61911 Bearing - Precision Deep Groove Ball Bearings from YIDI Motion
Reliable 55x80x13mm Single Row Bearings for High-Speed Industrial Use | OEM Supplier
61911 Bearing Supplier | 55x80x13mm Deep Groove Ball Bearing Wholesale | YIDI Motion
Meta Description: Source high-quality 61911 bearings direct from factory. 55x80x13mm deep groove ball bearings for motors, pumps, and machinery. Fast global shipping, OEM options, competitive pricing. Contact YIDI Motion for specs and quotes.
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Sourcing Reliable 61911 Bearings Without the Headaches
I've been in export sales for bearings over 15 years, dealing with procurement teams from the US to Europe. When buyers search for a 61911 bearing, they're usually knee-deep in a project deadline. Motors spinning too hot. Pumps failing under load. You need that exact 55x80x13mm deep groove ball bearing, and fast, without paying premium prices from local distributors.
That's where we come in at YIDI Motion. We're not some middleman reseller. Our Hebei factory produces these single-row radial bearings to match or beat SKF 61911 specs, at volumes that make sense for importers and OEMs. No minimum order nonsense if you're testing. Just solid GCr15 steel construction, heat-treated for durability, and tolerances that hold up in real-world vibration.
Picture this: your operations manager flags a line stoppage because the spindle bearing grenaded. Standard 61911 size, but the cheap import version from last quarter couldn't handle the RPMs. We've seen it too often—procurement shortcuts leading to callbacks and rework. Our version? Quiet operation, low friction coefficients around 0.001, and load ratings that push 12-15 kN dynamic without chatter.
We export these to over 50 countries, including machine shops in Ohio and assembly lines in Texas. Lead times? 7-15 days to US ports, depending on customs. And if you're running ODM for custom machinery, we tweak seals or cages to fit your blueprint.
One thing buyers overlook: thin-section design like the 61911 means lighter weight, less inertia in high-speed apps. But get the lubrication wrong, and you're back to square one. We pack them grease-filled with lithium complex, good for 2000+ hours at 10,000 RPM. Skip the guesswork—email adam@yidimotion.com for a free spec sheet and pricing.
This isn't hype. It's what we've shipped to German automation firms and Japanese robotics outfits. Your next 61911 bearing order should perform like that.
Deep Dive into 61911 Bearing Engineering
Let's break down what makes a 61911 bearing tick. Standard metric deep groove, extra light series 619, size 11. Bore 55mm, OD 80mm, width 13mm. Simple profile, but engineered for radial and axial loads in both directions.
Material-wise, we use chrome steel (GCr15 equivalent to 52100). Through-hardened to 58-62 HRC inner/outer rings, balls at 60-64 HRC. Cage? Stamped steel or polyamide for quieter runs. Seals optional—2RS rubber contacts for contamination-prone spots, ZZ metal shields for speeds.
| Parameter | 61911 Open | 61911-2RS | SKF Equivalent |
|---|---|---|---|
| Dimensions (dxDxB) | 55x80x13 mm | 55x80x13 mm | 61911 |
| Dynamic Load (C) | 19.3 kN | 19.3 kN | 19.9 kN |
| Static Load (C0) | 11.2 kN | 11.2 kN | 11.2 kN |
| Limiting Speed (Grease) | 8,500 RPM | 11,000 RPM | 13,000 RPM |
| Weight | 0.162 kg | 0.18 kg | 0.17 kg |
| Precision Class | P0/P6 | P0/P6 | P5 available |
61909 bearing 6311 bearing 6310 bearing
These aren't pulled from thin air. Tested on our Japan-imported grinders and German spectrometers. Tolerances hit ABEC-3 as standard, P5 on request for spindles. One caveat: in dusty environments, go 2RS sealed. Open bearings shine in oil baths.
Production? CNC grinding, superfinishing for Ra 0.08 micron surfaces. Reduces startup torque by 20-30% over rough imports. We've dialed this in since 2020, with techs averaging 12 years experience.
Short note on failures: Most 61911 issues stem from misalignment or overload. Our radial clearance C3 option handles shaft expansion better in hot motors.
Where 61911 Bearings Excel in the Field
Deep groove like 61911 pop up everywhere radial loads dominate. Electric motors—think HVAC fans or conveyor drives. 55mm bore fits standard shafts perfectly.
