Saifan Bearing
SKF Bearings
High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33 for Industrial Machinery
High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33 for Industrial Machinery
High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33 for Industrial Machinery
High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33 for Industrial Machinery
High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33 for Industrial Machinery
High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33 for Industrial Machinery
High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33 for Industrial Machinery
High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33 for Industrial Machinery
High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33 for Industrial Machinery
High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33 for Industrial Machinery
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High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33 for Industrial Machinery

SKU: 27b53197dff9

Ensure smooth, precise rotation in your industrial machinery with our High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33, engineered to minimize downtime and enhance operational stability. This robust cylindrical roller bearing delivers exceptional load capacity and rigidity, making it ideal for heavy-duty applications like machine tools and reducers where consistent performance under stress is non-negotiable.

  • Double row cylindrical design with SPW33 precision grade ensures tight radial clearance control and reduced vibration, critical for high-speed industrial operations
  • Open seal configuration allows for easy lubrication maintenance, extending service life and reducing long-term maintenance costs
  • 100mm inner diameter and optimized roller spacing provide reliable power transmission, even in demanding working conditions
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.

Tipo

Número de fila

Estructura

Cilíndrico

Tipo de Sellos

Abrir

Marca registrada

Origen

China

Tamaño del paquete

Peso Bruto del Paquete

NNU4920B/SPW33
Roller
Double Row
Inner Diameter 100 mm
SKF
Single Gross Weight 0.250 kg
Single Package Size 10×10×10 cm
16.00×16.00×16.00 cm
0.300 kg
Selling Units Single Item

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Herramientas de Máquina, Cajas de Engranajes, Reductores

Fabricación

Automotriz

Nueva Energía

Cajas de engranajes de turbinas eólicas, Sistemas de seguimiento solar

CNC Machines, Spindles, Printing Equipment
Transmission Systems, Electric Motors

Minimize Downtime with High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33

Industrial machinery operators know the cost of sudden bearing failure—unplanned downtime, production delays, and expensive repairs. When critical equipment like machine tool spindles or gearboxes fail due to substandard bearings, the losses add up quickly. Finding reliable suppliers who can deliver precision components with consistent quality and flexible order terms remains a persistent challenge in the industry.

Genuine NNU4920B/SPW33 Bearings for Reliable Performance

Our High Precision Double Row Cylindrical Roller Bearing NNU4920B/SPW33 addresses these pain points directly. As a professional bearing manufacturer and supplier with over 18 years of export experience, we ensure each bearing meets strict quality standards. This double row cylindrical roller bearing is engineered for high-precision industrial applications, providing the stability and durability needed for continuous operation in machine tools, gearboxes, and manufacturing equipment.

Optimized for Heavy-Duty Industrial Conditions

This NNU4920B/SPW33 bearing excels in applications requiring high radial load capacity and precise axial alignment. Its double row design distributes load evenly, making it ideal for heavy-duty machinery operating at moderate to high speeds. Whether used in CNC machine spindles or industrial gearboxes, the open structure allows for easy lubrication maintenance, ensuring consistent performance even in demanding workshop environments.

Technical Features That Deliver Consistent Results

The NNU4920B/SPW33's cylindrical roller structure provides superior radial load handling compared to ball bearings, making it suitable for equipment subject to heavy mechanical stress. With an inner diameter of 100 mm, it fits standard industrial shafts commonly found in machine tools and reducers. The precision manufacturing ensures minimal vibration during operation, which is critical for maintaining workpiece accuracy in machining applications. The bearing's robust construction using high-grade materials supports long service life, reducing the frequency of replacements and associated downtime.

Por qué la Autenticidad Importa para Su Resultado Final

Choosing genuine double row cylindrical roller bearings over counterfeit alternatives directly impacts your total cost of ownership. Fake bearings often fail prematurely due to poor material quality and imprecise manufacturing, leading to unexpected equipment breakdowns. The resulting production losses, repair costs, and potential damage to other components far exceed the initial savings from cheaper alternatives. Our bearings meet international standards, ensuring reliable performance and predictable maintenance schedules that help keep your operations running smoothly.

Nuestro Compromiso con la Calidad y el Servicio

With ISO 9001:2015 and ISO 14001 certifications, we maintain rigorous quality control throughout production and supply. Our professional technical team provides free guidance on bearing selection and installation, helping you avoid costly选型 mistakes. We offer flexible order policies, including 1 piece MOQ for standard bearings and sample orders without minimum quantity requirements. For distributors and wholesalers, free samples are available (with freight cost covered by the customer). Our efficient delivery ensures sample orders ship within 3-5 working days and bulk orders within 5-15 working days, minimizing your inventory holding costs.

Embalaje y Envío

  • Protective packaging: Each bearing is packed in a 10×10×10 cm single package, with outer carton dimensions of 16×16×16 cm
  • Fast delivery: Sample orders ship within 3-5 working days, bulk orders within 5-15 working days
  • Múltiples opciones logísticas: DHL, FedEx, UPS, transporte aéreo y transporte marítimo disponibles

  • Order tracking: Real-time logistics information provided once shipped
  • Flexible ordering: 1 piece MOQ for standard bearings, customized order quantities negotiable

Get Your NNU4920B/SPW33 Bearing Today

Don't let equipment downtime affect your productivity. Whether you need a single replacement bearing or bulk order for maintenance stock, we can fulfill your requirements quickly. Send us your bearing designation, application details, and quantity to receive a prompt quote and ensure your machinery stays operational.

Preguntas Frecuentes

Q: ¿Es este un rodamiento genuino?

A: Yes, we supply genuine original brand bearings, including SKF, NSK, and INA. Each product can be traced through our authorized supply chain.

P: ¿Cómo confirmo si este rodamiento se ajusta a mi equipo?

A: Provide your equipment model or specific technical requirements, and our professional technical team will assist with free选型 confirmation.

Q: ¿Cuál es la política de garantía?

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

P: ¿Cuál es la cantidad mínima de pedido?

A: For standard bearings like the NNU4920B/SPW33, the MOQ is 1 piece, supporting emergency repair needs and small-batch purchases.

P: ¿Cuánto tiempo tarda el envío?

A: Los pedidos de muestra se entregan dentro de 3-5 días hábiles, mientras que los pedidos al por mayor generalmente se envían dentro de 5-15 días hábiles. Hay múltiples opciones logísticas disponibles para cumplir con sus requisitos de tiempo.

Q: ¿Cómo puedo verificar la autenticidad del rodamiento?

A: Genuine bearings feature proper branding, packaging, and documentation. We provide complete traceability records and can assist with verification through official channels if needed.

¿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.