High Speed Double Row Cylindrical Roller Bearing NN 3052/SPC3W33 for CNC Machine Tools

Product Specifications

Application Industries

Reduce CNC Downtime with Reliable NN 3052/SPC3W33 High Speed Double Row Cylindrical Roller Bearing

CNC machine operators know the frustration of unexpected spindle failures—hours of production lost, maintenance crews scrambling, and deadlines slipping. Too often, generic bearings fail prematurely under high-speed conditions, while sourcing genuine replacements from multiple suppliers creates delays and quality inconsistencies.

Genuine SKF Bearings, In Stock for Immediate Delivery

Our High Speed Double Row Cylindrical Roller Bearing NN 3052/SPC3W33 eliminates these headaches. As an officially authorized SKF distributor, we maintain ready stock of P4/P2 precision grade bearings, ensuring you get authentic components without the typical 4-6 week lead time. This bearing is specifically engineered for CNC machine tool spindles, where its double row cylindrical design delivers exceptional radial load capacity and high-speed stability.

Engineered for High-Precision Machining Environments

This bearing thrives in the demanding conditions of CNC machining centers, where it operates under continuous high rotational speeds and heavy radial loads. The open seal design minimizes friction at high RPM, while the double row configuration provides superior rigidity—critical for maintaining machining accuracy in precision milling and turning operations. Whether your application involves high-speed finishing or heavy-duty roughing, this bearing delivers consistent performance under varying load conditions.

Technical Features That Maximize Spindle Performance

The NN 3052/SPC3W33's design addresses key performance requirements for CNC spindles. Its double row cylindrical structure increases radial load handling capability, allowing it to support the forces generated during aggressive cutting operations. The SPC3 precision class ensures tight dimensional tolerances, reducing runout and vibration that can compromise machining accuracy. With an inner diameter of 260 mm, this bearing fits mid-to-large size spindles commonly found in vertical machining centers and heavy-duty lathes. The open design allows for optimal lubrication circulation, essential for heat dissipation in high-speed applications.

Why Genuine SKF Bearings Lower Total Cost of Ownership

Choosing genuine SKF High Precision Cylindrical Roller Bearings over counterfeit alternatives delivers measurable long-term savings. While imitation bearings may cost less upfront, they typically fail 30-50% sooner under CNC operating conditions, leading to unplanned downtime that can cost $1,000-$5,000 per hour in lost production. Our bearings meet ISO 9001 and DIN standards, with full process quality traceability from material inspection to delivery—ensuring you receive components that perform as engineered and last as expected.

Why 800+ Global Clients Trust Our Bearing Solutions

Packaging & Shipping

• Original SKF packaging with product certification documentation
• Precision-engineered shockproof packaging to prevent damage during transit
• Global logistics options including DHL, FedEx, and UPS for expedited delivery
• Real-time shipment tracking provided from warehouse to delivery
• Minimum order quantity of 1 piece, ideal for emergency maintenance needs

Get Your CNC Spindle Back in Operation Fast

Don't let bearing issues keep your CNC machines idle. Send us your NN 3052/SPC3W33 order today and take advantage of our ready stock for rapid delivery. Every day of downtime risks missed deadlines and lost revenue—secure your genuine SKF bearing now.

Frequently Asked Questions