- Pumps and Compressors: Handles thrust from impellers. Sealed versions cut grease leaks.
- Automotive Accessories: Alternators, power steering. Vibration resistance key here.
- Industrial Gearboxes: Intermediate shafts. Low noise means longer operator shifts.
- CNC Spindles: High-speed milling. P6 precision keeps tolerances.
- Household Appliances: Washing machine drums. Cost-effective volume play.
Take a US textile mill I supplied last year. Their doffer rollers were seizing every 6 months. Switched to our 61911-2Z, uptime jumped to 18 months. No magic—just better ball-to-race conformity.
Installation tip: Press-fit housings need heat to 80C. Hammering wrecks the raceway.
Smart Procurement for 61911 Bearings
Procurement directors hate surprises. So here's how to vet suppliers without wasting time.
First, check certifications. We hold ISO 9001:2015, RoHS compliant—no heavy metals for EU regs. CE marked for machinery directives.
- No load rating docs—ask for ISO 281 calcs.
- Lead times over 30 days without stock proof.
- Missing noise/vibration test reports.
- Unclear on C2/C3 clearance options.
Compare us: Bulk pricing starts $2.50/unit at 1000pcs. Samples $5 each, shipped DHL 3 days. For OEM, send CAD—we prototype cages.
Logistics hack: FOB Xingang port, 20ft container holds 15,000 units. Saves 25% vs air.
Ready to compare? Request our 61911 catalog PDF—includes competitor cross-ref.
Inside YIDI Motion's Bearing Production
HEBEI YIDI IMPORT AND EXPORT TRADING CO.,LTD., est. 2020. 100 staff, 30% senior techs. Imported DMG Mori grinders from Germany, Okuma lathes from Japan. Annual output 2M bearings.
Workflow: Steel bars → forging → heat treat → grind → assembly → auto lube → laser etch lot codes → IP65 test chamber.
Our edge? One-stop linear motion: ball screws, guides alongside bearings. Bundle for robotics OEMs.
Exports to USA, Germany, Japan. Addr: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang, Hebei, China. Phone: +86 18134111662. Email: adam@yidimotion.com.
Visit contact page for engineer chat.
Global Shipping Realities for Your Order
US West Coast: 25 days sea, $0.15/kg LCL. East Coast 35 days. Duty? HTS 8482.10, ~2.5%.
Packing: Corrugated tubes, 50pcs/box, pallets shrink-wrapped. Vibration-tested for transit.
Warning: Avoid unbranded forwarders—delays common. We use Maersk direct.
Get a tailored shipping plan with your quote.
61911 Bearing FAQs from Real Buyers
- What's the difference between 61911 and 6011?
- 61911 is thin-section (13mm wide), 6011 is medium (2mm wider). 61911 for space-tight apps.
- Can I get P5 precision?
- Yes, +15% cost. Lead 20 days.
- MOQ for wholesale?
- 50pcs sample, 500 full order.
- Match NSK 61911?
- Exact dims, loads. Send sample for side-by-side.
- Maintenance interval?
- Grease every 2000hrs or yearly inspect.
What Procurement Pros Say
Mike R., Operations Mgr, Texas Machinery
"Needed 2000pcs 61911 fast for spindle rebuilds. YIDI delivered in 12 days, quality matched Timken. No DOA. Will reorder."
Sarah K., Buyer, Ohio Automation
"Sealed 61911-2RS held up in dusty welders. Pricing beat Grainger 30%. OEM cage mod was spot on."
Tom L., Supply Chain, California Pumps
"Solid radial loads, quiet at 9000RPM. Container arrived perfect. Engineer chat helped spec C3."
Carlos M., Importer, Florida
"First time from China direct. 61911 specs verified, fast samples. Good for my resellers."
By Adam Chen, Export Director, YIDI Motion. 18+ years in precision bearings.
Secure Your 61911 Bearings Supply Chain
Don't risk downtime. Talk to our team for factory-direct pricing, samples, or OEM quotes.
- 📞 +86 18134111662
- ✉️ adam@yidimotion.com
- 🌐 Contact Form
Request Free 61911 Sample & Quote Now
