Saifan Bearing
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Spherical Roller Bearing 21306 30x72x19mm Long Life for Gearbox Fast Delivery
Spherical Roller Bearing 21306 30x72x19mm Long Life for Gearbox Fast Delivery
Spherical Roller Bearing 21306 30x72x19mm Long Life for Gearbox Fast Delivery
Spherical Roller Bearing 21306 30x72x19mm Long Life for Gearbox Fast Delivery
Spherical Roller Bearing 21306 30x72x19mm Long Life for Gearbox Fast Delivery
Spherical Roller Bearing 21306 30x72x19mm Long Life for Gearbox Fast Delivery
Spherical Roller Bearing 21306 30x72x19mm Long Life for Gearbox Fast Delivery
Spherical Roller Bearing 21306 30x72x19mm Long Life for Gearbox Fast Delivery
Spherical Roller Bearing 21306 30x72x19mm Long Life for Gearbox Fast Delivery
Spherical Roller Bearing 21306 30x72x19mm Long Life for Gearbox Fast Delivery
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Spherical Roller Bearing 21306 30x72x19mm Long Life for Gearbox Fast Delivery

SKU: f3b5e905efb8

Ensure smooth gearbox operation with the Spherical Roller Bearing 21306, engineered to deliver long-lasting performance in industrial and automotive applications. This 30x72x19mm bearing minimizes downtime with its high load capacity and precision design, addressing the need for reliable rotation in demanding machinery.

  • Features low noise (Z2/Z3 grade) and high-speed capability, ideal for gearboxes, fans, and car components
  • Customizable options available to match specific equipment requirements, backed by ISO 9001-certified quality
  • Fast delivery (3-5 days for samples) ensures minimal production delays, with 12-month warranty for peace of mind
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

Modelo NO.

Característica

Larga Vida, Alta Velocidad, Bajo Ruido

Especificación

Código HS

8482300000

21306
30x72x19mm

Industrias de Aplicación

Industria

Equipo Típico

Automotriz

Cajas de cambios, Sistemas de transmisión

Fabricación Industrial

Electric Motors, Fans

Reduce Downtime with Reliable Spherical Roller Bearing 21306

Gearbox failures often stem from substandard bearings that wear prematurely, causing costly production halts and emergency repairs. Many buyers struggle with inconsistent supply chains, where minimum order quantities force overstocking or long lead times delay maintenance. Mismatched bearing specifications further shorten service life, turning a simple replacement into a recurring problem.

Spherical Roller Bearing 21306: Engineered for Gearbox Performance

Our 21306 Spherical Roller Bearing addresses these challenges with precision engineering and flexible supply. Designed for gearboxes, this 30x72x19mm bearing combines long life, high speed, and low noise operation—critical for maintaining smooth power transmission. With 15+ years of bearing manufacturing experience, we ensure each unit meets strict quality standards, supported by a 12-month warranty and responsive technical support.

Optimal Performance in Demanding Gearbox Conditions

Spherical roller bearings excel in applications with heavy radial loads and moderate axial loads, making them ideal for gearboxes in automotive and industrial machinery. The 21306 model’s robust design accommodates misalignment, reducing stress on shafts and extending equipment life. Whether used in car transmissions or industrial fans, its high-speed capability ensures efficient operation without compromising durability.

Key Features That Deliver Long-Term Value

The 21306 Spherical Roller Bearing’s 30mm bore diameter, 72mm outer diameter, and 19mm width are precision-machined to fit standard gearbox configurations. Its low noise特性 minimizes operational disruptions, while the long-life design reduces replacement frequency. Customizable options allow adaptation to specific application requirements, ensuring optimal performance in diverse operating conditions.

Por qué los rodamientos genuinos importan para su resultado final

Counterfeit bearings may offer lower upfront costs, but they often fail within months, leading to unplanned downtime and expensive repairs. Our bearings adhere to ISO industrial standards, ensuring consistent quality and reliability. By investing in genuine 21306 bearings, you avoid hidden costs associated with premature failure, including production losses and secondary equipment damage.

Su Socio de Rodamientos de Confianza Desde 2005

Jinan Saifan Bearing Co., Ltd brings decades of manufacturing and export experience to every order. Our ISO 9001:2015 and ISO 14001 certifications validate our commitment to quality and environmental responsibility. We offer flexible ordering with 1 piece MOQ for standard bearings, 3-5 day sample delivery, and 5-15 day bulk production lead times. Our professional R&D and QC teams ensure each bearing meets P0-P4 precision grades, supported by free technical guidance on selection and maintenance.

Embalaje y Envío

    Embalaje de palet de cartón para transporte seguro

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

    Pedidos al por mayor entregados en 5-15 días hábiles

  • Multiple logistics options available to global destinations
  • 1 pieza MOQ para rodamientos estándar, pedidos de muestra sin MOQ

Get Your 21306 Bearing Today

Don’t let gearbox downtime impact your productivity. Contact us with your bearing requirements, and our team will provide a tailored quote within 24 hours. With fast delivery and reliable performance, the Spherical Roller Bearing 21306 is the smart choice for minimizing maintenance costs and maximizing equipment uptime.

Preguntas Frecuentes

P: ¿Es este un rodamiento genuino?

A: Yes, we supply genuine bearings and ensure full traceability through our certified supply chain.

Q: How do I confirm if the 21306 bearing fits my gearbox?

A: Provide your equipment model or technical specifications, and our technical team will verify compatibility.

Q: ¿Cuál es el período de garantía para este rodamiento?

A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects.

P: ¿Cuál es la cantidad mínima de pedido?

A: Standard bearings have a 1 piece MOQ; sample orders are available without MOQ.

P: ¿Cuánto tiempo tarda el envío?

A: Sample orders ship in 3-5 working days, bulk orders in 5-15 working days, with global logistics options.

¿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.