204-12 Bearing: Precision Deep Groove Ball Bearings from Factory Direct
204-12 Bearing | Wholesale Deep Groove Ball Bearings | OEM Supplier China
Meta Description: Source reliable 204-12 bearings (20x47x14mm) direct from YIDI Motion factory. Chrome steel, high-speed precision for motors, pumps, machinery. OEM/ODM, fast export to USA. Get specs, pricing, samples.
Table of Contents
- Why Choose 204-12 Bearings?
- Common Procurement Risks with Bearings
- How Our 204-12 Solves Real-World Issues
- Detailed Technical Specifications
- Key Applications in Industry
- Installation and Maintenance Tips
- YIDI Motion Factory Capabilities
- Certifications and Quality Assurance
- What Buyers Are Saying
- Buyer FAQs
- Get Started Today
Sourcing the Right 204-12 Bearing Without Headaches
I've been in export for over 15 years, handling everything from small runs to full container loads of precision components like the 204-12 bearing. Purchasing managers tell me the same story: you need a bearing that hits 20x47x14mm dimensions exactly, runs smooth under load, and doesn't fail mid-shift. But finding a supplier who delivers on time, at factory price, without hidden fees? That's the challenge.
At YIDI Motion, we make the 204-12 deep groove ball bearing right here in our Hebei facility. Chrome steel construction, GCr15 material standard, pre-lubricated for immediate use. No middlemen. We've shipped thousands to U.S. operations, Germany, Japan—places where downtime costs real money.
Picture this: your conveyor motor seizes because the bearing inner ring spun. Or a pump in a water treatment plant grinds to a halt from poor radial load handling. Happens more than you'd think with off-spec imports. Our 204-12? Rated for 7800 RPM dynamic, holds up in dusty shops or humid warehouses.
Why does this matter to you? Procurement teams are under pressure—ROI on every part, compliance checks, lead times under 30 days. We get it. That's why we offer OEM customization, like special seals for harsh environments or noise-reduced cages. Ready for factory pricing? Email adam@yidimotion.com with your volume.
Let's dig deeper. Bearings aren't commodities; they're the heartbeat of machinery. A mismatched 204-12 can cascade failures across your line. We've seen importers burn through samples from shady Alibaba listings, only to land with us for reliability.
Our production line? Imported grinders from Japan, spectrometers from Germany for material certs. Every batch gets vibration-tested. Export docs ready: CO, packing list, fumigation if needed for USA entry.
Over the next sections, I'll walk you through specs, risks we've fixed for clients, and why factories like ours beat traders. Stick around—there's practical advice here that saves time on the floor.
Procurement Risks That Trip Up 204-12 Buyers
Dealing with bearings internationally? First pitfall: dimension creep. Some suppliers list 204-12 but ship 6204 equivalents with slight bore tolerance issues. Your shaft fit goes south, press-fit fails.
Second, material fakes. Chrome steel should be GCr15 or 52100 equiv, hardness 60-65 HRC. Cheap knockoffs use lower-grade steel—fatigues fast under 12kN static load.
Lead time lies. "Stock ready" turns into 60 days. We've had U.S. buyers switch after competitors ghosted on 20ft containers.
Lubrication mismatches too. Standard grease might not suit high-temp apps; we spec polyurea for 150°C peaks.
- Overpaying traders: 30-50% markup vs. factory.
- Non-compliant packs: U.S. customs rejects loose bearings without proper labeling.
- Ignoring radial vs. axial: 204-12 shines radial, but some push it wrong.
- Missing seals: Open types contaminate in workshops.
One importer shared: ordered 500pcs, got rusted lots. Cost him rework. We palletize in anti-rust paper, vacuum-sealed.
Our 204-12 Bearing: Built for Your Operations
Take a standard 204-12: single-row deep groove, ID 20mm, OD 47mm, width 14mm. But we tune it. ZZ shields standard, or 2RS rubber seals for dirt exclusion. Cage? Stamped steel for cost, brass optional for high-speed.
Load ratings? Dynamic Cr 12.8kN, static Cor 6.65kN. Good for electric motors, fans, gearboxes. Vibration level V3, noise under 65dB.
What sets us apart: tolerance class. P0 default, P6 on request for precision fits. Surface finish Ra 0.08μm on races.
