Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | N303EM |
| Material | Bearing Steel |
| Spherical | Non-Aligning Bearings |
| Load Direction | Radial Bearing |
| Separated | Separated |
| Product Name | Cylindrical Roller Bearing |
| Structure | Cylindrical |
| Seals Type | Open |
| Lubricate | Oil Grease Dry |
| Precision Rating | P0 P6 P5 P4 P2 |
| Number of Row | Single Row |
| Service | OEM ODM |
| Transport Package | Carton Pallet |
| Specification | 17*47*14mm |
| Trademark | SKF NSK NTN TIMKEN KOYO |
| Origin | China |
| HS Code | 8482500090 |
| Production Capacity | 100000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Automotive | Transmissions, Gearboxes, Electric Motors |
| General Machinery | Industrial Gearboxes, Pumps, Compressors |
Stop Production Delays with Genuine N303EM N304EM N305EM Cylindrical Roller Bearings
Many OEM manufacturers face unexpected downtime due to counterfeit bearings failing prematurely or delayed deliveries disrupting production schedules. When critical machinery components like cylindrical roller bearings fail, the cost of lost production often far exceeds the initial savings from non-authorized suppliers.
Genuine NTN Cylindrical Roller Bearings with Full Traceability
As an official NTN distributor, we provide 100% genuine Cylindrical Roller Bearings including N303EM, N304EM, and N305EM models, each with complete traceability documentation. Our three-level ISO 9001 compliant quality inspection system ensures every bearing meets OEM specifications, eliminating the risk of counterfeit products that plague gray-market channels.
Optimal Performance in Automotive and Industrial Machinery
These Open Type Cylindrical Roller Bearings are engineered for radial load applications in automotive machinery and general industrial equipment. The separated design allows for easy mounting and dismounting, making them ideal for gearboxes, motors, and rotating shafts where high radial load capacity and moderate speeds are required. Their single row structure balances performance and installation flexibility in constrained spaces.
Technical Details That Ensure Reliable Operation
The N303EM bearing features a 17mm bore diameter, 47mm outer diameter, and 14mm width, providing a compact solution for radial load management. Available precision ratings from P0 to P2 allow customization based on application requirements—P5 and P4 grades suit high-speed machinery where reduced vibration and noise are critical, while P0 offers cost-effective reliability for general applications. The bearing steel construction ensures durability under continuous operation, supported by flexible lubrication options including oil, grease, or dry running configurations.
Why Authentic Bearings Reduce Total Cost of Ownership
Non-genuine Radial Cylindrical Bearings often fail within 30-50% of the expected service life, leading to unscheduled maintenance, production downtime, and potential damage to connected components. Our NTN Cylindrical Roller Bearings for Machinery undergo rigorous testing to ensure batch consistency, reducing the risk of premature failure. With complete export documentation, they streamline customs clearance and eliminate compliance-related delays that cost manufacturers thousands in lost production time.
Our Commitment to OEM Supply Excellence
With over 10 years of technical expertise, we support clients across 50+ countries with dedicated OEM services. Our WMS real-time inventory system ensures stock availability for N303EM, N304EM, and N305EM bearings, while a professional technical team provides application-specific guidance—from model selection to installation best practices. We offer flexible OEM customization and global door-to-door logistics, with dedicated account managers tracking every order from warehouse to delivery.
Packaging & Shipping
- Carton and pallet packaging designed for secure transportation
- Standard delivery within 3-7 business days for in-stock items
- Global shipping options including DHL, FedEx, UPS, air, and sea freight
- Real-time logistics tracking provided for all orders
- Minimum order quantity of 1 piece to support emergency maintenance needs
Get Your NTN Cylindrical Roller Bearings Today
To avoid production line disruptions, send us your bearing model list, application parameters, and required quantity. Our team will issue a formal quotation with brand authorization documents within 24 hours, supporting sample testing and small-batch trials before full production orders.
Frequently Asked Questions
Q: Are these genuine NTN bearings?
A: Yes, we are an official authorized NTN distributor. Every bearing comes with complete traceability documentation to ensure authenticity.
Q: How can I confirm the correct bearing model for my equipment?
A: Provide your equipment model or application parameters (load, speed, temperature), and our technical team will verify the optimal bearing selection.
Q: What is your warranty policy?
A: We adhere to NTN’s official warranty standards, offering unconditional replacement for any manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece to accommodate emergency maintenance requirements.
Q: How quickly can you ship the bearings?
A: In-stock items are shipped within 3-7 business days, with flexible logistics options including express, air, and sea freight.
Q: How can I verify the authenticity of the bearings?
A: Each bearing includes NTN’s original packaging with防伪标签, laser marking, and serial numbers verifiable through official channels. We provide complete traceability certificates upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
