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.

YIDI Motion Factory Producing Bearing Components

Bearing Lube Essentials: Reliable Lubrication for Industrial Bearings

In the world of precision machinery, bearing lube isn't just an add-on. It's the difference between smooth operations and costly downtime. We've seen it time and again at YIDI Motion—purchasing managers scrambling when bearings seize up due to poor lubrication. As an export director with over a decade in linear motion parts, I've fielded calls from operations leads in the US and Europe facing exactly that.

Our Hebei factory specializes in bearings, ball screws, and linear guides. But we know lubrication is key to their longevity. That's why we source and supply high-grade bearing lube tailored for OEM applications. Think high-speed greases for ball bearings or synthetic oils for linear modules. Not the cheap stuff that breaks down under load.

Take a recent case: a Texas distributor running linear actuators in CNC machines. Their old lube was migrating, causing contamination. Switched to our NLGI 2 lithium complex grease, and uptime jumped. No more weekly teardowns. Real results like that come from understanding bearing dynamics—viscosity at speed, additive packages for extreme pressure (EP), and compatibility with seals.

Why Bearing Lube Failures Hit Procurement Hard

Procurement teams know the drill. A bearing fails prematurely, and suddenly you're expediting shipments, eating rush fees. Often, it's the lube. Inadequate film strength leads to metal-on-metal contact. We've inspected returned units from 50+ countries—most trace back to lubrication mismatches.

High-heat environments? Base oils degrade. Dusty shops? Contaminants infiltrate without proper grease barriers. For importers dealing with variable climates from Shijiazhuang to Seattle, consistency matters. Our lubes hold up: drop points over 250°C, water washout resistance above 5%.

Seized bearings from dry starts—common in intermittent duty cycles.
Varnish buildup clogging linear guides after 6 months.
Leakage in high-vibration setups like gear racks.
Costly recalls when OEM specs aren't met.

Skip these pitfalls. Reach out for a free lube compatibility check: +86 18134111662 or adam@yidimotion.com.

Adam Li, Export Director
YIDI Motion (HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD.)
15+ years in linear motion exports. Handled 1000+ OEM orders for bearings and lubes.

Bearing Lube Types for Industrial Use
Key Specifications Buyers Demand
Applications in Linear Motion Systems
Factory-Direct Advantages
Installation and Maintenance Realities
Global Logistics from Hebei
Buyer Reviews
Frequently Asked Questions
Get Your Quote Today

Bearing Lube Types: Matching to Your Bearings

Not all bearing lubes are equal. Ball bearings in high-speed spindles need low-viscosity oils or greases with PAO synthetics. Linear guides? Thicker NLGI 2 or 3 for load-bearing stability.

From our production lines, we recommend:

Lube Type	Base Oil	Applications	Temp Range
Lithium Complex Grease	Mineral/PAO	Ball bearings, ball screws	-30°C to 150°C
Polyurea Grease	Synthetic	High-speed bearings	-20°C to 180°C
Synthetic Oil (ISO VG 32-68)	PAO	Linear modules, splines	-40°C to 200°C
EP Moly Grease	Calcium Sulfonate	Heavy-duty gear racks	-25°C to 160°C

These aren't off-the-shelf generics. Formulated for OEM precision parts like our ball splines and linear actuators. EP additives prevent scoring under shock loads. Moly for anti-wear in dirty conditions.

Pro tip from the factory floor: Always check four-ball weld load ratings. Ours exceed 250 kgf—beats many commodity lubes.

Real-World Applications Across Industries

Bearing lube shines in demanding setups. Automotive assembly lines use our polyurea for spindle bearings—handles 10,000 RPM without fling-off. Packaging machines? Synthetic oils keep linear guides whisper-quiet.

In renewable energy, wind turbine yaw drives rely on high-drop-point greases. We've shipped pallets to US wind farms; no relube needed for 2 years.

CNC machining centers
Robotic arms with ball screws
Conveyor systems
Textile machinery spindles
Aerospace ground support

Linear Motion Bearings with Lube Application

Operations managers tell us: "Finally, a lube that matches our uptime goals." Want specs for your setup? Email adam@yidimotion.com.

Our Factory Strengths: Why YIDI for OEM Bearing Lube

Established 2020, but backed by 100+ staff—30% senior techs. German and Japanese equipment ensures batch consistency. We pack 18-20 tons per 20ft container, optimized for exports.

OEM/ODM? Full service. Private label your bearing lube with custom viscosity or additives. Tested to DIN 51825, ASTM D1743. Exports to Germany, USA, Canada, France, Japan—over 50 markets.

Compliance isn't optional for importers. REACH, RoHS ready. No headaches at customs.

Installation Insights: Get It Right First Time

Sloppy application wastes good lube. For pre-packed bearings, purge 30% excess. Ball screws? Use grease guns at 50% fill. Linear modules need oil baths or circulating systems—check seals first.

Warning: Mixing lubes invites failure. Flush old residue. In dusty US Midwest plants, apply extra to outer races.

Bearings And Accessories

Clean housing thoroughly.
Apply per manufacturer fill chart.
Run-in at low speed, monitor temp.
Recheck after 50 hours.

Saves labor. Contractors report 20-30% faster installs vs. field greasing.

Logistics: Seamless from Hebei to Your Door

Shijiazhuang to LA port: 25-35 days FOB. We handle palletizing—1.2m x 1m x 1.8m, shrink-wrapped drums or pails. MOQ 200kg for trials.

Incoterms flexible: EXW, FOB Tianjin, CIF. Duties? HS 2710.19 for greases—check your tariffs. Samples ship DHL, 5-7 days.

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

What Buyers Are Saying

John M., Texas Distributor
"Switched to YIDI bearing grease for our CNC lines. No more galling on ball screws. Delivery was spot on, pricing beat domestic by 25%."