Buyers like you value lifecycle. These run 20,000-50,000 hours L10, depending on conditions. Relube intervals? Every 2,000 hours in clean apps.
Need a quote for 1,000pcs? Hit reply—includes FOB Tianjin terms.
Technical Specifications Table
| Parameter | Value | Details |
|---|---|---|
| Bearing Type | Deep Groove Ball | Single row, 204 series |
| Dimensions | 20x47x14 mm | d=20, D=47, B=14 |
| Material | GCr15 Chrome Steel | 52100 equiv, HRC 60-65 |
| Dynamic Load Cr | 12.8 kN | ISO 281 |
| Static Load Cor | 6.65 kN | Max radial load |
| Max Speed | 7800 RPM (grease) | 14000 RPM (oil) |
| Weight | 0.106 kg | Per unit |
| Tolerance | P0 / ABEC-1 | P6 available |
| Seals | ZZ / 2RS | Contact/non-contact |
23024 bearing 25580 bearing 206 bearing
Note: Custom options like ceramic balls or extended inner ring available for OEM.
Where 204-12 Bearings Perform Best
Electric motors top the list. That 1-5HP unit in your assembly line? Perfect fit, handles misalignment without chatter.
Pumps and compressors next. Radial loads from impellers—our deep grooves distribute even.
Conveyors, too. Idler rollers spin reliable, low friction cuts power draw.
We've supplied to U.S. OEMs for automotive tooling, textile spindles. One caveat: not for heavy thrust—pair with angular contacts if axial dominates.
Short tip: check your shaft hardness, 55-60 HRC min for press fits.
Practical Installation Notes
Heat the housing to 80°C for slip-in. Never hammer the outer—use arbor press. Arbor? Induction heater best, avoids brinelling.
Alignment key. Misalign by 0.5°? Expect early wear. Torque bolts to spec, usually 20-30Nm for M8.
Maintenance Realities
Grease every 1,500 hours or quarterly. Lithium complex NLGI 2. Listen for growl—early spall sign. Temp over 100°C? Switch to synthetics.
We've cut client downtime by focusing here. Talk engineer for your setup.
Inside YIDI Motion: 100+ Employee Precision Factory
Started 2020, but roots in 30-year techs. 100 staff, 30% seniors. Lines from Japan/Germany: CNC grinders, auto assembly, helium leak testers.
One-stop linear motion: ball screws, guides, now bearings. Export 50+ countries. USA share growing—FDA-ish hygiene packs ready.
Capacity? 50,000 204-12/month. Lead 25 days FOB. Containers: 20ft fits 150k pcs.
OEM/ODM our edge. Branded for your label, tolerances to P5.
Certifications You Can Trust
- ISO 9001:2015 – Process control
- ISO 14001 – Eco compliance
- RoHS – No haz mats
- REACH – EU entry
- Material certs per batch
Full docs with shipment. U.S. buyers: TSCA if needed.
Real Buyer Feedback
Mike R., Procurement Mgr, Texas Machinery
"Switched to YIDI 204-12 after local stock failed. Smooth run, no noise. 10k pcs on time, saved 25%."
Anna K., Ops Director, Ontario Pumps
"Seals held in wet app. Fast samples helped qualify. Container arrived perfect."
John L., Engineer, California OEM
"P6 tolerance spot-on. Custom grease worked. Repeat order."
Sarah T., Supply Chain, Florida Distributor
"Logistics smooth, docs complete. Beats traders hands down."
Frequently Asked Questions
Q: What's the MOQ for 204-12?
A: 100pcs sample, 1,000+ wholesale. Flexible.
Q: Shipping to USA?
A: 25-35 days sea, DHL 5-7. FOB/CIF.
Q: OEM possible?
A: Yes, logo, packaging, specs.
Q: Price range?
A: $1.2-2.5/pc FOB, volume dependent. Quote?
Q: Equivalents?
A: 6204, 180204. GOST 204.
More? Ask direct.
Ready to Source Your 204-12 Bearings?
Factory direct, no risks. Get pricing, samples, specs today.
- Call: +86 18134111662
- Email: adam@yidimotion.com
- Address: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang City, Hebei Province, China
By Adam Li, Export Director, YIDI Motion. 15+ years in linear motion exports.
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