Bearing 686
6 × 13 × 5 mm · Single Row · Miniature Series
Precision-engineered miniature bearing built for compact, high-speed and low-noise operation. Trusted across power tools, drones, medical devices, and smart home appliances worldwide.
Engineered to exact tolerances.
Detailed parameters for design engineers and procurement teams.
Dimensional Parameters
- Inner Diameter (d)
- 6 mm
- Outer Diameter (D)
- 13 mm
- Width (B)
- 5 mm
- Weight
- ~ 2.6 g
- Chamfer (rs min)
- 0.15 mm
- Cage Material
- Steel / Nylon
Performance Ratings
- Dynamic Load Rating (Cr)
- 1.11 kN
- Static Load Rating (C0r)
- 0.46 kN
- Limit Speed (Grease)
- 53,000 rpm
- Limit Speed (Oil)
- 63,000 rpm
- Operating Temp.
- -40°C ~ 120°C
- Precision Class
- P0 / P6 / P5
Compatible miniature series.
Open, double metal shielded, and double rubber sealed options.
GCr15, AISI 440C, and Si3N4 ceramic ball variants available.
Choose precision grade based on rotational accuracy needs.
Built from the inside out.
Every 686 bearing undergoes a rigorous multi-stage manufacturing process -- from premium raw material selection to micron-level finishing -- ensuring consistent quality batch after batch.
Discuss Material OptionsGCr15 Chrome Steel
High-carbon chromium bearing steel, vacuum degassed for cleanliness and fatigue resistance.
Heat Treatment
Controlled hardening and tempering process achieves HRC 58-65 surface hardness.
Precision Grinding
Raceways finished to Ra ≤ 0.05 μm for low friction and quiet running.
100% Inspection
Noise, vibration, and dimensional checks under ISO 9001 / TS 16949 standards.
Where the 686 performs.
Trusted by manufacturers across high-precision and miniature-motion industries.
Why engineers choose the 686.
Ultra-Low Noise
Z1V1 / Z2V2 / Z3V3 noise grades available -- ideal for quiet appliances and medical devices.
High-Speed Capable
Operates reliably up to 63,000 rpm with oil lubrication for high-frequency applications.
Long Service Life
Extended L10 fatigue life through optimized internal geometry and premium steel.
Stable Supply
Large stock inventory, fast delivery to 50+ countries, batch consistency guaranteed.
Real-world performance, proven.
Ready stock. Fast dispatch.
Our climate-controlled warehouses store millions of bearings, ready for same-week shipment to clients in 50+ countries.
Trusted by global buyers.
"The 686 bearings arrived perfectly packaged and matched the spec sheet exactly. Quiet operation in our power tool line."
"Consistent batch quality across multiple orders. Lead time was faster than promised -- will definitely reorder."
"Excellent communication on WhatsApp. Got the quote and shipping documents within hours, very professional."
"The bearings have been running smoothly in our textile machinery for over 8 months without any issues."
"Sample arrived quickly and matched our drone application requirements perfectly. Bulk order placed within a week."
"Great packaging, fast shipping, and the certification documents were all in order. Smooth import process."
Common questions, answered.
What is the minimum order quantity (MOQ) for bearing 686? +
Standard MOQ is 100 pieces. For trial orders, smaller quantities can be discussed via WhatsApp.
What is the typical lead time? +
In-stock items ship within 3-5 business days. Custom or modified specifications take 2-4 weeks.
Are samples available before bulk ordering? +
Yes. Samples are provided for evaluation. Free samples are available for confirmed orders above $50,000.
Which seal and material variants are available? +
Available in open, ZZ (metal shielded), and 2RS (rubber sealed) variants. Materials include chrome steel, stainless steel, and ceramic hybrid.
Which countries do you ship to? +
We ship globally to over 50 countries via DHL, FedEx, UPS, sea freight, and air freight, with full export documentation.
Do you provide quality certifications? +
All bearings are produced under ISO 9001 and TS 16949 certified processes. Test reports and certificates of origin are provided with every shipment.
Ready to order bearing 686? Get your quote in minutes.
Message us directly on WhatsApp for fast quotes, stock availability, and customized solutions for your application.