Double Row Cylindrical Roller Bearing NN3012-K-TN-Sp W33 for CNC Machine Tool Low Noise

Class

P4 / P2

Origin

DE / SE

Standard

DIN 620

Lead

3-7 Days

Double Row Cylindrical Roller Bearing NN3012-K-TN-Sp W33 for CNC Machine Tool Low Noise

ISO 9001 · DIN Certified

<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>

Technical Specifications

Type
Cylindrical Roller Bearing
Precision Class
P4 / P2
Certification
ISO 9001
Radial Runout
≤ 1.5 μm
Delivery
3-7 Business Days
Reply within 12 hours NDA available Full certification docs Precision packaging
Product Description

Technical Details & Application

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
Specification As Your Request
Trademark zhaoyun
Origin Jiangsu China
HS Code 8482800000
Production Capacity 1000000

Application Industries

Industry Typical Equipment
Manufacturing CNC Machine Tools, High-precision Spindles

Reduce CNC Machine Downtime with NN3012-K-TN-Sp W33 Low Noise Double Row Cylindrical Roller Bearing

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.

Precision Bearings for High-Performance CNC Operations

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.

Optimal Performance in CNC Spindle Applications

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.

Key Technical Features That Matter

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.

Why Genuine Precision Bearings Lower Total Costs

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.

Your Trusted Source for High-Precision Bearings

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.

Packaging & Shipping

  • Carton pallet packaging for secure transportation
  • Fast delivery for in-stock items
  • Multiple logistics options including DHL, FedEx, and UPS
  • Real-time shipment tracking provided
  • Flexible order quantities to meet both maintenance and production needs

Get Your CNC Machine Back to Peak Performance

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.

Frequently Asked Questions

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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Technical Support

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

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