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.

High-Quality Steering Column Bearings: Cut Replacement Costs by 30% in 90 Days with OEM Customization – Free Samples for US Buyers

As a US purchasing manager in automotive manufacturing, you're battling unreliable steering column bearings that fail prematurely, driving up downtime and costs. YIDI Motion delivers precision-engineered bearings from our Hebei factory, ensuring smooth steering performance and ISO-certified quality.

Get Free Quote & Sample in 24h

Why Your Current Steering Column Bearings Are Failing You

In the fast-paced US automotive sector, steering column bearings are critical for vehicle safety and performance. Yet, many buyers face recurring issues that erode ROI.

High Replacement Costs: Inferior bearings wear out in under 50,000 miles, costing you $200-500 per unit in labor and parts—up 40% from reliable alternatives.
Low Quality & Premature Failure: Cheap imports from unverified suppliers crack under vibration, leading to steering play and safety recalls.
Skyrocketing Shipping Costs: Delays from overseas without optimized logistics add 25-35% to landed costs for US operations.
Supply Chain Disruptions: Long lead times (8-12 weeks) halt production lines, impacting your quarterly targets.
Inconsistent Quality: Variations in tolerances cause noise and vibration, failing FMVSS standards and customer satisfaction.
Limited Customization: Off-the-shelf options don't match OEM specs for electric or hybrid vehicles.

These pain points hit your bottom line hard. Imagine slashing them with a trusted partner. Discover our solution below.

YIDI Motion Steering Column Bearings: Engineered for US Automotive Demands

At HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD. (YIDI Motion), established in 2020, we specialize in precision bearings including steering column bearings. Our 100-employee factory in Shijiazhuang, China, with over 30% senior technicians, uses German and Japanese equipment for unmatched precision.

Core Advantages

Powerful Factory Capacity: Produce 50,000 units/month, scaling for your volume needs.
Quality Assurance: 100% tested for radial/axial loads, exceeding ISO 9001 standards.
OEM/ODM Design: Custom specs for steering shafts in sedans, trucks, and EVs—tailored to your blueprints.
High-Speed Delivery: 2-4 week lead times to US ports via optimized sea/air freight, cutting shipping costs by 30%.
Cost Savings: Direct from factory—30% lower than competitors without quality compromise.
Versatile Applications: Ideal for passenger cars, commercial vehicles, and aftermarket repairs.

Technical Specifications Table

Our steering column bearings feature high-carbon chrome steel (GCr15) construction, lubricated with long-life grease for 100,000+ mile durability. Key parameters ensure seamless integration into steering columns.

Model	ID (mm)	OD (mm)	Width (mm)	Dynamic Load (kN)	Static Load (kN)	Speed (RPM)	Material
SCB-15	15	28	7	5.1	2.39	18,000	GCr15
SCB-20	20	35	8	7.65	3.6	16,000	GCr15 + Seal
SCB-25	25	42	9	11.9	5.85	14,000	Stainless Steel Option
SCB-30	30	47	9	13.5	8.1	12,000	GCr15
SCB-35	35	55	10	17.8	10.2	11,000	GCr15 + High-Temp Grease

rear axle bearing wheel bearing rotary bearing

Performance Characteristics: These deep groove ball bearings handle radial loads up to 17.8 kN and axial misalignment of 0.5°, with friction torque under 0.1 Nm. Operating temp: -40°C to 120°C. Vibration levels meet ISO 15242 G2 standards, reducing NVH by 25% in steering systems.

Application Scenarios:

Passenger vehicle steering columns (e.g., Ford F-150 equivalents).
Heavy-duty trucks for tilt/telescopic adjustments.
EV steering racks with low-friction demands.
Aftermarket repairs compliant with SAE J2530.

Our advanced CNC machining ensures micron-level precision.

Ready to spec your order? Request a custom quote now.

Frequently Asked Questions on Steering Column Bearings

What is a steering column bearing and its key specs?

A steering column bearing supports the steering shaft, reducing friction. Key specs: ID 15-35mm, load ratings 5-18kN, speeds up to 18,000 RPM. Ours exceed SAE standards.