Product Specifications
| Parameter |
Details |
| Model NO. |
6706 6707 6708 |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 |
| Vibration |
Z1V1 Z2V2 Z3V3 |
| Service |
OEM ODM |
| Aligning |
Non-Aligning Bearing |
| Separated |
Unseparated |
| Rows Number |
Single |
| Load Direction |
Radial Bearing |
| Material |
Bearing Steel |
| Contact Angle |
0° |
| Transport Package |
Carton Pallet |
| Specification |
30×37×4mm / 35×44×5mm / 40×50×6mm |
| Trademark |
NSK |
| Origin |
Japan |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Robotics |
Industrial Robotic Arms, Collaborative Robots, Automated Guided Vehicles (AGVs) |
| Manufacturing |
Precision Assembly Lines, CNC Machine Tools, Automated Handling Systems |
| Automation |
Robotic End Effectors, Servo Motors, Linear Actuators |
| Electronics |
Semiconductor Manufacturing Equipment, PCB Assembly Robots |
Eliminate Robotic Downtime with Precision Deep Groove Ball Bearings 6706 6707 6708
Robot manufacturers and integrators know the frustration: unexpected bearing failure brings production lines to a halt, costing thousands in downtime. Many struggle with bearings that can’t handle the high precision and repeatability required for robotic applications, or face long lead times when sourcing replacement parts. The wrong bearing choice compromises positional accuracy, increases noise, and shortens equipment lifespan.
Reliable Deep Groove Ball Bearings for High-Precision Robot Applications
Our Deep Groove Ball Bearing 6706, 6707, and 6708 series are engineered to solve these challenges. With precision grades from P0 to P4 and vibration levels up to Z3V3, these bearings deliver the stability and low noise critical for robotic joints and actuators. As a professional bearing supplier with decades of export experience, we ensure consistent quality through strict incoming material inspections and full-process production supervision, backed by ISO 9001:2015 certification.
Optimized Performance in Robotic Operating Conditions
Robotic systems demand bearings that perform under constant start-stop cycles, radial loads, and precise angular movements. The 6706 (30×37×4mm), 6707 (35×44×5mm), and 6708 (40×50×6mm) models feature a single row design with 0° contact angle, ideal for pure radial load applications common in robotic arm joints and conveyor systems. Their unseparated construction ensures easy installation and maintenance, while bearing steel material provides the durability needed for continuous operation in industrial environments.
Technical Features That Enhance Robotic Precision
The precision rating directly impacts robotic performance: P4 grade bearings offer tighter tolerances for reduced runout, ensuring accurate positioning in pick-and-place operations. Vibration class Z3V3 minimizes operational noise, critical for collaborative robots working alongside human operators. The choice between grease or oil lubrication allows customization for specific speed requirements—grease for moderate speeds and oil for high-speed robotic spindles. These technical details translate to longer bearing life, reduced maintenance, and consistent robot performance over time.
Why Genuine Bearings Matter for Robotic Systems
Counterfeit bearings may save upfront costs but often fail prematurely, leading to unexpected robot downtime. A single bearing failure in a robotic arm can halt an entire production line, resulting in losses far exceeding the initial savings. Our genuine NSK bearings meet ISO, ABMA, and DIN international standards, ensuring reliable performance and compatibility with original equipment. With a 12-month warranty and free replacement for qualified defective products, we help minimize total cost of ownership by reducing unplanned maintenance and downtime.
Why Choose Saifan for Your Robot Bearing Needs
With over 18 years of bearing manufacturing and export experience, Saifan Bearings serves global clients across Europe, North America, and Southeast Asia. Our in-house laboratory conducts dimensional detection, noise testing, and service life experiments to guarantee performance. We support flexible order quantities, including 1 piece MOQ for standard bearings, with sample orders shipped in 3-5 working days. Our professional technical team provides free guidance on bearing selection and installation, ensuring you get the right bearing for your specific robotic application. Certified with ISO 9001:2015 and ISO 14001, we maintain strict quality control from raw material to finished product.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- Sample orders delivered within 3-5 working days
- Bulk orders shipped in 5-15 working days
- Multiple logistics options including express, air, and sea freight
- Real-time tracking provided for all shipments
- 1 piece MOQ available for standard bearings, ideal for emergency replacements
Get Your Robot Bearings Shipped Today
Don’t let bearing issues slow down your robotic systems. Send us your bearing model, required precision grade, and quantity, and our team will prepare a quote within 24 hours. With in-stock availability for standard models, we can get your robots back to work quickly—minimizing downtime and keeping your production on schedule.
Frequently Asked Questions
Q: Are these genuine NSK bearings?
A: Yes, we supply genuine original NSK bearings, with full traceability to ensure authenticity. We can provide official authorization documentation upon request.
Q: How do I confirm if the 6706/6707/6708 bearing fits my robot?
A: Provide your robot model, application details (load, speed, operating conditions), or existing bearing dimensions, and our technical team will verify compatibility free of charge.
Q: What is the warranty period for these bearings?
A: All products come with a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund options.
Q: What is the minimum order quantity?
A: We offer a flexible 1 piece MOQ for standard bearings, supporting both small-scale maintenance and large-volume production needs.
Q: How quickly can I receive my order?
A: Sample orders ship within 3-5 working days, while bulk orders take 5-15 working days. We work with DHL, FedEx, and other carriers for fast global delivery.
Q: How can I verify the authenticity of the bearings?
A: Genuine NSK bearings feature laser-etched markings, packaging with security labels, and unique serial numbers that
Quality Assurance
100% Inspection
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Delivery
3-15 Days
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
Customization
Full OEM/ODM
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
After-Sales
12-Month Warranty
Professional technical guidance and failure solutions from our R&D team.
