Product Specifications
| Parameter |
Details |
| Model NO. |
Double Row Cylindrical Roller Bearing |
| Outer Dimension |
Medium and Large(120-190mm) |
| Material |
Bearing Steel |
| Spherical |
Non-Aligning Bearings |
| Load Direction |
Axial Bearing |
| Separated |
Separated |
| Clearance |
C0 C2 C3 C4 C5 |
| Cage |
Brass, Steel |
| Vibration |
Z1V1 Z2V2 Z3V3 |
| Hardness |
60-64 HRC |
| Transport Package |
Carton Pallet |
| HS Code |
8482800000 |
Application Industries
| Industry |
Typical Equipment |
| Manufacturing |
CNC Machine Tools, Precision Lathes, Machining Centers |
| Machine Tools |
Spindles, Gearboxes, Rotary Tables |
Reduce CNC Machine Downtime with NN3012-K-TN-Sp W33 Low Noise Double Row Cylindrical Roller Bearing
CNC machine operators know the frustration of unexpected downtime caused by bearing failure. A single hour of production loss can cost thousands in missed deadlines and idle labor. Sourcing reliable low noise bearings for high-precision spindles often means juggling multiple suppliers, each with different lead times and quality standards. This fragmentation leads to delayed maintenance and compromised machining accuracy.
Precision Bearings for CNC Machines, In Stock and Ready to Ship
Our Double Row Cylindrical Roller Bearing NN3012-K-TN-Sp W33 is engineered to address these challenges. As an official authorized distributor of SKF & Timken, we maintain a large centralized inventory, ensuring this low noise bearing is available for immediate dispatch. The separated design allows for easy installation and maintenance, critical for minimizing CNC machine downtime. Each unit undergoes rigorous inspection through our unified ISO 9001 quality system, guaranteeing consistent performance in high-speed machining applications.
Optimized Performance in CNC Machine Spindles
This Double Row Cylindrical Roller Bearing excels in the demanding environment of CNC machine tool spindles, where precision and low noise are paramount. Operating under high radial loads and moderate axial loads, it maintains stability at speeds up to the bearing’s reference limit. The non-aligning design ensures accurate positioning, while the low vibration levels (Z1V1 to Z3V3) contribute to quieter operation—essential for maintaining a comfortable workshop environment and reducing noise-related wear on adjacent components.
Technical Features That Enhance CNC Machining Accuracy
The NN3012-K-TN-Sp W33 incorporates critical design elements that directly impact CNC machine performance. Its bearing steel construction delivers a hardness of 60-64 HRC, providing the durability needed to withstand continuous operation. The brass or steel cage options offer flexibility: brass cages excel in high-temperature applications, while steel cages provide cost-effective reliability for standard machining conditions. Clearance options from C0 to C5 allow precise adjustment to match specific spindle preload requirements, ensuring optimal rigidity and minimizing thermal expansion effects during extended machining cycles. The W33 designation indicates a lubrication groove and three holes in the outer ring, facilitating efficient lubricant distribution for extended service life.
Why Authentic Bearings Matter for CNC Productivity
Choosing genuine low noise cylindrical roller bearings over counterfeit alternatives directly impacts your bottom line. Counterfeit bearings often fail prematurely due to substandard materials and manufacturing processes, leading to unplanned CNC machine shutdowns. The hidden costs include not just replacement parts but also lost production, rework of defective components, and potential damage to expensive spindle assemblies. Our bearings adhere to strict quality standards, supported by complete authorization documentation, ensuring you receive a product engineered to deliver consistent performance and predictable service life—ultimately lowering your total cost of ownership.
Your Trusted Partner for CNC Bearing Solutions
With over a decade of experience serving 1,200+ clients across 55+ countries, we’ve built our reputation on reliability and technical expertise. Our dual-brand authorization from SKF and Timken means you gain access to premium bearings without managing multiple supplier relationships. Our cross-brand technical team provides free选型 support, helping you confirm the NN3012-K-TN-Sp W33 is the right fit for your specific CNC machine model. We simplify procurement with one-stop mixed ordering and centralized delivery, while our global logistics network ensures your bearings arrive when and where you need them. Every order includes comprehensive quality certification, giving you confidence in your supply chain.
Packaging & Shipping
- Secure carton pallet packaging with protective internal padding
- 现货 available for dispatch within 3-7 working days
- Multiple logistics options including DHL, FedEx, UPS, air freight, and sea freight
- Full tracking provided from warehouse to delivery
- Minimum order quantity of 1 piece, ideal for emergency repairs or scheduled maintenance
Get Your CNC Machine Back to Peak Performance
Don’t let bearing issues disrupt your production schedule. The longer your CNC machine sits idle, the more revenue you lose. Our NN3012-K-TN-Sp W33 Low Noise Double Row Cylindrical Roller Bearing is in stock and ready to ship—order today to minimize downtime and maintain machining precision.
Frequently Asked Questions
Q: Are these bearings genuine original products?
A: Yes, as an official authorized distributor of SKF & Timken, every bearing we supply is sourced directly from the manufacturers and comes with complete authorization documentation for full traceability.
Q: How can I confirm this bearing fits my CNC machine?
A: Provide your CNC machine model or spindle specifications, and our technical team will verify compatibility with the NN3012-K-TN-Sp W33 bearing at no cost.
Q: What is the warranty policy for this bearing?
A: We offer a manufacturer-backed warranty covering all manufacturing defects. In the unlikely event of a quality issue, we provide hassle-free replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making it easy to source emergency replacement bearings for critical machine repairs.
Q: How quickly can I receive my order?
A: This bearing is in stock and typically ships within 3-7 working days. We offer expedited shipping options for urgent requirements.
Q: How do I verify the authenticity of the bearing upon delivery?
A: Each bearing comes with original packaging featuring manufacturer-specific markings and security labels. We also provide certificate of conformance and batch traceability documentation upon request.
Ready to order or need a quote?
Send your bearing designation (NN3012-K-TN-Sp W33), CNC machine details, and required quantity — we’ll respond within 24 hours with pricing and availability.
