High-Performance NNU 4960 B/Spw33 SKF Cylindrical Roller Bearing for Heavy Machinery Applications
Famous Brand Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Famous Brand Bearing SKF Bearings SKF Bearings

High-Performance NNU 4960 B/Spw33 SKF Cylindrical Roller Bearing for Heavy Machinery Applications

Ensure uninterrupted heavy machinery operation with the NNU 4960 B/Spw33 SKF cylindrical roller bearing, engineered to deliver exceptional load capacity and precision for demanding industrial applications. Its double row cylindrical structure minimizes vibration under extreme conditions, reducing downtime and maintenance costs for critical equipment like excavators and large-scale manufacturing machinery.

  • 300mm inner diameter and open seal design optimize heat dissipation, ideal for high-speed rotation in heavy-duty environments
  • SKF genuine quality ensures consistent performance, addressing the need for reliable components in mission-critical operations
  • Backed by Saifan's 12-month warranty and technical support, providing peace of mind for long-term equipment reliability

MOQ

1 Piece

Lead Time

5-15 Days

Warranty

12 Mo.

Precision

P0-P4

Noise Grade

Z2-Z4

Customization

OEM/ODM

  • High-grade chrome steel for long service life
  • Strict raw material inspection & full process monitoring
  • ISO 9001:2015 & ISO 14001 certified
  • ABMA & DIN standards compliant
  • Free samples for qualified distributors
  • T/T, Credit Card & Alibaba payment accepted

Product Details

Especificaciones del Producto

Parámetro

Detalles

Número de modelo

Tipo

Número de fila

Estructura

Cilíndrico

Tipo de Sellos

Abrir

Marca registrada

Origen

China

NNU4960B/SPW33
Roller
Selling Units Single Item
Single Gross Weight 0.250 Kg
Inner Diameter 300 mm
Double Row
SKF

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Pesada

Fabricación Industrial

Ingeniería

Excavators, Construction Cranes, Mining Equipment
Rolling Mills, Gearboxes, Large-Scale Compressors
Material Handling Systems, Heavy-Duty Conveyors

Minimize Downtime with Genuine NNU 4960 B/Spw33 SKF Cylindrical Roller Bearing

Equipment failures in heavy machinery operations often trace back to substandard bearings—costing thousands in lost production and emergency repairs. Sourcing authentic double row roller bearings with precise specifications can be challenging, especially when facing minimum order requirements or lengthy delivery times. For operations relying on 300mm inner diameter bearings, even small dimensional deviations can lead to premature wear and catastrophic breakdowns.

Genuine SKF Performance, Delivered When You Need It

The NNU 4960 B/Spw33 SKF cylindrical roller bearing addresses these challenges with factory-direct authenticity and flexible supply. As a professional bearing supplier with decades of export experience, we maintain direct access to genuine SKF inventory, ensuring each unit meets the brand’s rigorous quality standards. This high-performance cylindrical roller bearing, designed for heavy machinery applications, arrives with full traceability—eliminating the risks of counterfeit products that plague the industrial parts market.

Diseñado para condiciones de operación de alta resistencia

This double row roller bearing excels in environments with high radial loads and moderate axial loads, common in heavy machinery like excavators and rolling mills. Its open design allows for optimal lubrication customization, critical for operations in dusty or high-temperature settings. The 300mm inner diameter and robust cylindrical structure provide exceptional rigidity, ensuring stable performance even under fluctuating load conditions—key for maintaining equipment accuracy and extending service intervals.

Technical Features That Maximize Reliability

The NNU 4960 B/Spw33’s double row configuration distributes load evenly across contact surfaces, significantly enhancing fatigue resistance compared to single row alternatives. Its precision machining (adhering to SKF’s strict tolerance standards) minimizes vibration, reducing noise and improving energy efficiency in high-speed applications. The bearing’s lightweight 0.250 Kg design, despite its large inner diameter, helps reduce overall equipment weight without compromising load capacity—a critical factor in mobile machinery performance.

Por qué la autenticidad es importante para el costo total de propiedad

Counterfeit bearings may offer lower upfront costs, but they often fail within 30-50% of genuine SKF service life. This leads to frequent replacements, unplanned downtime, and potential damage to mating components—driving total costs up by 2-3 times. Our genuine NNU 4960 B/Spw33 SKF bearing for heavy machinery comes with the manufacturer’s assurance of material quality and performance, backed by ISO 9001:2015 certified quality control processes that verify every unit before shipment.

Su Socio de Confianza para Soluciones de Rodamientos

With 18 years in the industry, we’ve served brand owners, distributors, and industrial buyers across Europe, North America, and Southeast Asia. Our technical team provides free guidance on bearing selection and installation, ensuring optimal适配 for your specific machinery. We support flexible orders—with 1 piece MOQ for standard bearings—and efficient delivery (3-5 working days for samples, 5-15 for bulk orders). Every purchase includes a 12-month warranty, with free replacements for qualified defective products.

Packaging & Shipping

  • Secure factory packaging with SKF branding and product identification
  • Los pedidos de muestra se envían dentro de 3-5 días hábiles; los pedidos al por mayor dentro de 5-15 días hábiles

    Múltiples opciones logísticas: DHL, FedEx, UPS, transporte aéreo y transporte marítimo disponibles

    Seguimiento en tiempo real proporcionado para todos los envíos

  • 1 piece minimum order quantity supported for emergency maintenance needs

Get Your NNU 4960 B/Spw33 Bearing Today

Don’t let equipment downtime impact your productivity. Whether you need a single replacement bearing or bulk inventory, our team ensures fast, reliable delivery of genuine SKF products. Send us your requirements now to secure competitive pricing and expert support.

Preguntas Frecuentes

Q: Is this a genuine SKF bearing?

A: Yes, we are an authorized supplier of genuine SKF bearings. Each unit comes with full traceability documentation to verify authenticity.

P: ¿Cómo puedo confirmar que este rodamiento se ajusta a mi equipo?

A: Provide your machinery model or technical drawings, and our engineering team will verify compatibility at no cost.

Q: What warranty coverage is included?

A: All SKF bearings come with a 12-month warranty from the delivery date, covering manufacturing defects with free replacements.

P: ¿Cuál es la cantidad mínima de pedido?

A: We accept orders for 1 piece, ideal for emergency repairs or small-scale requirements.

P: ¿Cuánto tiempo tarda el envío?

A: Sample orders ship in 3-5 working days; bulk orders take 5-15 working days depending on quantity and destination.

Q: How do I verify the bearing’s authenticity?

A: Genuine SKF bearings feature laser-etched markings, holographic packaging, and unique serial numbers verifiable through SKF’s official channels.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

Tags: 300mm inner diameter roller bearing Double Row Roller Bearing Heavy Machinery Bearings high-performance cylindrical roller bearing NNU 4960 B/Spw33 bearing NNU 4960 B/Spw33 SKF bearing for heavy machinery SKF cylindrical roller bearing SKF NNU 4960 B/Spw33 high-performance bearing
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