6803 2RS Deep Groove Ball Bearings: Precision Sealed Solution for Demanding Applications
Sourcing reliable small-bore bearings without delays or quality issues
By Li Wei, Export Director at Hebei YIDI Import & Export Trading Co., Ltd.

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Why Sourcing 6803 2RS Bearings Can Trip Up Procurement Teams
I've handled orders for thousands of these 17mm ID bearings over the years. Purchasing managers in the US often hit snags when specs don't match or lead times stretch out. Picture this: your production line halts because the seals fail prematurely under light load. Or worse, counterfeit parts from unverified Alibaba listings show up with uneven races, causing vibration in spindle motors.
Common pitfalls? Overlooking radial clearance tolerances. A 6803 2RS needs tight control to handle speeds up to 20,000 RPM without overheating. Many low-end suppliers skip proper heat treatment, leading to early fatigue. Then there's logistics—containers delayed at customs because of missing RoHS declarations. We've seen importers eat 20-30% extra costs from rush air freight.
Another headache: mismatched grease. Standard lithium-based lubes in cheap imports degrade fast in humid environments. Your robotics arm or CNC router starts squealing after a few months. Procurement directors tell me they waste hours vetting dozens of quotes, only to find MOQs too high for test runs.
- Quality variance: Surface finish roughness exceeding 0.08 microns.
- Delivery unpredictability: 8-12 weeks instead of 4.
- Hidden fees: Anti-dumping duties on suspect origins.
- Seal integrity: Rubber lips cracking under dynamic loads.
Short story: skip these risks with a factory-direct partner like YIDI. We cut the guesswork.
Request 6803 2RS Sample TodayHow Our 6803 2RS Addresses These Issues Head-On
At Hebei YIDI, we've dialed in the 6803 2RS for reliability. These are double-sealed deep groove ball bearings, GCr15 chrome steel construction, with 2RS rubber seals keeping contamination out. Bore 17x26x5mm—perfect for compact assemblies where space is tight.
What sets ours apart? We run them through automated grinders from Japan, hitting ABEC-3 precision (P6 equivalent). Dynamic load rating around 3.35 kN, static 1.37 kN. Seals are nitrile rubber, good to 120°C, non-contact on the inner for low torque.
Grease-packed with high-temp lithium complex, lasts 2-3x longer than basic soaps in continuous duty. We've shipped over 500,000 units to US machine shops without a single seal breach complaint. Buyers note smoother operation in stepper motors, less heat buildup.
Operationally, these handle misalignment better than open types. In pumps, they shrug off axial loads up to 20% of radial. No more frequent relubes—sealed for life in most setups.
Customization? OEM/ODM easy. Want stainless AISI440C for food-grade? Or ceramic hybrids for ultra-high speeds? Lead time 25 days max for 10k pcs.
Detailed Technical Specifications: 6803 2RS
| Parameter | Value | Notes |
|---|---|---|
| Dimensions | 17mm (ID) x 26mm (OD) x 5mm (Width) | Thin-section design for compact fits |
| Dynamic Load (Cr) | 3.35 kN | ISO 281 standard |
| Static Load (Cor) | 1.37 kN | For stationary loads |
| Limiting Speed | 20,000 RPM (grease) | ABEC-3 tolerance |
| Weight | 0.0073 kg | Per unit |
| Material | GCr15 Chrome Steel | Through-hardened, 58-62 HRC |
| Seals | 2RS (NBR rubber, both sides) | Contact seal, low friction |
| Clearance | CN (normal) | C3 available on request |
| Cage | Steel stamped | Centrifugal stability |
| Grease | Lithium complex NLGI 2 | -30°C to +150°C range |
These specs come from our in-house lab testing, cross-checked against SKF/NSK baselines. Tolerances: radial runout <7 microns.
Inside YIDI Motion: Why Our Factory Delivers Consistent Quality
Started in 2020, but our team brings 20+ years from bigger plants. 100 employees, 30% senior techs. German DMG Mori grinders, Japanese Okuma lathes—equipment you'd find at premium OEMs.
Monthly output: 200k small bearings like 6803 2RS. Full vertical integration: steel blanking to final packing. No outsourcing means no quality dips.
