Especificaciones del Producto
Parámetro
Detalles
Número de modelo
| Double Row Cylindrical Roller Bearing |
Dimensión exterior
| Medium and Large(120-190mm) |
Material
Acero para rodamientos
Esférico
Rodamientos no alineables
Dirección de Carga
| Axial Bearing |
Separado
Separado
Liquidación
| C0 C2 C3 C4 C5 |
Jaula
| Brass, Steel |
Vibración
| Z1V1 Z2V2 Z3V3 |
| Hardness |
60-64 HRC |
Paquete de Transporte
Palé de Cartón
Origen
| Jiangsu China |
Código HS
| 8482800000 |
Industrias de Aplicación
Industria
Equipo Típico
Maquinaria Industrial
https://bearingnsk.com/wp-content/uploads/2026/07/chinese-bearing-manufacturers-implement-iso-9001-iatf-16949-1.jpgHerramientas de Máquina, Cajas de Cambios, Reductores, Máquinas de Impresiónhttps://bearingnsk.com/wp-content/uploads/2026/07/chinese-spherical-roller-bearings-installed-in-wind-turbine-2.jpg
Automotriz
| Transmission Systems, Drive Axles |
Maquinaria Agrícola
Tractores, Cosechadoras
Nuevo Equipamiento de Energía
Aerogeneradores, Sistemas de Seguimiento Solar
Minimize Downtime with NNU4920 B/Sp C3 W33 Double Row Cylindrical Roller Bearing
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failure. When a cylindrical roller bearing fails prematurely, it halts production lines, increases maintenance costs, and delays deliveries. Sourcing reliable bearings with the right specifications and flexible order terms often adds another layer of complexity to keeping operations running smoothly.
Engineered for Industrial Machinery Reliability
The NNU4920 B/Sp C3 W33 Double Row Cylindrical Roller Bearing addresses these challenges with precision manufacturing and adaptable design. As a professional bearing manufacturer with decades of experience, we produce this bearing to meet P0-P4 precision grades and Z2-Z4 noise levels, ensuring it performs consistently in industrial machinery applications. Whether integrated into gearboxes, printing machines, or reducers, this bearing delivers the stability needed for continuous operation.
Rendimiento Óptimo en Condiciones de Trabajo Pesadas
Designed for axial load handling in medium and large industrial equipment (120-190mm outer dimension), this double row cylindrical roller bearing excels in high-torque environments. Its separated structure allows for easy installation and maintenance, while the C3 clearance ensures proper operation under thermal expansion conditions common in heavy-duty machinery. The combination of bearing steel material (60-64 HRC hardness) and brass or steel cage options provides durability to withstand rigorous industrial workflows.
Características técnicas que mejoran el rendimiento de la maquinaria
The NNU4920 B/Sp C3 W33 bearing incorporates critical technical features that directly impact operational efficiency. Its Z1V1-Z3V3 vibration grades reduce noise and vibration, minimizing wear on adjacent components. The availability of multiple clearance classes (C0-C5) allows customization to specific application requirements, ensuring optimal preload and heat dissipation. With a separated design, maintenance teams can quickly replace or inspect the bearing without disassembling the entire equipment, reducing downtime during scheduled servicing.
Por qué los rodamientos genuinos son importantes para el costo total de propiedad
Choosing genuine Double Row Cylindrical Roller Bearings over counterfeit alternatives directly affects your bottom line. Counterfeit bearings often fail prematurely due to substandard materials and poor manufacturing, leading to unplanned shutdowns, costly repairs, and potential damage to expensive machinery. Our bearings meet ISO international standards and undergo strict quality control—from raw material inspection to full-process production supervision—ensuring reliable performance and reducing long-term maintenance costs.
Nuestro Compromiso con Sus Operaciones
With over 18 years of manufacturing and export experience, we stand behind the quality of our industrial machinery bearings. Our ISO 9001:2015 certified quality management system ensures consistent production standards, while our in-house laboratory conducts dimensional, noise, vibration, and service life tests. We offer flexible order policies, including 1 piece MOQ for standard bearings and 3-5 working days delivery for samples, supporting both emergency repairs and bulk production needs. Our professional technical team provides free guidance on selection, installation, and maintenance, helping you maximize bearing lifespan and equipment efficiency.
Packaging & Shipping
Embalaje de palets de cartón seguro para prevenir daños durante el transporte
3-5 días hábiles de entrega para pedidos de muestra
5-15 días hábiles de entrega para pedidos al por mayor
Múltiples opciones de logística, incluyendo exprés, aérea y transporte marítimo
- 1 piece MOQ for standard bearings, supporting small-batch and emergency purchases
Get Your NNU4920 Bearing Shipped Today
Don’t let bearing issues disrupt your production schedule. Whether you need a single replacement bearing or a bulk order for your manufacturing line, we can fulfill your requirements quickly. Send us your specifications, application details, and quantity, and our team will provide a prompt quote to help you get back to full operation.
Preguntas Frecuentes
P: ¿Son estos rodamientos genuinos y trazables?
A: Yes, all our bearings are manufactured in our ISO-certified facility and come with complete traceability documentation, ensuring authenticity and quality.
P: ¿Cómo confirmo si este rodamiento se ajusta a mi equipo?
A: Provide your equipment model, operating conditions (load, speed, temperature), and required specifications. Our technical team will verify compatibility and recommend the optimal bearing solution.
P: ¿Cuál es la política de garantía para este rodamiento?
R: Ofrecemos una garantía de 12 meses a partir de la fecha de entrega, que cubre defectos de fabricación con reemplazo gratuito o reembolso para problemas calificados.
P: ¿Cuál es la cantidad mínima de pedido?
A: Standard bearings have a 1 piece MOQ, allowing for emergency repairs and small-batch purchases. Customized orders have negotiable quantities.
Q: How quickly can you ship the NNU4920 bearing?
A: Sample orders ship within 3-5 working days, while bulk orders take 5-15 working days depending on quantity and specifications.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
