,500	17,300	5,800
KRV52 Full Complement	Stud, Sealed	52	90	44	78,000	49,500	3,200
Custom Series	OEM/ODM	10-100	Custom	Custom	Up to 100kN	Custom	Custom

Materials Breakdown: Outer ring and rollers: GCr15 bearing steel (58-62 HRC), optional 440C stainless for corrosion resistance. Seals: NBR or Viton for high-speed, dust-proof operation. Lubrication: Lithium-based grease, lifetime sealed.

Performance Characteristics: Radial load optimized with gothic arch contact for 4-point loading, reducing edge stress by 20%. Vibration resistance per ISO 15242 Class 6, noise levels <70dB at 3000RPM. Temperature range: -30°C to +120°C standard, extendable to 200°C.

Real-World Applications and Case Studies

Conveyor Systems: KR series track rollers in a Michigan automotive plant handled 24/7 loads, cutting failures by 45%.
CNC Machines: Yoke-type NA rollers for Texas aerospace firm improved precision to 0.01mm repeatability.
Automation Robots: Custom full-complement rollers in California warehouse robots boosted speed by 25%.
Heavy Machinery: Integrated with our ball splines for oil rig equipment, surviving 50,000 cycles.