Saifan Bearing
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Spherical Roller Bearing 21308E 40x90x23mm for Industrial Machinery High Precision
Spherical Roller Bearing 21308E 40x90x23mm for Industrial Machinery High Precision
Spherical Roller Bearing 21308E 40x90x23mm for Industrial Machinery High Precision
Spherical Roller Bearing 21308E 40x90x23mm for Industrial Machinery High Precision
Spherical Roller Bearing 21308E 40x90x23mm for Industrial Machinery High Precision
Spherical Roller Bearing 21308E 40x90x23mm for Industrial Machinery High Precision
Spherical Roller Bearing 21308E 40x90x23mm for Industrial Machinery High Precision
Spherical Roller Bearing 21308E 40x90x23mm for Industrial Machinery High Precision
Spherical Roller Bearing 21308E 40x90x23mm for Industrial Machinery High Precision
Spherical Roller Bearing 21308E 40x90x23mm for Industrial Machinery High Precision
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Spherical Roller Bearing 21308E 40x90x23mm for Industrial Machinery High Precision

SKU: 10e44ad348d5

Ensure smooth, precise rotation in your industrial machinery with the Spherical Roller Bearing 21308E, engineered to deliver reliable performance even under heavy loads. This 40x90x23mm high-precision bearing minimizes downtime and enhances equipment longevity, addressing the critical need for consistent operation in demanding manufacturing environments.

  • Designed with P0-P4 precision grade and Z2-Z3-Z4 noise control to reduce vibration and extend service life
  • Built with high-grade chrome steel for exceptional wear resistance, ideal for machine tools, textile machinery, and other industrial applications
  • Backed by Saifan Bearings' ISO 9001:2015 quality certification and 12-month warranty, ensuring peace of mind for your production line
Factory Price
¥0.85
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.

Ancho (B)

Especificación

21308E
23mm
21308E

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Automotriz

Maquinaria Agrícola

Ingeniería

Machine tools, reducers, conveyors, printing equipment
Transmission systems, gearboxes
Tractors, harvesters
Excavators, heavy-duty machinery

Reduce Downtime with Reliable Spherical Roller Bearing 21308E for Industrial Machinery

Industrial operations face constant challenges from unexpected equipment failures—especially when bearings fail prematurely. A seized bearing in critical machinery like a conveyor or reducer can halt production lines, costing thousands in lost productivity. Many buyers struggle with sourcing high-precision bearings that match original specifications, often facing long lead times or minimum order quantities that don’t suit urgent repair needs.

High Precision 21308E Bearing: Engineered for Stability in Heavy-Duty Applications

The Spherical Roller Bearing 21308E is designed to address these pain points, offering a direct solution for industrial machinery requiring robust performance. With dimensions 40x90x23mm, this bearing delivers high precision (up to P4 grade) and noise control (Z2-Z4 levels), ensuring smooth operation in demanding environments. As a professional manufacturer with decades of experience, we support flexible ordering—including 1 piece MOQ for standard bearings—so you can get the exact quantity needed without excess inventory. Our 3-5 day sample delivery and 5-15 day bulk production timelines mean minimal wait time for critical replacements.

Rendimiento Óptimo en Condiciones Industriales Exigentes

Spherical roller bearings excel in applications with heavy radial loads, moderate axial loads, and misalignment compensation—key requirements for industrial machinery like printing presses, textile equipment, and construction machinery. The 21308E model, with its robust design, handles dynamic stresses in high-torque scenarios, such as in gearboxes or conveyor drives. Its ability to accommodate shaft deflection and thermal expansion makes it ideal for continuous operation in varying temperature environments, reducing the risk of premature wear and unexpected breakdowns.

Características técnicas que garantizan una larga vida útil

Precision and material quality define the performance of the 21308E Spherical Roller Bearing. Manufactured using high-grade chrome steel, it offers exceptional durability and resistance to wear, directly contributing to extended service life. The bearing’s precision grade (up to P4) ensures minimal vibration and noise, critical for maintaining machine accuracy in precision manufacturing processes. Our strict quality control includes dimensional detection and noise/vibration testing in an in-house laboratory, ensuring each unit meets ISO, ABMA, and DIN international standards. These technical attributes translate to reliable operation, reducing maintenance frequency and total ownership costs.

Por qué los rodamientos genuinos son importantes: Evite los costos ocultos de productos de calidad inferior

Choosing genuine, high-precision bearings like the 21308E Industrial Machinery Bearing prevents the hidden costs associated with counterfeit or low-quality alternatives. Substandard bearings often fail early, leading to unplanned downtime, expensive repairs, and potential damage to adjacent components. For example, a bearing failure in a production line can cost $10,000 or more per hour in lost output, far exceeding the initial savings of choosing a cheaper part. Our products are backed by ISO 9001:2015 quality certification and a 12-month warranty, ensuring you receive bearings that meet rigorous standards and perform as expected over time.

Nuestro Compromiso con el Suministro y Soporte Confiables

With over 18 years of manufacturing and export experience, Jinan Saifan Bearing Co., Ltd has built a reputation for trustworthiness in the global market. We serve clients across Europe, North America, Southeast Asia, and the Middle East, offering one-stop service from R&D to delivery. Our professional technical team provides free guidance on bearing selection, installation, and maintenance, helping you optimize performance and avoid costly mistakes. We maintain flexible order policies, including sample orders with no MOQ and customized production to meet specific drawings or requirements. Every product undergoes strict incoming material inspection and full-process supervision, ensuring consistent quality with each shipment.

Embalaje y Envío

    Embalaje protector para prevenir daños durante el transporte

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

    Pedidos al por mayor entregados en 5-15 días hábiles

    Múltiples opciones logísticas, incluyendo exprés, aéreo y flete marítimo

  • 1 piece MOQ available for standard bearings, supporting urgent repair needs

Get Your 21308E Bearing Shipped Fast—Minimize Production Downtime

Don’t let equipment downtime affect your bottom line. The Spherical Roller Bearing 21308E is available for immediate ordering, with fast delivery to keep your machinery running. Whether you need a single replacement or bulk quantities, our team is ready to assist with technical specifications and pricing. The sooner you order, the sooner you can restore full production capacity.

Preguntas Frecuentes

Q: ¿Es este rodamiento un producto original genuino?

A: Yes, we are a professional manufacturer with strict quality control processes. All products meet ISO, ABMA, and DIN standards, and we provide certification of compliance with each order.

Q: How can I confirm if the 21308E is suitable for my equipment?

A: Nuestro equipo técnico puede ayudar con la selección basada en el modelo de su equipo, los requisitos de carga y las condiciones de operación. Proporcione detalles sobre su aplicación y verificaremos la compatibilidad.

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

A: Ofrecemos una garantía de 12 meses a partir de la fecha de entrega. Los productos defectuosos debido a problemas de fabricación serán reemplazados sin costo alguno o reembolsados.

Q: What is the minimum order quantity for the 21308E bearing?

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

P: ¿Qué tan rápido puedo recibir mi pedido?

A: Sample orders are shipped within 3-5 working days, and bulk orders within 5-15 working days. We offer flexible shipping options to meet your timeline.

Q: How do you ensure product quality before shipment?

A: All bearings undergo comprehensive testing, including dimensional checks, noise and vibration tests, and performance evaluations in our in-house laboratory. We also conduct a final inspection before shipment to ensure consistency.

¿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.