Double Row Cylindrical Roller Bearing NNU4952 B-K/Sp W33 for High Load Industrial Machinery with Brass Cage

Product Specifications

Application Industries

Reduce Downtime with NNU4952 B-K/Sp W33 Double Row Cylindrical Roller Bearing for High Load Machinery

Industrial operations face critical challenges when bearings fail prematurely—unplanned downtime cuts production hours, emergency repairs inflate costs, and mismatched components compromise machinery performance. Sourcing high-load bearings often means navigating fragmented suppliers, inconsistent quality standards, and long lead times that delay maintenance. For manufacturers relying on heavy-duty equipment, these issues directly impact bottom-line results.

High Load Brass Cage Bearing Solutions In Stock and Ready for Shipment

Our NNU4952 B-K/Sp W33 Double Row Cylindrical Roller Bearing addresses these pain points with precision-engineered design optimized for high-load industrial machinery. As an official European bearing distributor, we maintain sufficient stock of P4/P2 grade bearings, ensuring your critical maintenance or production needs are met without delay. The brass cage construction enhances durability in demanding applications, making this bearing ideal for machine tool spindles, wind turbine gearboxes, and heavy-duty automation systems.

Engineered for Heavy Load and Precision Performance

This Double Row Cylindrical Roller Bearing excels in applications requiring simultaneous radial and axial load support, operating under high rotational speeds and heavy mechanical stress. Its separated inner and outer rings allow for easy mounting and dismounting, simplifying maintenance procedures. The W33 designation indicates a lubrication groove and three holes in the outer ring, ensuring efficient grease distribution for extended service life in continuous operation environments.

Technical Features That Ensure Reliable Operation

The bearing’s 60-64 HRC hardness rating guarantees exceptional wear resistance, critical for maintaining precision under constant load. Available clearance grades (C0-C5) provide flexibility to match specific operating conditions—tighter clearance (C2) for high-precision machinery or increased clearance (C4-C5) for applications with temperature variations. Vibration classes Z1V1 to Z3V3 allow selection based on noise and smoothness requirements, with higher classes ideal for precision machining where vibration control is essential. The brass cage material offers superior strength and heat resistance compared to standard steel cages, reducing deformation risk at elevated temperatures.

Long-Term Value of Genuine High Load Industrial Bearings

Choosing genuine bearings eliminates the hidden costs of counterfeit products—early failure, machinery damage, and production losses that far exceed initial price savings. Our bearings comply with ISO 9001 and DIN standards, verified through precision-oriented inspection procedures before shipment. In high-load applications like rolling mills or wind turbines, a single bearing failure can result in downtime costs exceeding $10,000 per hour. Investing in quality components reduces total cost of ownership by minimizing maintenance intervals and extending equipment lifespan.

Why Global Buyers Choose Our Bearing Solutions

Packaging & Shipping

• Secure carton pallet packaging with protective cushioning to prevent damage during transit
• Stock availability ensures dispatch within 3-7 working days for urgent requirements
• Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
• Real-time logistics tracking provided from warehouse to delivery
• Minimum order quantity of 1 unit, supporting both emergency repairs and scheduled maintenance

Get Your NNU4952 B-K/Sp W33 Bearing Delivered Fast

Every hour of equipment downtime impacts your production targets. Send us your bearing requirements today—including application details and quantity—and our team will provide a unified quotation within one working day. With our premium shockproof logistics, you can trust your NNU4952 B-K/Sp W33 Bearing will arrive in perfect condition, ready to restore your machinery to optimal performance.

Frequently Asked Questions