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.

Bearing with Flange Housing: Your Reliable OEM Source for Industrial Mounting Solutions

Sourcing the right bearing with flange housing can make or break your equipment downtime. We've supplied thousands to U.S. importers—let's get you specs and pricing today.

Why Procurement Managers Struggle with Bearing with Flange Housing

I've been in export for over 15 years, shipping bearings across the Pacific. One thing I hear constantly from U.S. buyers: flange housing units look simple, but picking the wrong one leads to headaches. Shaft misalignment creeps in after a few months. Or the housing cracks under load because it's cheap stamped steel instead of ductile iron.

Take a typical scenario. Your operations manager calls about a conveyor line in Ohio that's down again. The bearing seized because the flange didn't seat properly on an uneven mount. Lead times from domestic suppliers stretch to 8 weeks, and prices? You're paying 2-3x what a verified OEM overseas charges. Then there's the risk of counterfeits—units that test fine at first but fail certifications down the line.

Risk number one: inconsistent tolerances. A bearing with flange housing needs precise bore sizes, often to ISO 286 standards, or your shaft fit goes sloppy. We've seen importers burn through samples before realizing the supplier's calipers were off by microns.

Logistics bites too. Small orders get lumped into LCL shipments, delaying clearance at Long Beach. And don't get me started on hidden duties—some factories forget RoHS compliance, turning your import into a compliance nightmare.

Procurement directors tell me they waste 20-30% more on expedited freight just chasing reliable sources. We've helped dozens switch to our setup and cut that out. It's not hype; it's what happens when you deal with a factory that knows American specs inside out.

Our Take on Bearing with Flange Housing: Built for Tough Jobs

At YIDI Motion, we don't chase trends. We make bearing with flange housing units that bolt right into your existing setups—think UCFL series or custom flange configs for conveyors, pumps, and ag equipment.

What sets ours apart? Start with the insert bearing: deep groove ball design, sealed with double lip contact for grease retention. Handles radial loads up to 20kN depending on size, with optional eccentric locking collars for easy install on unground shafts. The housing? Ductile iron or pressed steel, zinc-plated to shrug off corrosion in washdown environments.

We've engineered these for versatility. Square flanges for tight spaces, oval for elongated mounts. Bore sizes from 12mm to 60mm cover most industrial needs. And lubrication? Relubricatable via a single grease fitting—saves you downtime compared to sealed-for-life junk that grenades early.

Buyers ask about load ratings. A standard UCFL205, say, takes 12.8kN dynamic, 6.65kN static. But we test beyond that in-house, simulating vibration you see in real plants. No guesswork.

Customization is where we shine. Need stainless steel for food processing? FDA-compliant housings? Or integrated sensors for predictive maintenance? OEM/ODM runs start at 500 units, with prototypes in 7 days. We've done runs for U.S. distributors rebranding as their own.

One importer switched from a European supplier after cracking issues. Our ductile iron flanges held up through 10,000 hours of testing. That's real uptime.

YIDI Motion Factory: 100% In-House Control from Hebei

HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD., doing business as YIDI Motion since 2020. We're not middlemen—we own the 100-employee factory in Shijiazhuang, Hebei. Senior techs make up 30%, all trained on German-imported grinders and Japanese CNC lathes.

Production flow? Raw steel blanks go through forging, then precision machining to h6 tolerances. Bearings get heat-treated to 58-62 HRC. Assembly in clean rooms, 100% inspected with micrometers and salt spray testers. Yield? Over 98%, or we scrap it.

Exports to 50+ countries: USA, Germany, Canada top the list. We've shipped 20ft containers full of flange bearings to Chicago ports without a single claim. Compliance? ISO 9001 certified, RoHS, CE marked. Full docs for your CBP entry.

Contact: +86 18134111662 or adam@yidimotion.com. Address: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang City, Hebei Province, China.

Want factory pics or a virtual tour? Hit reply—we'll send them. Our mission: one-stop linear motion parts, from ball screws to these flange housings.

Technical Specs: Compare at a Glance

Model	Bore (mm)	Flange Size (mm)	Dynamic Load (kN)	Static Load (kN)	Weight (kg)
UCFL204	20	113x113	12.8	6.65	0.65
UCFL205	25	130x130	14	7.85	0.77
UCFL206	30	148x148	19	11.2	1.2
UCFL208	40	180x180	29.1	17.8	2.2

bearing flange housing flange bearing housing flange bearing

Note: Custom sizes available. All per DIN 626 standards. Request full catalog via adam@yidimotion.com.

Bearing Suppliers

Where These Bearings Thrive in U.S. Operations

Flange housing bearings pop up everywhere practical folks need quick mounting. Conveyors in warehouses—think Amazon fulfillment centers. The square flange bolts to frames without adapters.

Food processing: Stainless variants resist washdowns, IP65 sealed.
Ag machinery: Handles dust and vibration on harvesters.
Pumps & fans: Oval flanges adjust to pipe offsets.
Textile mills: High-speed rotation with minimal noise.
Material handling: Forklift attachments, roller tables.

One buyer in Texas runs them on irrigation pumps. Lasted three seasons in alkaline soil—no seizing. Beats pilfered domestic units.

Installation Realities and Maintenance Hacks

Mounting is straightforward, but skip steps and you're calling us back. Align the shaft first—use a dial indicator for runout under 0.05mm. Torque bolts to 20-30Nm; overtighten cracks castings.

Lube with lithium grease, NLGI 2. Pump until it purges old stuff. Check every 500 hours or quarterly. Warning: don't mix greases—leads to emulsification and failure.

Pro tip from the floor: shim uneven bases. A 0.5mm mismatch amplifies vibration, eating bearing life by half.

We've got CAD drawings for most models. Download via contact form.

USA Shipping: What You Need to Know

FOB Xingang port, 25-35 days to West Coast. Full 20ft holds 15,000 units. MOQ 100pcs for samples, negotiable for bulk.

Duties? Around 4.5% for HTSUS 8483.20. Palletized for stability—no damage claims in years. DDP options for small runs.

Get your shipping plan: email adam@yidimotion.com with order size.

Buyers We've Helped: Real Feedback

Mike R., Procurement Mgr, Texas Ag Equipment: "Switched to YIDI flange bearings after locals quoted double. Installed on pumps—zero issues in 18 months. Lead time beat promises too."

Sarah L., Ops Director, Ohio Warehouse: "UCFL206s on conveyors. Greasable design cut maintenance 40%. OEM branding worked perfect for our line."

Tom K., Engineer, California Fabricator: "Custom bores arrived spot-on. Ductile housings handled overload test fine. Will reorder."

Carlos M., Importer, Florida: "Smooth customs clearance with certs. Prices let us compete."

These aren't cherry-picked. Average 4.8/5 from 200+ reviews.

Frequently Asked Questions

Can you do stainless steel flange housings?: Yes, AISI 304 or 316. Food-grade seals available.
What's the lead time for 1000 units?: 25 days production + shipping. Rush options +20%.
Do you match competitor pricing?: Send quote—we'll beat it with better quality.
OEM labeling possible?: Full service, min 500pcs.
Warranty?: 12 months, extendable to 24 with relube proof.