Cylindrical Roller Bearing
Class
P4 / P2
Origin
DE / SE
Standard
DIN 620
Lead
3-7 Days
Cylindrical Roller Bearing
In Stock
NNU4956B/SPW33 SKF Cylindrical Roller Bearing 280mm ID for Construction Machinery Precision Applications
ISO 9001 · DIN Certified
<p>Ensure precision performance in construction machinery with the <strong>NNU4956B/SPW33 SKF bearing</strong>, a double row cylindrical roller solution engineered to minimize downtime in high-load applications. This 280mm ID bearing delivers exceptional radial rigidity and rotational accuracy, critical for maintaining consistent operation in heavy-duty equipment where component reliability directly impacts project timelines.</p> <ul> <li>Open seal design optimizes lubrication flow for extended service intervals, reducing maintenance frequency</li> <li>SKF's SPW33 precision grade ensures tight tolerance control, eliminating alignment issues that cause premature wear</li> <li>Backed by our one-stop procurement process, with consolidated logistics and full certification documentation to streamline your supply chain</li> </ul>
Technical Specifications
- Type
- Cylindrical Roller Bearing
- Precision Class
- P4 / P2
- Certification
- ISO 9001
- Radial Runout
- ≤ 1.5 μm
- Delivery
- 3-7 Business Days
Related Keywords
Reply within 12 hours
NDA available
Full certification docs
Precision packaging
Product Description
Technical Details & Application
Especificaciones del Producto
Parámetro
Detalles
Modelo NO.
Tipo
Rodamiento de rodillos cilíndricos
Número de fila
Doble Fila
Diámetro Interno
Unidades en venta
Artículo Único
Estructura
Cilíndrico
Tipo de Sellos
Abrir
Peso Bruto Por
Marca registrada
Origen
China
Industrias de Aplicación
Industria
Equipo Típico
Maquinaria de Construcción
Excavadoras, Cargadoras, Bulldozers, Mezcladoras de Concreto Maquinaria Industrial
Energía Eólica
Automatización
Construction machinery operators know the cost of unexpected downtime—every hour of halted work eats into project deadlines and profits. Sourcing reliable replacement bearings often means navigating inconsistent quality from uncertified suppliers or facing long lead times for genuine parts. When your equipment relies on precision components like the NNU4956B/SPW33 SKF bearing, choosing the wrong supplier can lead to premature failures and costly repairs. As an official SKF distributor, we eliminate these frustrations by maintaining sufficient stock of high-precision bearings like the NNU4956B/SPW33. This double row cylindrical roller bearing, with its 280mm inner diameter, is engineered for the heavy radial loads and high rigidity required in construction machinery applications. Our ISO 9001 and DIN compliant inspection system ensures every bearing meets SKF’s strict quality standards before it leaves our warehouse, so you can install with confidence. Diseñado para Entornos de Construcción Exigentes
The NNU4956B/SPW33 SKF bearing thrives in the harsh conditions of construction sites, where heavy loads, shock impacts, and variable speeds are the norm. Its double row design provides exceptional radial load capacity, while the cylindrical structure allows for thermal expansion, a critical feature in equipment operating under fluctuating temperatures. Whether used in excavator swing mechanisms or loader gearboxes, this bearing delivers the consistent performance needed to keep your machinery running. Características Técnicas Clave que Importan
The open seal design of the NNU4956B/SPW33 makes it ideal for applications where frequent lubrication is required, ensuring optimal performance in dusty or debris-prone environments. Its 280mm inner diameter accommodates large shafts common in heavy construction equipment, while the double row configuration distributes load evenly across the bearing, extending service life. As a SKF product, it benefits from the brand’s decades of engineering expertise in materials and manufacturing, resulting in a component that balances durability with precision movement. Por qué la autenticidad se traduce en un costo total más bajo
Opting for counterfeit bearings may seem like a cost-saving measure, but the hidden expenses quickly add up. Unauthorized replicas often fail prematurely due to substandard materials and poor manufacturing tolerances, leading to unplanned downtime, expensive repairs, and potential damage to surrounding components. Genuine SKF bearings like the NNU4956B/SPW33, backed by full certification documents, offer predictable performance and longer service intervals, reducing your total cost of ownership over time. Su Socio de Confianza para Rodamientos de Precisión
With dual authorization from FAG and SKF, we stand behind every product we supply. Our senior application engineers provide expert guidance to ensure you select the right bearing for your specific equipment and工况. We serve over 800 clients across 45+ countries, leveraging our global logistics network to offer premium shockproof transportation and centralized shipment tracking. Every bearing comes with complete qualification documents, protecting your compliance in large-scale engineering projects. Original Embalaje exterior protector para prevenir daños durante el transporte
Envío global a través de DHL, FedEx, UPS, por aire o por transporte marítimo
Seguimiento logístico en tiempo real proporcionado para todos los pedidos
Cantidad mínima de pedido de 1 pieza, apoyando necesidades de mantenimiento de emergencia Don’t let equipment downtime derail your project schedule. Send us your NNU4956B/SPW33 SKF bearing requirements, including quantity and application details, and our team will provide a unified quotation within one working day. With our sufficient stock, you can have this critical component delivered quickly to minimize operational disruptions. Preguntas Frecuentes
Q: ¿Es este un rodamiento genuino?
A: Yes, we are an official SKF authorized distributor. Every NNU4956B/SPW33 bearing comes with complete traceability documentation to verify its authenticity. Q: ¿Cómo puedo confirmar si este rodamiento se ajusta a mi equipo?
A: Proporcione el modelo de su equipo o las especificaciones técnicas, y nuestros ingenieros de aplicaciones senior verificarán la compatibilidad sin costo alguno.
P: ¿Cuál es la política de garantía?
A: We adhere to SKF’s original manufacturer warranty, covering manufacturing defects with unconditional replacement. Q: ¿Cuál es la cantidad mínima de pedido?
A: Aceptamos pedidos para 1 pieza, apoyando tanto reparaciones de emergencia como necesidades de adquisición a pequeña escala.
P: ¿Cuánto tiempo tarda el envío?
A: In-stock items ship within 3-7 business days, with flexible logistics options including DHL, FedEx, UPS, air, and sea freight. Q: How can I verify the bearing’s authenticity? A: Authentic SKF bearings feature laser-etched markings, packaging with security labels, and unique product codes that can be verified through official channels. We provide all necessary documentation for confirmation. Ready to order or need a quote?
NNU4956B/SPW33
280 mm
0.250 kg Batch
SKF
Heavy-Duty Gearboxes, Presses, Rolling Mills
Main Shaft Systems, Generator Bearings
Precision Machine Tools, Robotic Arms
Minimize Downtime with Genuine NNU4956B/SPW33 SKF Cylindrical Roller Bearing
Genuine SKF Bearings in Stock for Immediate Delivery
Packaging & Shipping
embalaje con etiquetas de autenticidad del producto
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Submit your inquiry for NNU4956B/SPW33 SKF Cylindrical Roller Bearing 280mm ID for Construction Machinery Precision Applications and our senior application engineers will respond within 12 hours with pricing, availability, and technical documentation.
Authorized European Stock
Genuine FAG & SKF, traceable certificates
Reply Within 12 Hours
Senior engineers, multi-language support
Full Certification Docs
ISO 9001, DIN 620, material certs available