Double Row Cylindrical Roller Bearing NNU4926 B/Sp W33 for CNC Machine Tools C3 Clearance

Product Specifications

Application Industries

Minimize CNC Downtime with NNU4926 B/Sp W33 Double Row Cylindrical Roller Bearing

CNC machine operators know the frustration of unexpected spindle failures—hours of production lost, expensive repairs, and missed deadlines. Many face challenges sourcing reliable C3 clearance bearings that maintain precision under heavy loads, or struggle with long lead times when urgent replacements are needed.

Genuine NNU4926 Bearings in Stock for Immediate Delivery

Our Double Row Cylindrical Roller Bearing NNU4926 B/Sp W33 with C3 clearance is engineered to solve these pain points. As an officially authorized distributor, we maintain sufficient ready stock of P4/P2 precision grade bearings, ensuring your CNC machine tools get the exact component they need without delay. This bearing’s separated design allows easy installation and maintenance, critical for minimizing machine downtime.

Optimal Performance in High-Precision Machining

This Double Row Cylindrical Roller Bearing excels in CNC machine tool spindles, where it withstands both radial and axial loads at high speeds. The C3 clearance rating provides the necessary internal space to accommodate thermal expansion during continuous operation, preventing overheating and premature wear. Its non-aligning design ensures stability in rigid machine structures, delivering consistent precision for complex machining tasks.

Key Technical Features That Matter

The bearing’s 60-64 HRC hardness ensures exceptional wear resistance, extending service life even under heavy cutting conditions. Available with brass or steel cages, it offers flexibility to match specific application requirements—brass cages for higher speed stability and steel cages for enhanced durability in harsh environments. Vibration grades Z1V1 to Z3V3 allow customization based on noise sensitivity, ensuring smooth operation in precision machining setups. The medium and large outer dimension range (120-190mm) makes it suitable for a variety of CNC spindle sizes.

Why Authentic Bearings Reduce Total Cost of Ownership

Counterfeit bearings may offer lower upfront prices, but they often fail prematurely due to substandard materials and poor manufacturing. This leads to unplanned downtime, increased repair costs, and potential damage to expensive CNC components. Our bearings come with full authorization certificates and quality inspection documents, ensuring compliance with ISO 9001 and DIN standards. By investing in genuine NNU4926 B/Sp W33 bearings, you avoid hidden costs and ensure consistent machine performance.

Why Global Manufacturers Trust Our Bearings

Packaging & Shipping

• Carton pallet packaging with protective measures to prevent damage during transit
• Ready stock available for rapid delivery, with priority processing for urgent orders
• Global logistics options including DHL, FedEx, UPS, air freight, and sea freight
• Real-time full logistics tracking for shipment monitoring
• Minimum order quantity of 1 piece, supporting both emergency maintenance and small-batch procurement

Get Your NNU4926 Bearing Shipped Today

Don’t let bearing issues slow down your production. Send us your NNU4926 B/Sp W33 bearing requirements, including quantity and application details, and our team will provide a unified quotation within one working day. With our ready stock and efficient logistics, you can have your CNC machine back up and running in minimal time.

Frequently Asked Questions