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 |
| Contact Angle | 0° |
| Transport Package | Carton Pallet |
| Specification | 17×40×12 mm |
| Trademark | NTN |
| Origin | China |
| HS Code | 8482102000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Automotive | Transmission systems, electric motors, wheel hubs, water pumps |
| Motors | AC/DC motors, servo motors, industrial drive systems |
| General Machinery | Conveyors, gearboxes, agricultural machinery, textile equipment |
| Rail Transit | Train bogies, auxiliary power units, door mechanisms |
Stop Production Delays with Genuine NTN 6203 Deep Groove Ball Bearings
Auto parts manufacturers lose thousands yearly to counterfeit bearings failing prematurely—costing line shutdowns, rework, and warranty claims. Multi-tier distribution channels stretch delivery times by 30–50%, leaving production schedules in limbo. Even minor bearing mismatches in automotive applications can lead to excessive vibration, noise, and shortened component life.
Genuine NTN 6203 Bearings: Traceable, In Stock, Ready for OEM Integration
As an official NTN distributor, we eliminate these risks with 100% genuine 6203 Deep Groove Ball Bearings (17x40x12mm) backed by full traceability documentation. Our WMS system maintains real-time inventory, ensuring your auto parts production lines never wait for critical components. Each bearing undergoes ISO 9001 compliant three-level quality inspection before shipping, guaranteeing batch consistency for automotive OEM requirements.
Optimized Performance for Automotive and Industrial Applications
The NTN 6203 bearing excels in high-speed radial load applications typical in automotive transmissions and electric motor assemblies. Its 17mm bore, 40mm outer diameter, and 12mm width make it ideal for compact installations where space and weight are constrained. Operating at temperatures compatible with engine compartments and industrial environments, this single-row, non-aligning bearing delivers reliable performance under continuous use.
Technical Specifications That Matter for Your Equipment
Precision rating options (P0 to P4) allow customization for specific automotive tolerances—P5/P4 grades reduce vibration in electric motor applications, while P0 suits general machinery needs. Seal variants (Zz, 2RS, Open) address different environmental demands: 2RS seals provide effective dust and moisture resistance for wheel hub applications, while open designs optimize heat dissipation in high-speed motors. Vibration classes (Z1V1 to Z3V3) ensure quiet operation critical for passenger vehicle comfort. The 0° contact angle confirms pure radial load capability, aligning with transmission and conveyor system requirements.
Why Genuine NTN Bearings Lower Your Total Cost of Ownership
Counterfeit 6203 bearings often cut corners on material quality and heat treatment, failing within 30% of the expected service life. A single transmission failure due to fake bearings can cost $5,000+ in repairs and lost production—eclipsing any initial price savings. Our genuine NTN bearings, traceable to the original manufacturing batch, meet OEM standards for fatigue life and dimensional stability, reducing long-term maintenance costs. Full export documentation ensures customs clearance without delays, avoiding costly port storage fees.
Our Commitment to Your Production Success
With over 10 years serving automotive OEMs across 50+ countries, we bring unmatched expertise to your bearing procurement. Our technical team provides application-specific guidance—whether selecting seals for dusty agricultural equipment or precision grades for high-speed motor spindles. As an authorized distributor, we offer flexible OEM customization, including private labeling and packaging to match your production line needs. Our dedicated account managers track every order from warehouse to delivery, providing real-time visibility so you can plan production with confidence.
Packaging & Shipping
- NTN original packaging with batch traceability labels, outer carton reinforcement for bulk orders
- Stock items shipped within 3–7 business days from Shanghai warehouse
- Global door-to-door logistics via DHL, FedEx, UPS, or sea/air freight as needed
- Full tracking provided from dispatch to delivery
- Minimum order quantity: 1 piece for emergency repairs, bulk pricing available for production runs
Secure Your NTN 6203 Bearings Today
Every day without reliable bearings costs production time and revenue. Send us your order volume, application details, and required seal/precision options—we’ll issue a formal quotation with authorization certificates within 24 hours. Our sample testing support ensures compatibility before full production commitment, minimizing your risk.
Frequently Asked Questions
Q: Are these genuine NTN bearings?
A: Yes, we are an official NTN authorized distributor. Every 6203 bearing comes with complete traceability documentation linking to NTN’s original manufacturing batch, and we can provide brand authorization certificates upon request.
Q: How do I confirm if the 6203 17x40x12mm bearing fits my equipment?
A: Share your equipment model, operating speed, and load conditions with our technical team. We’ll verify compatibility and recommend the optimal seal type and precision grade for your specific application.
Q: What is your warranty policy?
A: All NTN bearings are covered by the manufacturer’s warranty against defects in materials and workmanship. We handle all warranty claims directly with NTN, providing replacement or refund for verified manufacturing issues.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece to support emergency repairs, with tiered pricing available for bulk OEM production quantities.
Q: How quickly can you ship to [my country]?
A: Stock items ship within 3–7 business days. Transit times depend on location—typically 3–5 days via express courier to major cities in Southeast Asia, Europe, and North America.
Q: How can I verify the authenticity of the bearings?
A: Each bearing includes NTN’s laser-etched logo and batch code. We provide original packaging with security features and full traceability documents. You can cross-verify batch information through NTN’s official channels using the documentation we supply.
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