Cylindrical Roller Bearing
Class
P4 / P2
Origin
DE / SE
Standard
DIN 620
Lead
3-7 Days
<p>Ensure your CNC machine tool operates with minimal vibration and extended spindle life with our <strong>Double Row Cylindrical Roller Bearing NN3012-K-TN-Sp W33</strong>, engineered for low-noise precision in high-speed machining environments. This spindle bearing delivers consistent radial load capacity and exceptional running accuracy, critical for maintaining tight tolerances in complex workpieces.</p><ul><li>Featuring a brass cage (TN) and optimized internal clearance (Sp), it reduces heat generation during prolonged operation, addressing common downtime concerns in continuous production setups</li><li>Hardness rated at 60-64 HRC for superior wear resistance, paired with Z1V1-Z3V3 vibration grades to minimize operational noise—ideal for precision-critical applications like aerospace component manufacturing</li></ul>
Related Keywords
| 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 |
| Specification | As Your Request |
| Trademark | zhaoyun |
| Origin | Jiangsu China |
| HS Code | 8482800000 |
| Production Capacity | 1000000 |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, High-precision Spindles |
CNC machine operators know the frustration: unexpected bearing noise leading to poor surface finishes, or premature failures causing unplanned production stops. Sourcing reliable precision bearings often means coordinating with multiple suppliers, each with different lead times and quality standards—wasting valuable time that could be spent on manufacturing.
The Double Row Cylindrical Roller Bearing NN3012-K-TN-Sp W33 addresses these challenges directly. As a key component in CNC machine tool spindles, its low noise design (Z1V1 to Z3V3 vibration grades) ensures stable operation even at high speeds, while the separated structure allows for easy installation and maintenance. Backed by our ISO 9001 and DIN compliant inspection system, every unit undergoes rigorous testing before shipment, ensuring consistent performance.
This bearing excels in the demanding conditions of CNC machine tool spindles, where it must withstand both radial and axial loads while maintaining precision. The brass or steel cage options provide durability and heat resistance, critical for continuous operation. With a hardness of 60-64 HRC, it delivers the wear resistance needed for long service life in high-precision manufacturing environments.
The NN3012-K-TN-Sp W33’s technical specifications are engineered for CNC performance. Its clearance options (C0 to C5) allow customization to specific spindle preload requirements, balancing rigidity and thermal expansion. The vibration grades (Z1V1 to Z3V3) directly impact machining accuracy—lower vibration levels translate to smoother cuts and better surface finishes. The separated design simplifies spindle assembly and maintenance, reducing machine downtime during bearing replacement.
Choosing a precision roller bearing like the NN3012-K-TN-Sp W33 over lower-quality alternatives pays off in the long run. Inferior bearings may seem cheaper upfront but often fail prematurely, leading to costly production interruptions, rework, and potential damage to expensive spindle components. Our bearings meet strict quality standards, supported by complete certification documents, ensuring you avoid the hidden costs of frequent replacements and unplanned downtime.
As an official authorized premium European bearing distributor, we bring 15+ years of experience serving 800+ clients across 45+ countries. Our dual European brand authorization ensures genuine products, while our P4/P2 grade stock means we can fulfill urgent orders quickly. Senior application engineers are available to assist with选型 and technical support, and our precision testing procedures guarantee that every bearing meets the required specifications. We handle all documentation, from certification to export paperwork, simplifying compliance for your projects.
Don’t let bearing issues slow down your production. The NN3012-K-TN-Sp W33 Double Row Cylindrical Roller Bearing is designed to keep your CNC machine tool running smoothly, with low noise and reliable precision. Contact us today with your requirements, and our team will provide a prompt quote and technical support.
Q: Are these bearings genuine and traceable?
A: Yes, as an official authorized distributor, we ensure all products are genuine and provide complete certification documents for traceability.
Q: How can I confirm this bearing is suitable for my CNC machine?
A: Provide your machine model or spindle specifications, and our senior application engineers will verify compatibility and provide选型 support.
Q: What is the warranty policy for this bearing?
A: We offer a warranty against manufacturing defects, with replacement or refund provided for non-conforming products.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, supporting both emergency maintenance and bulk production needs.
Q: How long does shipping take?
A: In-stock items are shipped within 3-7 working days, with various logistics options to meet your timeline requirements.
Q: How can I verify the authenticity of the bearing?
A: Each bearing comes with packaging that includes verification features. We also provide full certification documents and traceability information upon request.
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Cylindrical Roller Bearing
Cylindrical Roller Bearing
Cylindrical Roller Bearing
Cylindrical Roller Bearing
Submit your inquiry for Double Row Cylindrical Roller Bearing NN3012-K-TN-Sp W33 for CNC Machine Tool Low Noise and our senior application engineers will respond within 12 hours with pricing, availability, and technical documentation.
Authorized European Stock
Genuine FAG & SKF, traceable certificates
Reply Within 12 Hours
Senior engineers, multi-language support
Full Certification Docs
ISO 9001, DIN 620, material certs available