Saifan Bearing
SKF Bearings
Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9 Nylon Cage for Industrial Machinery
Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9 Nylon Cage for Industrial Machinery
Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9 Nylon Cage for Industrial Machinery
Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9 Nylon Cage for Industrial Machinery
Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9 Nylon Cage for Industrial Machinery
Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9 Nylon Cage for Industrial Machinery
Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9 Nylon Cage for Industrial Machinery
Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9 Nylon Cage for Industrial Machinery
Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9 Nylon Cage for Industrial Machinery
Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9 Nylon Cage for Industrial Machinery
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Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9 Nylon Cage for Industrial Machinery

SKU: 53754fbd7776

Maximize industrial machinery uptime with the Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9—engineered to deliver stable, precision rotation under heavy radial and axial loads. Its nylon cage reduces friction and heat buildup, ensuring smoother operation and longer service life compared to metal alternatives, while P0-P4 precision grades meet the rigorous demands of high-performance equipment.

  • Double row design enhances load-carrying capacity for industrial machinery like reducers and printing presses
  • Separated structure allows easy maintenance and adjustment, minimizing downtime during servicing
  • High-grade bearing steel construction ensures durability in harsh working conditions, backed by ISO 9001:2015 quality standards
Factory Price
¥1.50
MOQ: 1pc · Bulk discount available
ISO 9001
Certified
12-Month
Warranty
3-5 Days
Sample Delivery
Technical Documentation

Product Details

Especificaciones del Producto

Parámetro

Detalles

Número de Filas

Doble

Dirección de Carga

Material

Acero para rodamientos

Calificación de Precisión

Estructura

Lubricación

Separado

Separado

Model Designation 3309-TN9
Bearing Type Double Row Angular Contact Ball Bearing
Radial
P0, P2, P4, P5, P6
Angular Contact
Cage Material Nylon Cage, Steel Cage, Copper Cage
Oil Grease

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Automotriz

Maquinaria Agrícola

Tractores, Cosechadoras

Nueva Energía

Aerogeneradores, Equipos Solares

Machine Tools, Gearboxes, Printing Equipment, Reducers
Transmission Systems, Electric Motors

Eliminate Downtime with Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9

Industrial machinery operators know the cost of unexpected bearing failure—hours of production loss, maintenance overtime, and cascading damage to connected components. When standard bearings can’t handle radial loads in high-speed applications, replacing them becomes a recurring headache. Sourcing reliable, precision-engineered bearings with flexible order options often feels like navigating a maze of generic suppliers.

Engineered for Heavy Loads, Built for Reliability

Our Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9 addresses these challenges head-on. Designed with a nylon cage for reduced friction and enhanced durability, this bearing delivers stable performance in industrial machinery like gearboxes and printing equipment. With precision grades from P0 to P4 and noise grades up to Z4, it meets the strict standards required for continuous operation in demanding environments. Backed by our one-stop service model, we handle everything from R&D to global delivery, ensuring you get the right bearing when you need it.

Rendimiento Óptimo en Aplicaciones Industriales Críticas

This double row angular contact bearing excels in applications where radial load capacity and precision are non-negotiable. Whether installed in machine tool spindles, agricultural equipment reducers, or new energy wind turbines, it maintains consistent rotation under heavy loads. The separated design allows for easy mounting and dismounting, simplifying maintenance and minimizing downtime. Its ability to operate efficiently across a range of speeds makes it a versatile solution for diverse industrial needs.

Características técnicas que impulsan el rendimiento

The 3309-TN9’s performance is defined by key engineering details. The double row angular contact structure distributes radial loads evenly, extending service life compared to single row alternatives. Nylon cage material reduces vibration and noise while improving lubrication retention, critical for high-speed operations. Precision ratings from P0 to P4 ensure tight dimensional tolerance, reducing shaft runout and enhancing overall machine accuracy. Combined with high-grade bearing steel construction, these features deliver the stability required for continuous industrial use.

Por qué comprometerse con los rodamientos cuesta más a largo plazo

Choosing inferior bearings may save upfront costs, but the hidden expenses add up quickly. Counterfeit or low-quality alternatives often fail prematurely, leading to unplanned shutdowns and costly repairs. Our Heavy Duty Angular Contact Ball Bearing 3309-TN9 is manufactured under strict ISO 9001:2015 quality control, with full-process production supervision and comprehensive performance testing. Every unit meets international standards (ISO, ABMA, DIN), ensuring reliability that reduces total cost of ownership by minimizing replacement frequency and downtime.

Décadas de experiencia en las que puedes confiar

With over 18 years of bearing manufacturing and export experience, Jinan Saifan Bearing Co., Ltd stands behind every product. Our factory features advanced precision processing equipment and an in-house laboratory conducting dimensional detection, noise & vibration tests, and service life experiments. We hold ISO 14001 environmental certification and high-tech enterprise qualification, demonstrating our commitment to quality and sustainability. Our professional technical team provides free guidance on selection, installation, and maintenance, ensuring you maximize bearing performance. We’ve served clients in Europe, North America, Southeast Asia, and the Middle East, building a reputation for consistent supply and responsive support.

Embalaje y Envío

    Embalaje en cartón y palets para un transporte seguro

    Los pedidos de muestra se envían dentro de 3-5 días hábiles

    Pedidos al por mayor entregados en 5-15 días hábiles

    Opciones de envío flexibles que incluyen exprés, aéreo y marítimo

    1 pieza MOQ para rodamientos estándar, apoyando reparaciones de emergencia

Get Your 3309-TN9 Bearing Today

Don’t let bearing issues slow down your operation. Whether you need a single replacement or bulk order, our Heavy Duty Double Row Angular Contact Ball Bearing 3309-TN9 is ready to ship. Send us your specifications, and our team will confirm compatibility and provide a quote within 24 hours. Keep your machinery running with reliable bearings from a trusted partner.

Preguntas Frecuentes

Q: ¿Es este rodamiento genuino y rastreable?

A: Yes, all our bearings are manufactured in our ISO 9001:2015 certified facility and come with full traceability documentation. We also supply genuine NSK, INA, and other brand bearings with authentic verification.

Q: How do I confirm if the 3309-TN9 fits my equipment?

A: Provide your equipment model, application conditions, and required load capacity. Our technical team will conduct free compatibility checks and recommend the optimal bearing solution.

Q: ¿Cuál es la política de garantía?

A: Ofrecemos una garantía de 12 meses a partir de la fecha de entrega. Los productos defectuosos calificados son elegibles para un reemplazo gratuito o reembolso.

P: ¿Cuál es la cantidad mínima de pedido?

A: Standard bearings like the 3309-TN9 have a 1 piece MOQ. Customized orders have negotiable quantities to meet your specific needs.

P: ¿Qué tan rápido puedo recibir mi pedido?

A: Sample orders ship in 3-5 working days, while bulk orders take 5-15 working days. We provide real-time logistics tracking for all shipments.

¿Listo para hacer un pedido o necesita una cotización?

Envíe su designación de rodamiento, detalles de la aplicación y cantidad — responderemos dentro de 24 horas.

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.

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Need a Custom Solution?

Our R&D team supports full OEM/ODM customization with technical drawings. Contact us for stable factory pricing and reliable supply.