Needle Roller Bearings

Needle Roller Bearing NA6911 NA6912 NA6913 for Precision Mechanical Applications 55x80x45mm

SKU: 1c0237a83b75 In Stock

Ensure smooth, precise rotation in your precision mechanical applications with our Needle Roller Bearing NA6911, designed to deliver reliable performance under radial loads. Crafted from high-grade bearing steel with P0-P4 precision ratings, this 55x80x45mm radial bearing minimizes vibration and extends equipment service life—ideal for machinery where space and accuracy are critical.

  • Closed design with C0/C3/C4 clearance options ensures consistent operation in demanding conditions
  • Supports both grease and oil lubrication for flexible maintenance
  • Backed by our ISO 9001-certified manufacturing process for stable quality you can trust
  • Available for OEM/ODM customization to match your exact specifications, with 3-7 day delivery on standard orders
Wholesale Price (FOB)
¥1.50
MOQ: 1 Piece • Bulk discounts available on inquiry
12-Month Warranty
Free Samples
Global Shipping
Product Specifications

Technical Details & Description

Especificaciones del Producto

Parámetro

Detalles

Modelo NO.

Dirección de Carga

Rodamiento Radial

Estilo

Sin anillo exterior, sin anillo interior

Material

Acero para rodamientos

Tipo

Cerrado

Nombre del Producto

Rodamiento de agujas

Lubricación

Grasa o Aceite

Clasificación de Precisión

P0 P6 P5 P4 P2

Liquidación

C0 C3 C4

Tiempo de Entrega

3-7 días

Servicio

OEM ODM

Paquete de Transporte

Palet de cartón

Especificación

Origen

China

Código HS

8482102000

NA6911
55*80*45 mm

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Automotriz

Sistemas de transmisión, Trenes de transmisión

Maquinaria Agrícola

Fabricación

Nueva Energía

Aerogeneradores, Equipos Solares

Machine Tools, Spindles, Gearboxes
Tractors, Harvesters, Implements
Printing Machines, Reducers, Conveyors

Prevent Equipment Downtime with Precision Needle Roller Bearings NA6911 NA6912 NA6913

Equipment failures caused by substandard bearings cost manufacturers thousands in lost production each year. Many buyers struggle with unreliable suppliers offering inconsistent quality, long lead times for custom sizes, and limited technical support when selecting the right bearing for precision applications. These challenges often lead to premature wear, increased maintenance costs, and unexpected downtime.

High-Precision Needle Roller Bearings for Critical Mechanical Applications

Our Needle Roller Bearing NA6911, NA6912, and NA6913 series are engineered to solve these pain points with dimensions of 55x80x45mm, ideal for precision mechanical applications requiring high radial load capacity in compact spaces. As a professional bearing manufacturer with ISO 9001:2015 and ISO 14001 certifications, we ensure each bearing meets strict quality standards, from raw material inspection to final performance testing. Whether used in machine tools, automotive transmissions, or agricultural equipment, these bearings deliver consistent performance and durability.

Rendimiento Óptimo en Condiciones Exigentes

Needle roller bearings excel in applications with high radial loads and limited axial space, making them perfect for precision mechanical systems such as gearboxes, printing machines, and reducers. The NA6911, NA6912, and NA6913 models, with their closed design and bearing steel construction, provide reliable operation under varying speeds and temperatures. Their ability to handle heavy loads while maintaining precision makes them a critical component in industrial machinery where accuracy and uptime are essential.

Características Técnicas Clave Que Aseguran Fiabilidad

The precision rating of P0 to P4 ensures minimal runout and vibration, critical for high-speed applications like CNC machine spindles. Clearance options (C0, C3, C4) allow customization based on thermal expansion and operating conditions—C3 clearance, for example, is ideal for applications with significant temperature variations. The closed design protects internal components from contaminants, extending service life in dusty or moist environments. Lubrication flexibility (grease or oil) further adapts these bearings to diverse operational requirements, from low-speed heavy loads to high-speed continuous operation.

Por qué los rodamientos genuinos reducen el costo total de propiedad

Choosing genuine needle roller bearings over counterfeit products eliminates hidden costs associated with frequent replacements, equipment damage, and unplanned downtime. Our bearings adhere to ISO, ABMA, and DIN international standards, ensuring compatibility with original equipment specifications. A 12-month warranty covers manufacturing defects, providing peace of mind and reducing long-term maintenance expenses. For industrial buyers, investing in quality bearings translates to lower total cost of ownership through improved reliability and longer service intervals.

Nuestro Compromiso con la Calidad y el Servicio

With over 18 years of manufacturing and export experience, we serve customers in Europe, North America, Southeast Asia, and the Middle East. Our one-stop service includes independent R&D, mass production, and global sales, supported by a professional technical team offering free guidance on selection, installation, and maintenance. We maintain flexible order policies—1 piece MOQ for standard bearings and 3-5 day delivery for samples—ensuring responsive support for both small repairs and large-scale production needs. All products undergo strict incoming material inspection and full-process supervision, with in-house laboratory testing for dimensional accuracy, noise, vibration, and service life.

Packaging & Shipping

    Embalaje en cartón y paletas para un transporte seguro

    3-7 días de tiempo de entrega para pedidos estándar

    Múltiples opciones logísticas: DHL, FedEx, UPS, transporte aéreo y transporte marítimo

    Seguimiento logístico en tiempo real proporcionado para todos los envíos

  • 1 piece MOQ available for standard bearings, supporting emergency maintenance needs

Asegure sus rodamientos hoy

Don’t let equipment downtime affect your production schedule. Whether you need NA6911, NA6912, or NA6913 bearings for immediate replacement or upcoming projects, we ensure fast delivery and reliable performance. Contact us with your specific requirements, and our technical team will help confirm the right bearing for your application.

Preguntas Frecuentes

Q: ¿Son estos rodamientos de agujas genuinos y trazables?

A: Yes, all our bearings are manufactured in our ISO 9001:2015 certified facility and come with complete traceability documentation, ensuring authenticity and quality.

Q: How can I confirm if the NA6911 bearing fits my equipment?

A: Provide your equipment model or specific dimensional requirements (bore diameter, outer diameter, width), and our technical team will verify compatibility free of charge.

P: ¿Qué garantía ofrecen en estos rodamientos?

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 NA6911 bearing?

A: The minimum order quantity for standard bearings is 1 piece, supporting both small repairs and bulk purchases.

P: ¿Cuánto tiempo tarda en enviarse un pedido?

A: Sample orders ship within 3-5 working days, and bulk orders within 5-15 working days, with multiple logistics options to meet your timeline.

Q: Can you customize bearings according to specific requirements?

A: Yes, we support OEM and ODM customization, including adjustments to structure, size, housing, and packaging based on customer drawings and demands.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

Sample Policy

Free samples available for distributors. 3–5 days production lead time.

Bulk Delivery

5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.

Certifications

ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.

After-Sales

12-month warranty plus dedicated technical failure analysis support.

Engineering Insights

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