Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 6703 |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 |
| Feature | Long Life, High Speed, Low Noise |
| Stock | Rich Stocks |
| Clearance | C0 /C2/C3 |
| 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 | 17*23*4 mm |
| Trademark | NTN |
| Origin | China |
| HS Code | 8482102000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Automotive | Electric Motors, Engine Auxiliary Systems, Power Steering Pumps |
| Industrial Machinery | Small Pumps, Fans, Precision Gearboxes |
| Motor Manufacturing | AC/DC Motors, Servo Motors, Compressor Motors |
Stop Motor Failures — NTN 6703zz 6704zz 6705zz Deep Groove Ball Bearings for Reliable Performance
Motor manufacturers and maintenance teams know the cost of bearing failure: unplanned downtime, production line halts, and expensive repairs. Gray market bearings often lack proper traceability, leading to customs delays and quality disputes. Multi-layer distribution channels stretch delivery times by 30–50%, making it hard to align with production schedules.
Genuine NTN Bearings, In Stock and Ready to Ship
As an official NTN distributor, we provide 100% genuine NTN 6703zz, 6704zz, and 6705zz Deep Groove Ball Bearings with full traceability. Our WMS real-time inventory system ensures rich stocks for immediate fulfillment, eliminating the wait times of traditional supply chains. These bearings are engineered for high-speed automotive motors, delivering long life and low noise in critical applications.
Optimal Performance in High-Speed Motor Applications
NTN Deep Groove Ball Bearings excel in high-speed rotational environments typical of automotive motors. With a contact angle of 0°, they handle radial loads efficiently while maintaining stability at high RPMs. The 6703zz model, with dimensions 17*23*4 mm, is specifically designed for compact motor assemblies where space and weight are critical factors. Whether in electric vehicle drive motors or industrial power units, these bearings ensure consistent performance under continuous operation.
Technical Details That Define Motor Reliability
The performance of these bearings is defined by critical technical parameters. Precision ratings from P0 to P4 allow selection based on application accuracy requirements—P5 and P4 grades minimize vibration in high-precision motors. Clearance options (C0/C2/C3) accommodate thermal expansion in varying operating temperatures, preventing seizure during motor startup and shutdown cycles. The single-row, unseparated design ensures easy installation and maintenance, while bearing steel construction provides the durability needed to withstand the rigors of automotive and industrial motor environments.
Avoid Hidden Costs: The Value of Genuine Bearings
Counterfeit bearings may offer lower upfront prices, but they carry significant hidden costs. Poor material quality leads to premature fatigue, with failure rates up to 10 times higher than genuine NTN products. This results in unplanned downtime—costing manufacturers an average of $22,000 per hour in production losses. Genuine NTN bearings, backed by ISO 9001 quality standards, reduce total cost of ownership through extended service life and consistent performance, eliminating the need for frequent replacements and repairs.
Why Global Manufacturers Trust Our NTN Bearings
Our 10+ years of technical expertise and official NTN authorization ensure every bearing meets OEM specifications. We implement a three-level quality inspection system, with full product traceability from production to delivery. Serving clients in 50+ countries, we provide dedicated technical support—from model selection based on working conditions to installation guidance and failure analysis. Our global door-to-door logistics ensure reliable delivery, with a dedicated account manager tracking every order from warehouse to your facility.
Packaging & Shipping
- Original NTN packaging with protective carton and pallet reinforcement
- Stock items shipped within 3–7 business days
- Flexible logistics options: DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking number provided upon dispatch
- Minimum order quantity: 1 piece, supporting emergency maintenance needs
Get Your NTN Bearings Today
Don’t let bearing issues disrupt your production. Send us your model list, motor specifications, and order volume for a formal quotation within 24 hours. We support sample testing and small-batch trials to verify performance before full production orders. Secure your supply of genuine NTN bearings and keep your motors running at peak efficiency.
Frequently Asked Questions
Q: Are these genuine NTN bearings?
A: Yes, we are an official NTN authorized distributor. Every bearing comes with full traceability documentation and brand authorization certificates.
Q: How do I confirm if the 6703zz bearing fits my motor?
A: Provide your motor model or working condition parameters (load, speed, temperature), and our technical team will verify compatibility free of charge.
Q: What is your warranty policy?
A: We adhere to NTN’s original warranty standards, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece to support emergency maintenance and small-batch procurement needs.
Q: How long does shipping take?
A: In-stock items are shipped within 3–7 business days. We offer DHL, FedEx, UPS, air, and sea freight options based on your timeline requirements.
Q: How can I verify the authenticity of the bearings?
A: Each bearing includes NTN’s original packaging with防伪标签 (anti-counterfeit label), laser marking, and batch codes. We provide complete traceability documents for verification through NTN’s official channels.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.







