Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 6203 |
| Seals Type | ZZ 2RS Open |
| 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 |
| Transport Package | Carton Pallet |
| Specification | 17*40*12 mm |
| Trademark | NTN |
| Origin | Japan |
| HS Code | 8482102000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Automotive | Electric Motors, Alternators, Water Pumps |
| Manufacturing | Conveyor Systems, Machine Tool Spindles, Gearboxes |
| General Machinery | Compressors, Fans, Pumps, Agricultural Machinery |
Stop Production Delays with Genuine NTN 6203 Deep Groove Ball Bearings
Counterfeit bearings in automotive motor applications often fail prematurely, causing unexpected downtime and production line shutdowns. Multi-tier distribution channels stretch delivery times by 30-50%, making it difficult to align with maintenance schedules. Without proper technical support, selecting the wrong bearing规格 can lead to increased energy consumption and shortened equipment lifespan.
Genuine NTN 6203 Bearings: In Stock and Traceable
As an official NTN distributor, we provide 100% genuine NTN 6203 deep groove ball bearings with full traceability documentation. Our WMS real-time inventory system ensures immediate availability for automotive motor manufacturers and maintenance providers. Each bearing undergoes a three-level quality inspection under ISO 9001 standards, guaranteeing batch consistency for critical applications like motor spindles and conveyor systems.
Optimal Performance in Automotive Motor Applications
The NTN 6203 bearing excels in high-speed radial load environments typical of automotive electric motors. With a 17x40x12mm dimension and precision ratings from P0 to P4, it maintains stable operation under continuous rotational stress. The ZZ (metal shielded) and 2RS (rubber sealed) options provide flexibility for different contamination and lubrication requirements, ensuring reliable performance in both enclosed and semi-open motor housings.
Technical Details That Maximize Motor Efficiency
The single-row deep groove design of the NTN 6203 bearing enables it to handle radial loads efficiently while accommodating moderate axial loads in both directions. Precision ratings (P0-P4) directly impact rotational accuracy—P4 grade reduces vibration (Z1V1-Z3V3 classes) for low-noise motor operation. The unseparated construction ensures easy installation, while bearing steel material provides durability at operating temperatures up to 120°C. Proper lubrication (grease or oil) selection further extends service life in continuous-duty motor applications.
Why Genuine NTN Bearings Reduce Total Cost of Ownership
Non-genuine NTN 6203 bearings may cost 30% less upfront but often fail within 3000 operating hours, leading to $2,000+ in downtime costs per motor failure. Our authentic bearings, backed by NTN’s engineering standards, typically achieve 15,000+ hours of service in automotive motor applications. Complete traceability documentation eliminates customs clearance delays and quality liability disputes, while our ISO 9001 compliant inspection process ensures each bearing meets original equipment specifications.
Why Global Manufacturers Trust Our NTN Supply
With 10+ years as an authorized NTN distributor, we serve OEM factories and maintenance providers across 50+ countries. Our dedicated technical team offers free model selection support based on working conditions, helping customers avoid costly application mismatches. We maintain centralized inventory with real-time stock visibility, enabling door-to-door delivery within 3-7 days to major automotive manufacturing hubs. All exports include complete documentation packages, including origin certificates and material test reports, to streamline customs clearance.
Packaging & Shipping
- Original NTN packaging with product traceability labels and batch information
- Carton pallet packaging for bulk orders, ensuring damage-free transportation
- Global door-to-door logistics via DHL, FedEx, UPS, air freight, or sea freight
- Real-time shipment tracking provided from warehouse dispatch to delivery
- Flexible order quantities: 1 piece for emergency repairs, bulk discounts for OEM production
Get Your NTN 6203 Bearings Delivered Fast
Don’t let bearing issues disrupt your production schedule. Send us your NTN 6203 bearing requirements, including seal type (ZZ/2RS), precision grade (P0-P4), and quantity. Our team will provide a formal quotation with traceability certificates within 24 hours, with stock available for immediate dispatch.
Frequently Asked Questions
Q: Are these authentic NTN bearings?
A: Yes, we are an official authorized NTN distributor. Every NTN 6203 bearing comes with complete traceability documentation and brand authorization certificates.
Q: How do I confirm if the 6203 bearing fits my motor?
A: Provide your motor model or operating parameters (load, speed, temperature), and our technical team will verify compatibility with the NTN 6203 specifications.
Q: What is your warranty policy?
A: We offer NTN’s standard manufacturer warranty. Any manufacturing defects will be replaced unconditionally with supporting documentation.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece to support emergency maintenance, with volume pricing available for OEM production batches.
Q: How long does shipping take to Europe/North America?
A: In-stock NTN 6203 bearings ship within 3-7 business days via express courier to major destinations.
Q: How can I verify the bearing’s authenticity?
A: Each bearing includes NTN’s laser-etched part number, packaging with security labels, and we provide batch traceability reports upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.