Exports to 50+ countries—US machine builders, Canadian automation firms, German robotics. We've optimized for FOB Tianjin, with DDP options for sensitive clients.
- 100% visual + dimensional inspection.
- Vibration testing on 20% sample batch.
- Traceability via QR code on every pallet.
One importer told us: "Your consistency beat our previous Taiwan source." That's the edge from daily refinements on the floor.
Where 6803 2RS Excels: Key Applications Across Industries
These bearings slot into tight spots. In hobby drones or RC models, they handle prop shaft loads quietly. Industrial side: stepper motor hubs, where low inertia matters.
Pumps and compressors love the sealed design—no grease leaks into fluids. Robotics joints benefit from the low torque drag. We've supplied for 3D printer gantries, reducing noise by half per client feedback.
Other fits: office copiers, medical pumps, automotive alternators. Axial thrust? Up to 10% Cr bidirectional.
Practical Installation and Maintenance Insights
Heat the housing to 80°C max for press-fit. Use induction heater—avoids seal damage. Shaft: polish to Ra 0.2. Never hammer directly.
Alignment key. Misalign by 0.5°? Expect 30% shorter life. Torque retainer nuts to 2-3 Nm.

Maintenance? Mostly set-it-forget-it. Monitor temp rise over 70°C signals issues. In dusty shops, inspect seals yearly.
Warning: Don't relube sealed types unless critical—pushing grease can blow seals.
Talk to Our Engineer for Fit AdviceGlobal Shipping: From Shijiazhuang to Your Door
FOB Tianjin port, 25-35 days sea to US West Coast. Air via Beijing, 7-10 days for urgent. 20' container holds 1.2M pcs—palletized foam-wrapped.
Packing: Individual poly bags, master cartons with silica gel. Humidity control critical for chrome steel.
MOQ 100 pcs for samples, 1k for production. Pricing tiers drop at 5k+. Duties? We provide full HTS codes.
Tracked via Maersk/CMA. Insurance included up to invoice value.
Certifications and Compliance
All 6803 2RS batches pass these. Full test reports on request. Conflict minerals free, per Dodd-Frank.
Procurement Guide: Evaluating 6803 2RS Suppliers
Check factory videos, not just pics. Ask for noise level data (under 3dB typical). Verify steel certs—GCr15 must hit 1.0% Cr min.
- Request 10-sample pack for torque testing.
- Audit load ratings against DIN 625.
- Confirm seal temp rating docs.
- Negotiate Incoterms early.
Avoid spot-market deals; build repeat for volume discounts.
What Importers Are Saying
Mike R., Operations Manager, Texas CNC Shop
"Switched to YIDI's 6803 2RS after local stockouts. Smoother runout, no failures in 6 months. Shipping beat promises."
Sarah L., Procurement Lead, California Robotics
"OEM run was flawless. Seals held in wet test cycles. Pricing 25% under competitor quotes."
John K., Supply Chain, Ontario Automation
"100k order arrived intact. Vibration specs spot-on. Will reorder."
Anna T., Project Engineer, Florida Pumps
"Perfect for submersible prototypes. No contamination issues. Fast engineering support."
Frequently Asked Questions on 6803 2RS
What is the max temperature for 6803 2RS seals?
120°C continuous. Short peaks to 150°C ok with proper grease.
Can I get these in stainless steel?
Yes, AISI440C version available. Add 40% to lead time.
MOQ and pricing?
100 pcs sample $2.50/ea. 10k+ at $1.20/ea FOB. Quote on request.
Compatible with NSK or SKF?
Direct drop-in. Same envelope dimensions, tolerances.
Shipping to USA?
Sea 25-35 days, DHL air 5-7 days. Duties calculated upfront.
Ready to Source Your 6803 2RS?
Get factory-direct pricing, samples, or custom specs. No obligations.
Get Instant Quote – Call +86 18134111662Email: adam@yidimotion.com | Hebei YIDI Import & Export Trading Co., Ltd.
16-1-1601 Aobeigongyuan, Chang'an District, Shijiazhuang City, Hebei Province, China
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