Double Row Cylindrical Roller Bearing NN 3028 K/SPC3W33 for CNC Machine Tools

Product Specifications

Application Industries

Prevent CNC Downtime with Genuine SKF NN 3028 K/SPC3W33 Double Row Cylindrical Roller Bearing

CNC machine operators know the frustration of unexpected spindle failures—hours of production lost, costly repairs, and missed deadlines. Many face challenges sourcing precise replacement bearings quickly, especially when dealing with multiple suppliers who can’t verify authenticity or provide consistent quality. The wrong bearing choice here doesn’t just affect performance; it risks compromising the accuracy of your entire machining process.

Authentic SKF Bearings in Stock for Immediate Deployment

Our SKF NN 3028 K/SPC3W33 Double Row Cylindrical Roller Bearing addresses these pain points directly. As an officially authorized SKF distributor, we guarantee 100% authentic products with full traceability documentation. With sufficient ready stock of P4/P2 precision grade bearings, we ensure rapid delivery to minimize your CNC machine downtime. This bearing, designed specifically for high-precision CNC machine tools, delivers the stability and accuracy critical for spindle applications.

Engineered for High-Precision CNC Machine Tool Performance

This double row cylindrical roller bearing excels in the demanding environment of CNC machine tool spindles, where high rotational speeds and radial loads are constant. Its cylindrical structure and open design optimize heat dissipation during extended operation, while the double row configuration provides superior radial load capacity—essential for maintaining precision in heavy-duty machining tasks. Whether used in vertical or horizontal spindles, this bearing ensures consistent performance under the stresses of continuous production.

Technical Features That Ensure CNC Spindle Reliability

The NN 3028 K/SPC3W33’s technical specifications directly impact your CNC machine’s performance. With an inner diameter of 140 mm, it fits standard spindle sizes, while the "K" designation indicates a tapered bore for easy mounting and dismounting—reducing maintenance time. The precision rating (Sp and up) ensures minimal runout, critical for achieving tight tolerances in machined parts. Its roller design distributes loads evenly across the raceways, extending bearing life even under fluctuating load conditions common in CNC operations.

Why Genuine SKF Bearings Reduce Total Cost of Ownership

Choosing genuine SKF bearings over counterfeit alternatives lowers your total cost of ownership significantly. Counterfeit bearings often fail prematurely due to substandard materials and manufacturing, leading to unplanned downtime, expensive spindle repairs, and potential damage to other machine components. In contrast, our SKF NN 3028 K/SPC3W33 meets strict ISO 9001 and DIN quality standards, with full-process quality traceability from material verification to delivery. The investment in authentic bearings pays off through longer service life, consistent performance, and fewer production interruptions.

Our Commitment to Reliable Bearing Solutions

Packaging & Shipping

• Original SKF packaging with batch traceability and product certification
• Shockproof and dustproof packaging to preserve precision during transit
• Expedited delivery options available for urgent maintenance needs
• Real-time logistics tracking provided from warehouse to delivery
• Minimum order quantity of 1 unit, ideal for emergency repairs or small-batch requirements

Secure Your CNC Machine’s Performance Today

Don’t let bearing issues disrupt your production schedule. The SKF NN 3028 K/SPC3W33 Double Row Cylindrical Roller Bearing is in stock and ready to ship—ensuring your CNC machine returns to operation quickly. Send us your requirements, and our team will confirm compatibility and provide a quotation within one working day.

Frequently Asked Questions