Product Specifications
| Parameter |
Details |
| Model NO. |
NA4914 |
| 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 |
3-7 days |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
70*100*30 mm |
| Origin |
China |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Gearboxes, Reducers, Printing Machines |
| Automotive |
Transmission Systems, Drivetrains |
| Agricultural Machinery |
Tractors, Harvesters |
| Engineering Equipment |
Excavators, Conveyors |
Reduce Downtime with Reliable Needle Roller Bearing NA4914 for Industrial Machinery
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When a radial bearing fails prematurely, production lines halt, maintenance costs rise, and deadlines are missed. Sourcing precision bearings that meet exact specifications while balancing MOQ requirements and delivery speed adds another layer of complexity to keeping operations running smoothly.
Precision Engineered NA4914 Needle Roller Bearing Delivered On Time
The Needle Roller Bearing NA4914 addresses these challenges with its 70x100x30mm dimensions and P0-P4 precision ratings, designed to fit industrial machinery applications requiring reliable radial load support. With over 18 years of manufacturing experience, our production lines ensure consistent quality, while our flexible order policy allows for 1 piece MOQ on standard bearings—perfect for emergency replacements or small-batch requirements. Sample orders ship within 3-5 working days, ensuring you get the parts you need without unnecessary delays.
Optimal Performance in Demanding Industrial Environments
This radial bearing excels in high-load, moderate-speed industrial applications where space is limited. Its needle roller design provides high radial load capacity relative to its compact size, making it ideal for gearboxes, printing machines, and reducer systems in manufacturing facilities. The closed type construction helps contain lubrication and prevent contamination, ensuring stable performance even in dusty or debris-prone environments. Whether operating in textile machinery or agricultural equipment, the NA4914 bearing delivers consistent rotation under varying load conditions.
Key Technical Features That Ensure Long Service Life
The NA4914’s precision rating options (from P0 to P4) allow customization based on application requirements—P4 for high-precision machinery like CNC spindles, and P0 for general industrial use. Bearing steel construction provides excellent durability and wear resistance, while clearance options (C0, C3, C4) accommodate thermal expansion and installation needs. Proper clearance selection prevents premature failure due to tight fits, especially in high-temperature operations. The bearing’s lubrication flexibility (grease or oil) allows adaptation to specific speed and temperature requirements, further extending service life when matched correctly to operating conditions.
Why Genuine Bearings Matter for Total Cost of Ownership
Choosing genuine precision bearings over counterfeit alternatives significantly reduces long-term costs. Inferior bearings often fail within months, leading to repeated replacement cycles, unplanned downtime, and potential damage to mating components. Our NA4914 needle roller bearings undergo strict quality control processes, including dimensional detection and performance testing, ensuring compliance with ISO industrial standards. While initial costs may be slightly higher, the extended service life and reduced maintenance needs result in lower total cost of ownership over time—critical for industrial operations where reliability directly impacts profitability.
Our Commitment to Reliable Bearing Solutions
With ISO 9001:2015 and ISO 14001 certifications, we maintain rigorous quality management systems throughout production. Our in-house laboratory conducts comprehensive performance tests, including service life experiments, to ensure each bearing meets specifications. As a professional manufacturer with global export experience, we offer OEM/ODM customization to adjust dimensions or materials according to customer drawings. Our technical team provides free guidance on bearing selection, installation, and maintenance, helping you optimize bearing performance in your specific application. With production capacity exceeding 1,000,000 units annually, we ensure stable supply even for large-scale requirements.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3-7 days delivery time for standard orders
- Multiple logistics options including express, air, and sea freight
- Real-time tracking information provided for all shipments
- 1 piece minimum order quantity for standard bearings
Get Your NA4914 Bearing Today
Don’t let bearing issues disrupt your production schedule. Whether you need a single replacement or bulk order, we’re ready to fulfill your requirements. Provide your application details and quantity, and our team will confirm compatibility and deliver a quote within 24 hours. The sooner you order, the sooner you can restore optimal performance to your industrial machinery.
Frequently Asked Questions
Q: Is this a genuine Saifan bearing?
A: Yes, all our bearings are manufactured in our Jinan facility under strict quality control, with full traceability throughout the production process.
Q: How do I confirm if the NA4914 is suitable for my equipment?
A: Provide your equipment model, operating speed, load conditions, and temperature range. Our technical team will verify compatibility and recommend the appropriate precision and clearance等级.
Q: What warranty coverage do you offer?
A: We provide a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund for qualified issues.
Q: What is the minimum order quantity for the NA4914 bearing?
A: Standard bearings have a 1 piece MOQ, allowing for emergency repairs or small-batch testing before full-scale orders.
Q: How quickly can I receive my order?
A: Sample orders ship within 3-5 working days, while bulk orders typically deliver in 5-15 working days depending on quantity.
Q: How can I ensure the bearing I receive is not counterfeit?
A: All products include manufacturing batch numbers and comply with ISO standards. We can provide test reports and certification documents upon request to verify authenticity.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
