Needle Roller Bearings

Needle Roller Bearing NA6911 NA6912 NA6913 for Industrial Machinery 55x80x45mm P0-P4 Precision

SKU: c4fece34d62d In Stock

Ensure smooth, precise rotation for your industrial machinery with our Needle Roller Bearing NA6911 NA6912 NA6913, engineered to deliver reliable performance even under heavy radial loads. Crafted from high-grade bearing steel with P0-P4 precision (55x80x45mm), these closed-type bearings minimize vibration and extend equipment lifespan, addressing the challenge of maintaining consistent operation in demanding manufacturing environments.

  • Designed without inner/outer rings for space-saving integration in compact machinery setups
  • Supports both grease and oil lubrication to adapt to your maintenance protocols
  • Backed by our ISO 9001-certified quality control and 12-month warranty for long-term peace of mind
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

Marca registrada

BDL

Origen

China

Código HS

8482102000

Capacidad de Producción

1000000

NA6911
55*80*45 mm

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Herramientas de Máquina, Equipos de Impresión, Reductores

Automotriz

Sistemas de Transmisión, Componentes de Dirección

Maquinaria Agrícola

Cosechadoras, Tractores, Cultivadores

Construcción

Excavadoras, Cargadoras, Transportadores

Fabricación

Máquinas CNC, Reductores, Motores Eléctricos

Reduce Downtime with Precision Needle Roller Bearings NA6911 NA6912 NA6913 for Industrial Machinery

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When a needle roller bearing fails prematurely in your machine tools or reducers, it not only halts production but also leads to costly repairs and missed deadlines. Many face challenges with suppliers who demand large minimum orders or struggle to deliver precision-grade bearings consistently. These issues can disrupt your supply chain and affect your bottom line.

Reliable Needle Roller Bearings Delivered Fast for Your Industrial Needs

Our Needle Roller Bearing NA6911, NA6912, and NA6913 series are engineered to address these pain points. With dimensions of 55x80x45mm and precision ratings from P0 to P4, these bearings meet the strict requirements of industrial machinery. As an integrated manufacturer with full R&D and QC capabilities, we ensure each bearing undergoes rigorous testing. We offer flexible ordering with 1pc MOQ for standard items and sample lead times of 3–5 days, allowing you to source exactly what you need without excess inventory. Whether for machine tools, printing equipment, or reducers, our bearings provide the reliability your operations depend on.

Rendimiento Óptimo en Condiciones Industriales Exigentes

Needle roller bearings are critical components in applications requiring high radial load capacity within limited space. The NA6911, NA6912, and NA6913 series excel in industrial machinery where compact design and durability are essential. These bearings operate efficiently under heavy loads, making them ideal for use in gearboxes, machine tool spindles, and conveyor systems. Their closed type design helps prevent contamination, ensuring consistent performance even in dusty or oily environments. Choosing the right needle roller bearing directly impacts equipment lifespan and operational efficiency, reducing maintenance needs and extending production cycles.

Características técnicas que garantizan un rendimiento a largo plazo

The performance of our 55x80x45mm Industrial Bearing is defined by key technical specifications. Precision ratings from P0 to P4 allow you to select the exact level of accuracy needed—P4 for high-speed machine tools requiring minimal vibration, and P0 for general industrial applications. Clearance options (C0, C3, C4) accommodate different thermal expansion scenarios, ensuring proper fit and reducing premature wear. Constructed from high-quality bearing steel, these bearings offer excellent fatigue resistance, critical for withstanding the repetitive stresses of industrial operations. The option for grease or oil lubrication provides flexibility to match your specific application requirements, whether operating at high speeds or in high-temperature environments.

Why Genuine Bearings Matter for Your Total Cost of Ownership

Opting for genuine needle roller bearings over counterfeit alternatives delivers significant long-term value. Counterfeit bearings often fail early due to substandard materials and poor manufacturing, leading to unplanned downtime, increased repair costs, and potential damage to expensive machinery. In contrast, our bearings are produced under ISO9001 and ISO14001 certifications, ensuring consistent quality and reliability. The 12-month global warranty provides peace of mind, covering defects and offering free replacement or refund. While the initial cost of genuine bearings may be higher, the reduction in downtime, maintenance, and replacement expenses results in a lower total cost of ownership over time.

Our Commitment to Your Industrial Success

Jinan Saifan Bearing has served global buyers since 2005, building a reputation for reliability in Europe, America, Southeast Asia, and the Middle East. Our state-of-the-art QC lab ensures each bearing meets strict performance standards before shipment. We offer full OEM/ODM customization to meet unique application needs, supported by a dedicated technical team providing free guidance. With a production capacity of 1,000,000 units, we maintain stable supply even for large orders. Our bulk delivery time of 5–15 days ensures you get the bearings you need when you need them, minimizing production delays. We stand behind our products with responsive after-sales service, ensuring your satisfaction long after purchase.

Packaging & Shipping

  • Secure packaging in cartons with pallet reinforcement to prevent damage during transit
  • Sample delivery within 3–5 days, bulk orders shipped in 5–15 days
  • Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
  • https://storebearing.com/wp-content/uploads/2026/07/electron-microscope-images-showing-non-metallic-inclusion-di-1.jpgNúmeros de seguimiento en tiempo real proporcionados para todos los envíoshttps://storebearing.com/wp-content/uploads/2026/07/step-by-step-failure-analysis-workflow-showing-inclusion-ide-2.jpg
  • Minimum order quantity of 1 piece for standard items, supporting emergency repairs and small-batch requirements

Get Your Precision Needle Roller Bearings Today

Don’t let bearing issues slow down your production. Whether you need NA6911, NA6912, NA6913, or other precision needle roller bearings, we’re ready to fulfill your order. Contact us with your bearing designation, application details, and quantity, and our team will respond within 24 hours. The sooner you secure reliable bearings, the sooner you can get back to efficient, uninterrupted operations.

Preguntas Frecuentes

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

A: Yes, we are an integrated manufacturer with strict quality control processes. Each bearing is produced in our certified facilities and can be traced through our production records.

Q: How can I confirm the NA6911/NA6912/NA6913 is the right bearing for my equipment?

A: Provide your equipment model, operating conditions (load, speed, temperature), and required precision level. Our technical team will verify compatibility and recommend the optimal bearing.

P: ¿Cuál es su política de garantía para estos rodamientos?

A: Ofrecemos una garantía global de 12 meses que cubre defectos de fabricación. Si un rodamiento falla debido a problemas de material o producción, proporcionamos un reemplazo gratuito o un reembolso completo.

Q: What

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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