Needle Roller Bearing NA4911 NA4912 NA4913 for Industrial Machinery 55x80x25mm P0-P4 Precision

Product Specifications

Application Industries

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

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