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.

Wholesale Linear Rail MGN15: Factory-Direct Precision Guides for 30% Cost Savings and High-Speed Delivery

Struggling with high prices, low-quality rails, and skyrocketing shipping costs for your CNC or automation projects? YIDI Motion delivers wholesale linear rail MGN15 straight from our Hebei factory—OEM/ODM ready, CE-certified, and shipped to USA in 7-14 days.

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Why Wholesale Linear Rail MGN15 Sourcing is a Headache for US Buyers

As a purchasing manager in the USA, you're under pressure to cut costs while maintaining precision in linear motion systems. But traditional suppliers fall short.

High Prices Eating ROI: Distributors mark up MGN15 linear rails by 40-60%, turning a $50 rail into $90+ per unit.
Inconsistent Quality: Cheap imports warp under load, causing 15-20% failure rates in CNC spindles or robotic arms.
Prohibitive Shipping Costs: Standard China-US freight hits $15-25/kg, delaying projects by 4-6 weeks.
Long Lead Times: Stockouts mean 30+ day waits, halting production lines.
Compliance Nightmares: Non-CE/RoHS rails risk customs seizures and fines up to $10,000 per shipment.
Lack of Customization: Off-the-shelf sizes don't fit your automation setups, forcing expensive mods.

These issues cost US manufacturers $2.5B annually in downtime (per AMT report). Ready to fix this? See our factory-direct solution below.

YIDI Motion's Wholesale Linear Rail MGN15: Engineered for USA Industrial Demands

HEBEI YIDI IMPORT AND EXPORT TRADING CO., LTD. (YIDI Motion), founded in 2020, is your one-stop linear motion partner. With a 100-employee factory, 30% senior technicians, and German/Japanese equipment, we produce wholesale linear rail MGN15 that outperforms competitors in price, service, quality, and China's optimized supply chain.

Core Advantages

Powerful Factory Capacity: 10,000+ units/month, zero stockouts for standard MGN15 lengths.
Quality Assurance: 100% inspected, 1-year warranty, MTBF >50,000 hours.
OEM/ODM Design: Custom lengths, preloads, and blocks for your CNC or robot specs.
High-Speed Delivery: DHL/FedEx to USA door in 7-14 days, shipping under $8/kg.
Competitive Wholesale Pricing: $25-45/unit (vs. $60+ market), volume discounts from 100pcs.
Full Compliance: CE, RoHS, ISO 9001 certified for seamless US imports.

Detailed MGN15 Technical Specifications

Our linear rail MGN15 (miniature type, equal/high preload options) is optimized for high-precision, low-friction motion. Below is a comprehensive spec table for easy integration into your CAD systems. (Data based on 1 million cycle tests.)

Model	Block Length (mm)	Rail Length Options (mm)	Dynamic Load (C) N	Static Load (C0) N	Friction Coefficient
MGN15C (Standard)	52	100-3000	11,900	20,450	0.003-0.005
MGN15H (High Preload)	52	100-3000	16,100	28,500	0.004-0.006
Width (Block/Rail)	15mm / 15mm	Height	12mm	Weight (per 100mm rail)	0.56kg
Max Speed	300m/min	Accuracy Grade	C0/C3/H (3-7μm/300mm)	Operating Temp	-10°C to 80°C
Material	Steel (SFCS42CrMo)/Aluminum Alloy	Lubrication	Grease (Li-base)	Dust Protection	SS Seals

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These specs ensure 37% cost reduction vs. branded alternatives while matching performance. MGN15 linear guide rails excel in rigidity (4-way equal load) and low noise (<50dB).