Saifan Bearing
SKF Bearings
21309EK Spherical Roller Bearing for Industrial Machinery, P0-P4 Precision Grade
21309EK Spherical Roller Bearing for Industrial Machinery, P0-P4 Precision Grade
21309EK Spherical Roller Bearing for Industrial Machinery, P0-P4 Precision Grade
21309EK Spherical Roller Bearing for Industrial Machinery, P0-P4 Precision Grade
21309EK Spherical Roller Bearing for Industrial Machinery, P0-P4 Precision Grade
21309EK Spherical Roller Bearing for Industrial Machinery, P0-P4 Precision Grade
21309EK Spherical Roller Bearing for Industrial Machinery, P0-P4 Precision Grade
21309EK Spherical Roller Bearing for Industrial Machinery, P0-P4 Precision Grade
21309EK Spherical Roller Bearing for Industrial Machinery, P0-P4 Precision Grade
21309EK Spherical Roller Bearing for Industrial Machinery, P0-P4 Precision Grade
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21309EK Spherical Roller Bearing for Industrial Machinery, P0-P4 Precision Grade

SKU: e7ecffe0cc7e

Ensure smooth, precise rotation in your industrial machinery with the 21309EK spherical roller bearing, engineered to deliver reliable performance across P0-P4 precision grades. This 25mm width bearing minimizes downtime by handling heavy radial loads and misalignment, making it ideal for industrial equipment where stability under stress is non-negotiable.

  • Designed with EK-type cage for enhanced durability and heat resistance, ensuring long service life even in continuous operation
  • Adheres to ISO industrial standards, guaranteeing consistent quality that aligns with your production demands
  • Backed by our 12-month warranty and technical support, so you can focus on operations without worrying about component reliability
Factory Price
¥1.05
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

Modelo NO.

Especificación

Grado de Precisión

21309EK
Width 25mm
21309EK
P0-P4

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Automotriz

Maquinaria Agrícola

Equipos de Nueva Energía

Machine tools, gearboxes, reducers, printing machines
Transmission systems, auxiliary equipment
Tractors, harvesters, heavy-duty agricultural equipment
Wind power generators, solar tracking systems

Minimize Downtime with 21309EK Spherical Roller Bearing for Industrial Machinery

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. A single malfunctioning bearing in critical equipment like gearboxes or printing machines can halt production lines, leading to missed deadlines and revenue loss. Sourcing reliable bearings with flexible order options and consistent quality remains a persistent challenge for maintenance teams and procurement managers alike.

Diseñado para un Rendimiento Confiable en Aplicaciones Exigentes

The 21309EK spherical roller bearing addresses these challenges with precision manufacturing and versatile design. As a professional integrated bearing manufacturer with decades of experience, we produce this bearing to P0-P4 precision grades, ensuring it meets the strict performance requirements of industrial machinery. Whether used in machine tools requiring precise rotation or agricultural equipment operating under heavy loads, this bearing delivers consistent performance with minimal maintenance needs.

Optimal Performance in Varied Operating Conditions

Spherical roller bearings excel in applications involving misalignment, heavy radial loads, and moderate axial loads—common conditions in industrial machinery. The 21309EK bearing's design accommodates shaft deflections and housing misalignments, reducing stress on adjacent components. Its 25mm width provides stable load distribution, making it suitable for continuous operation in equipment like conveyors, compressors, and reducers where reliability directly impacts productivity.

Características técnicas que garantizan una larga vida útil

Our 21309EK spherical roller bearing incorporates critical technical features that enhance durability and performance. The precision grade range (P0-P4) allows customization based on application needs—from general industrial use (P0) to high-precision machinery (P4) where reduced vibration and noise are essential. Manufactured using high-grade chrome steel, the bearing maintains structural integrity under extreme loads, while strict production supervision ensures dimensional accuracy. These attributes translate to extended service life, reducing the frequency of replacements and associated downtime.

Por qué los rodamientos genuinos son importantes para el costo total de propiedad

Choosing genuine 21309EK spherical roller bearings over counterfeit alternatives directly impacts your bottom line. Counterfeit bearings often fail prematurely due to substandard materials and poor manufacturing, leading to unplanned maintenance, equipment damage, and production losses. Our bearings, certified to ISO 9001:2015 quality standards, undergo comprehensive testing—including dimensional checks and performance evaluations—to ensure reliability. The initial investment in genuine bearings is offset by lower total ownership costs, as they require fewer replacements and minimize production disruptions.

Nuestro Compromiso con el Suministro y Soporte Confiables

With over 18 years of industry experience, Jinan Saifan Bearing Co., Ltd has established a reputation for dependable supply and customer-focused service. We serve clients across Europe, North America, Southeast Asia, and the Middle East, offering flexible order policies including a 1-piece MOQ for standard bearings—ideal for emergency repairs or small-scale projects. Our in-house laboratory conducts rigorous quality control, from incoming raw material inspection to final product testing. Additionally, our professional technical team provides free guidance on bearing selection, installation, and maintenance, ensuring optimal performance in your specific application.

Embalaje y Envío

    Embalaje protector para prevenir daños durante el transporte

    Entrega eficiente: 3-5 días hábiles para pedidos de muestra, 5-15 días hábiles para pedidos al por mayor

  • Multiple logistics options available to meet your timeline requirements
  • Real-time shipment tracking provided once dispatched
  • Cantidades de pedido flexibles con un MOQ de 1 pieza para rodamientos estándar

Secure Your 21309EK Bearing Today

Don’t let equipment downtime affect your operations. Whether you need a single 21309EK spherical roller bearing for emergency repair or a bulk order for scheduled maintenance, we ensure prompt delivery and consistent quality. Contact us with your requirements, and our team will assist you in selecting the right precision grade and quantity to meet your machinery needs.

Preguntas Frecuentes

Q: Is this a genuine 21309EK spherical roller bearing?

A: Yes, we produce our own bearings to strict quality standards and can provide documentation of our manufacturing processes and certifications, including ISO 9001:2015.

Q: How do I confirm if the 21309EK bearing fits my equipment?

A: Provide your equipment model, operating conditions, and required precision grade. Our technical team will verify compatibility and recommend the appropriate specifications.

P: ¿Cuál es la política de garantía para este rodamiento?

A: We offer an official 12-month warranty from the date of receipt. Qualified defective products are eligible for free replacement or refund.

Q: What is the minimum order quantity for the 21309EK bearing?

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

Q: How long does it take to ship the 21309EK bearing?

A: Sample orders are delivered within 3-5 working days, while bulk orders typically ship within 5-15 working days depending on quantity.

¿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.