NNU4956B/SPW33 SKF Cylindrical Roller Bearing 280mm ID for Construction Machinery

Product Specifications

Application Industries

Stop Construction Delays with Reliable NNU4956B/SPW33 SKF Cylindrical Roller Bearings

Construction machinery downtime costs $800-$1,500 per hour in lost productivity. Many contractors face unexpected failures due to low-quality bearings that can't handle heavy radial loads and high rotational speeds. Sourcing genuine double row roller bearings often means long lead times from multiple suppliers, leaving equipment idle when you need it most.

Genuine SKF NNU4956B/SPW33 Bearings, In Stock and Ready to Ship

As an official SKF distributor, we stock the NNU4956B/SPW33 cylindrical roller bearing to meet your urgent maintenance needs. This 280mm ID bearing features a double row design optimized for construction machinery, providing exceptional load capacity for excavator booms, loader arms, and crane pivot points. Our ISO 9001 quality control system ensures every bearing meets SKF's strict performance standards before it leaves our warehouse.

Engineered for Heavy-Duty Construction Environments

The NNU4956B/SPW33 SKF cylindrical roller bearing excels in harsh operating conditions. Its open type design allows for easy lubrication maintenance, critical in dusty construction sites. The double row configuration delivers superior radial load handling—essential for equipment subject to constant vibration and shock loads. Whether your machinery operates in high-temperature environments or under heavy loads, this bearing maintains consistent performance to keep your projects on schedule.

Technical Features That Maximize Equipment Uptime

The NNU4956B/SPW33's 280mm inner diameter accommodates large shafts commonly found in construction machinery gearboxes and pivot assemblies. Its cylindrical roller structure ensures efficient load distribution across the raceway, reducing stress concentrations and extending service life. The SPW33 design signifies SKF's high-precision manufacturing, minimizing vibration and noise during operation. These technical attributes translate directly to fewer replacements, lower maintenance costs, and longer intervals between equipment overhauls.

Why Genuine SKF Bearings Deliver Lower Total Cost of Ownership

Non-genuine double row roller bearings may cost 30% less upfront, but they typically fail within 30-50% of the service life of genuine SKF products. A single bearing failure in a critical application can cause secondary damage to gears, shafts, and housings, resulting in repair costs 10-15 times the price of the bearing itself. Our genuine SKF NNU4956B/SPW33 bearings come with full traceability and performance guarantees, ensuring you avoid these hidden costs and maintain consistent equipment reliability.

Your Trusted Partner for Bearing Procurement

Packaging & Shipping

• Original SKF packaging with product identification and batch traceability
• Protective outer packaging to prevent damage during transit
• Global shipping via DHL, FedEx, UPS, air freight, or sea freight
• Real-time logistics tracking provided for all orders
• Minimum order quantity of 1 piece, ideal for emergency repairs

Get Your NNU4956B/SPW33 Bearing Today

Don't let equipment downtime derail your construction schedule. Our in-stock NNU4956B/SPW33 SKF cylindrical roller bearing is ready to ship, with delivery in 3-7 business days to most locations. Send us your requirements now to secure prompt delivery and get your machinery back to work.

Frequently Asked Questions