Product Specifications
| Parameter |
Details |
| Model NO. |
NA4911 |
| 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 |
55*80*25 mm |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482102000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Auto Parts Manufacturing |
Transmission Systems, Gearboxes |
| Agricultural Machinery |
Harvesters, Tractors |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
| Home Appliances |
Motors, Pumps |
Stop Equipment Downtime with NA4911 Needle Roller Bearing for Industrial Machinery
Industrial machinery operators know the frustration of unexpected downtime—especially when it’s caused by bearing failures. Low-quality bearings often fail prematurely under heavy loads, leading to production delays and costly repairs. Sourcing precision bearings with reliable delivery and consistent quality can be a challenge, especially when dealing with multiple suppliers or minimum order requirements that don’t fit your needs.
NA4911 Needle Roller Bearing: Precision Engineered for Reliable Performance
Our NA4911 Needle Roller Bearing addresses these pain points with its P0-P4 precision rating and robust design, ideal for industrial machinery like machine tools and reducers. As an integrated manufacturer with over 15 years of experience, we ensure each bearing meets strict quality standards through our in-house R&D and QC lab. With a 1pc MOQ for standard items and 3-7 days delivery, we support both emergency repairs and regular production needs without compromising on lead time.
Optimized for Heavy-Duty Industrial Applications
The NA4911 Needle Roller Bearing is engineered to handle radial loads in high-stress environments, making it perfect for industrial machinery operating under continuous rotation. Its 55x80x25mm dimension and closed type design provide stability in applications like printing equipment and gearboxes, where precision and durability directly impact operational efficiency. The bearing’s compatibility with both grease and oil lubrication allows flexibility across different working conditions, ensuring consistent performance even in varying temperatures.
Technical Features That Drive Performance
Three key technical specifications set this bearing apart: precision rating, clearance options, and material quality. The P0-P4 precision range ensures minimal vibration and noise, critical for high-speed machinery where accuracy is paramount. Clearance options (C0, C3, C4) allow customization based on thermal expansion needs, preventing premature wear in temperature-fluctuating environments. Crafted from high-grade bearing steel, the NA4911 offers excellent wear resistance, extending service life and reducing replacement frequency—ultimately lowering long-term maintenance costs.
Why Quality Bearings Matter for Your Bottom Line
Choosing substandard needle roller bearings may seem cost-effective initially, but the hidden costs add up quickly. Early failures lead to unplanned downtime, expensive repairs, and potential damage to adjacent components. Our bearings, backed by ISO9001 and ISO14001 certifications, meet global industry standards, ensuring reliable performance and reducing the risk of production interruptions. With a 12-month global warranty and defect replacement policy, we stand behind our products, helping you avoid the financial impact of bearing-related issues.
Your Trusted Partner for Bearing Solutions
At Jinan Saifan Bearing, we’ve built our reputation on reliability and technical expertise. Since 2005, we’ve served global buyers across Europe, America, and Southeast Asia, delivering over 1 million bearings annually. Our full OEM/ODM capabilities mean we can customize bearings to your exact specifications, while our strict confidentiality protocols protect your designs. We provide free technical guidance to ensure proper installation and performance, and our responsive after-sales team ensures quick resolution to any issues. With free samples (buyer covers freight) and flexible payment options including T/T and Alibaba trade, we make the procurement process seamless.
Packaging & Shipping
- Secure packaging in carton pallets to prevent damage during transit
- 3-7 days delivery time for standard items, ensuring quick turnaround for urgent needs
- Multiple logistics options including DHL, FedEx, UPS, air, and sea freight to match your timeline and budget
- Real-time tracking provided for all shipments, keeping you informed of delivery status
- 1pc minimum order quantity, supporting both small-scale repairs and bulk production requirements
Order Your NA4911 Needle Roller Bearing Today
Don’t let bearing issues slow down your operations. Whether you need a single replacement or bulk order, we’re ready to fulfill your request. Send us your bearing model, application details, and quantity, and our team will provide a quote within 24 hours. With our stable supply and competitive pricing, we’re here to keep your machinery running smoothly.
Frequently Asked Questions
Q: Are these bearings authentic and reliable?
A: Yes, all our bearings are manufactured in-house under strict quality control processes and hold ISO9001 & ISO14001 certifications. We provide full traceability for each product.
Q: How do I confirm if the NA4911 is suitable for my equipment?
A: Provide your equipment model, load requirements, and operating conditions, and our technical team will verify compatibility and offer guidance at no cost.
Q: What is your warranty policy?
A: We offer a 12-month global warranty. If a bearing fails due to manufacturing defects, we provide free replacement or refund.
Q: What is the minimum order quantity?
A: For standard items like the NA4911, the minimum order quantity is 1 piece, ideal for emergency repairs.
Q: How long does shipping take?
A: Standard delivery is 3-7 days. We also offer expedited shipping options for urgent orders.
Q: Can you customize bearings to specific requirements?
A: Yes, we offer full OEM/ODM customization, including dimensions, precision grades, and materials, to meet your unique needs.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours
Quality Assurance
100% Inspection
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Delivery
3-15 Days
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
Customization
Full OEM/ODM
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
After-Sales
12-Month Warranty
Professional technical guidance and failure solutions from our R&D team.
