6805-2RS Bearing: Reliable Deep Groove Option for Precision Machinery
Wholesale supplier direct from Hebei factory. OEM/ODM ready. Fast global shipping.
Table of Contents
- Procurement Challenges with Thin Bearings Like 6805-2RS
- What Makes Our 6805-2RS Stand Out
- Full Technical Specifications
- Real-World Applications
- Our Factory Capabilities at YIDI Motion
- Installation and Maintenance Tips
- Logistics for International Buyers
- Customer Experiences
- Frequently Asked Questions
- Next Steps: Get Your Quote
Procurement Challenges with Thin Bearings Like 6805-2RS
Procuring the right 6805-2RS bearing isn't straightforward. I've seen purchasing managers chase down samples from multiple suppliers, only to end up with inconsistent quality. Thin-section deep groove bearings like this one—25mm inner diameter, just 7mm wide—demand precision. One mismatch in tolerances, and your spindle or actuator starts vibrating.
Counterfeit parts flood platforms like Alibaba. They look identical on paper but fail under load. Dynamic load ratings drop fast if the seals aren't properly seated. We've had US importers return loads because noise levels spiked after 500 hours. Lead times stretch too; some factories quote 8 weeks but deliver in 12.
Risk goes beyond quality. Misaligned specs lead to downtime. A Midwest automation firm told me they scrapped an entire robot arm batch after bearings seized. Cost them thousands. And logistics? Small sizes mean inefficient packing unless the supplier optimizes containers.
That's where experience matters. At YIDI Motion, we've shipped over 50,000 units to North America alone since 2020. No guesswork.
What Makes Our 6805-2RS Stand Out
This isn't just another metric bearing. Our 6805-2RS uses GCr15 chrome steel, heat-treated for hardness. Double rubber seals (2RS) keep grease in and contaminants out—critical for dusty machine shops or humid warehouses.
Seals contact the inner ring, reducing friction over non-contact types. Expect 10-15% less drag at high speeds. Vibration stays low, under ABEC P0 tolerances. We've tested batches at 12,000 RPM without heat buildup.
Compared to standard 6805 open bearings, the 2RS version extends life in semi-sealed environments. Pumps, fans, electric motors—they handle radial loads up to 3.55 kN dynamic. Static? Around 2.24 kN. Not for heavy axial duty, but perfect for compact setups.
Buyers appreciate the consistency. No batch variations like from smaller vendors. And pricing? Factory direct keeps it competitive—often 20-30% below branded equivalents without skimping on quality.
Full Technical Specifications
| Parameter | Value |
|---|---|
| Bearing Type | Deep Groove Ball, Thin Section |
| Dimensions | ID 25mm x OD 37mm x Width 7mm |
| Seals | 2RS (Double Rubber Seals) |
| Material | GCr15 Chrome Steel |
| Load Ratings | Dynamic Cr: 3.55 kN | Static Cor: 2.24 kN |
| Speed Limit | 12,000 RPM (grease lubed) |
| Tolerance | P0 / ABEC-1 |
| Weight | 0.022 kg |
These specs align with ISO 15:2011 standards. We've got equivalents to SKF 6805-2RS1, NSK, or FAG if you're matching replacements.
Real-World Applications
Compact design shines in tight spaces. Think stepper motors in CNC routers or conveyor idlers. One client in Texas uses them in packaging machines—handles side loads without chatter.
HVAC fans too. Seals protect against lint buildup. Automotive testers pair them with ball screws for actuators. Even drones; low weight keeps inertia down.
- Automation: Linear guides, robotic arms
- Pumps: Submersible, centrifugal (non-submerged)
- Motors: AC/DC spindle drives
- Textile: Spinning frames
- Medical: Lab equipment turntables
Not ideal for high-shock. Pair with proper preload.
Installation and Maintenance Tips
Press-fit carefully. Use a bearing driver, not hammer. Heat outer ring to 80°C max for shrink fits. Align shafts true—misalignment kills seals quick.
Lube with lithium grease NLGI 2. Relube intervals? 2,000 hours typical, depending on speed. Monitor for seal leaks; dark grease means contamination.
Common mistake: Over-tightening. Torque to spec, around 5-7 Nm for M6 shafts. We've seen stripped housings from overzealous techs.
Our Factory Capabilities at YIDI Motion
Hebei YIDI Import & Export Trading Co., Ltd., under YIDI Motion banner since 2020. 100 employees, 30% senior techs. Imported grinders from Germany, Japan—keeps radial runout under 5 microns.
Bearings are core: ball screws, linear guides too. Full OEM/ODM. Custom seals? No problem. Exported to 50+ countries—USA, Germany, Japan top list.
Certifications: ISO 9001:2015. ROHS compliant. No heavy metals. Monthly audits.
Capacity: 200,000 bearings/month. Lead time 15-25 days for stock, 30-45 custom. MOQ flexible—500 pcs start.
One-stop: Specs, samples, tooling. Talk to our engineers direct.
Logistics for International Buyers
USA bound? FCL 20ft holds 50,000 pcs. Air for urgent—DHL 3-5 days. Duties? HS code 8482.10, check Section 301 exclusions.
Packing: Anti-rust paper, corrugated boxes. Palletized secure. We've optimized for 1.2m height max.
Incoterms: FOB Tianjin/Xingang standard. CIF available. Track via our portal.
Customer Experiences
Mike R., Procurement Manager, Ohio Automation Inc.
"Switched to YIDI 6805-2RS after SKF delays. Matched specs perfectly. Dropped noise in our pickers. Lead time beat quotes. Will reorder."
Sarah L., Ops Director, Texas Machinery
"Samples arrived fast. Tested in pumps—no leaks after 1,000 hours. Pricing let us stock more. Solid partner for OEM runs."
Carlos G., Engineer, Florida Distributors
"Used in fan motors. Seals held in humid shop. Better than cheap imports. Quick response from Adam on customs docs."
David K., Supply Chain Lead, California Robotics
"Integrated with our linear modules. Vibration minimal. Factory tour convinced us on quality control. Scaling up orders."
Frequently Asked Questions
Q: Can you match NSK 6805DDU specs?
A: Yes, our 2RS equivalent uses same grease and tolerances. Direct drop-in.
Q: What's the minimum order for samples?
A: 10 pcs free with freight collect. Full pallet 500 pcs.
Q: Lead time to USA?
A: Stock 7-10 days air, 20-25 sea. Custom 4 weeks.
Q: Do you offer P6 precision?
A: Standard P0. P6 on request, +15% lead time.
Q: Payment terms?
A: T/T 30% deposit, balance B/L copy. L/C for large orders.
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Addr: 16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang, Hebei, China
Written by Li Wei, Export Director at YIDI Motion.
20+ years in bearing manufacturing and international trade. Last updated: October 2026.
