Product Specifications
| Parameter |
Details |
| Model NO. |
NAV4909 |
| Load Direction |
Radial Bearing |
| Style |
Without Outer Ring, Without Inner Ring |
| Material |
Bearing Steel |
| Type |
Closed |
| Product Name |
Needle Roller Bearing |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Clearance |
C0 C3 C4 |
| Delivery Time |
3-7days |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
45*68*22 mm |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482102000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Presses, Gearboxes |
| Manufacturing |
CNC Machines, Spindles, Conveyors |
| Automotive |
Transmission Systems, Axle Assemblies |
| Agricultural Machinery |
Harvesters, Tractors, Tillers |
| New Energy |
Wind Turbines, Solar Panel Equipment |
Prevent Costly Downtime with Precision NAV4909 Needle Roller Bearings for Industrial Machinery
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. Low-quality bearings often fail prematurely, leading to production halts, missed deadlines, and expensive repairs. Sourcing reliable needle roller bearings with precise specifications can be challenging, especially when dealing with minimum order quantities and long lead times that delay maintenance.
NAV4909 Needle Roller Bearings: Engineered for Reliable Industrial Performance
Our Needle Roller Bearings NAV4909-NAV4914 series addresses these challenges with P0-P4 precision ratings and a compact 45x68x22mm design, ideal for industrial machinery where space and load capacity are critical. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure consistent quality through rigorous R&D and QC processes. Whether for machine tools, gearboxes, or conveyors, these radial needle bearings deliver the durability needed to keep your equipment running.
Optimal Performance in Demanding Industrial Environments
Designed as closed-type radial bearings without inner or outer rings, the NAV4909 series excels in applications requiring high radial load capacity within limited space. These bearings operate efficiently with either grease or oil lubrication, making them suitable for diverse industrial conditions—from high-speed machine tool spindles to heavy-duty agricultural equipment. Their bearing steel construction ensures resistance to wear, even under continuous operation, reducing the need for frequent replacements.
Key Technical Features That Enhance Machinery Efficiency
The precision rating of P0-P4 directly impacts operational accuracy; higher precision (P4) minimizes vibration and noise, critical for precision machining applications. Clearance options (C0, C3, C4) allow customization based on thermal expansion needs—C3 and C4 clearances accommodate higher temperatures, preventing seizure in hot-running equipment. The closed design protects internal components from contaminants, extending service life in dusty manufacturing environments. With a production capacity of 1,000,000 units, we ensure stable supply for both small repairs and large-scale production.
Long-Term Value: Choosing Quality Over Short-Term Savings
Opting for uncertified needle roller bearings may seem cost-effective initially, but the hidden costs add up. Premature failures cause production downtime, while poor precision increases energy consumption and tool wear. Our bearings, backed by a 12-month global warranty, reduce total cost of ownership by delivering consistent performance and reliable after-sales support. Each unit meets international standards, ensuring compatibility with existing industrial machinery and reducing the risk of mismatched components.
Why Industrial Buyers Partner With Us
With 18 years of experience serving global buyers across Europe, America, and Southeast Asia, we prioritize customer trust through transparent practices. Our OEM/ODM capabilities allow customization to specific machinery requirements, while flexible orders (1pc MOQ for standard items) support urgent repairs. Free samples (buyer covers freight) enable testing before full deployment, and our 3-5 day sample lead time ensures minimal delays. Technical guidance is provided free of charge, helping you select the right precision rating and clearance for your application.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- 3-7 day delivery time for standard orders, ensuring quick replacement
- Multiple logistics options including DHL, FedEx, UPS, air, and sea freight
- Real-time tracking numbers provided for all shipments
- 1pc minimum order quantity, ideal for emergency repairs and small-batch needs
Get Your NAV4909 Bearings Shipped Fast
Don’t let bearing issues disrupt your production schedule. Whether you need a single replacement or bulk order, our ready-to-ship inventory ensures you get the NAV4909 needle roller bearings you need when you need them. Contact us today with your specifications, and we’ll help you maintain uninterrupted operations.
Frequently Asked Questions
Q: Are these needle roller bearings genuine and traceable?
A: Yes, all our bearings are manufactured in-house under ISO9001/ISO14001 standards, with full traceability from raw materials to production.
Q: How do I confirm if the NAV4909 is compatible with my machinery?
A: Provide your equipment model or operating parameters (load, speed, temperature), and our technical team will verify compatibility free of charge.
Q: What is the warranty coverage for these bearings?
A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund for non-conforming products.
Q: What is the minimum order quantity for the NAV4909?
A: Standard items have a 1pc MOQ, supporting both emergency repairs and small-batch purchases.
Q: How quickly can I receive my order?
A: Samples ship within 3-5 days, and bulk orders within 5-15 days, with expedited shipping options available.
Q: Can you provide custom bearings for specific applications?
A: Yes, we offer full OEM/ODM customization, including precision ratings, clearances, and materials, tailored to your requirements.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
