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, Spindles, Gearboxes |
| Industrial Machinery |
Machine Tools, Textile Machinery, Printing Equipment |
Reduce CNC Machine Downtime with NN3012-K-TN-Sp W33 Double Row Cylindrical Roller Bearing
CNC machine operators know the frustration of unexpected downtime caused by bearing failures. Excessive noise, vibration, and premature wear not only disrupt production schedules but also increase maintenance costs. When precision and reliability are critical, choosing the right bearing directly impacts your machine’s performance and operational efficiency.
Engineered for CNC Machine Tool Performance
The Double Row Cylindrical Roller Bearing NN3012-K-TN-Sp W33 addresses these challenges with its low noise operation and robust design. As a professional bearing manufacturer with decades of experience, we produce this bearing to meet P0-P4 precision grades and Z2-Z4 noise grades, ensuring it fits seamlessly into high-precision CNC applications. Our one-stop service covers R&D, production, and global supply, allowing us to deliver bearings that meet your exact specifications.
Optimal Performance in CNC Operating Conditions
This bearing is specifically designed for CNC machine tools, where high rotational speeds and radial loads are common. Its separated structure allows for easy installation and maintenance, while the brass or steel cage ensures stable operation even under continuous use. The 60-64 HRC hardness provides excellent wear resistance, making it suitable for the demanding conditions of metalworking and precision machining.
Key Technical Features Enhancing CNC Performance
The NN3012-K-TN-Sp W33 incorporates critical technical features that define its performance. The clearance options (C0, C2, C3, C4, C5) allow customization based on specific load and temperature requirements, ensuring optimal preload and reducing vibration. Vibration grades Z1V1 to Z3V3 contribute to low noise operation, a essential factor in precision machining environments. The use of high-grade bearing steel, processed with mature production technology, guarantees stable performance and long service life, directly reducing the frequency of replacements and maintenance.
Long-Term Value of Precision Bearings for CNC Machines
Choosing a low-quality bearing may seem cost-effective initially, but the hidden costs of frequent replacements, machine downtime, and subpar machining accuracy quickly add up. Our Double Row Cylindrical Roller Bearing complies with ISO international standards, ensuring consistent quality and reliability. With a 12-month warranty and strict quality control processes—including incoming material inspection and full-process supervision—we stand behind the performance of every bearing, helping you lower total operational costs.
Why CNC Manufacturers Trust Our Bearings
Our commitment to quality and customer service has made us a trusted partner for industrial buyers worldwide. We hold ISO 9001:2015 and ISO 14001 certifications, and our in-house laboratory conducts comprehensive tests, including dimensional detection and service life experiments. With flexible order policies—1 piece MOQ for standard bearings and sample orders without MOQ—we support both small-scale maintenance and large production runs. Our professional technical team offers free guidance on selection and installation, ensuring you get the right bearing for your CNC machine.
Packaging & Shipping
- Carton Pallet packaging for secure transportation
- 3-5 working days for sample orders, 5-15 working days for bulk orders
- Multiple logistics options including express, air, and sea freight
- Real-time logistics tracking provided for all shipments
- 1 piece MOQ for standard bearings, customized order quantity negotiable
Get Your NN3012-K-TN-Sp W33 Bearing Today
Don’t let bearing issues slow down your CNC production. Send us your requirements, including quantity and specific application details, and our team will provide a tailored quote within 24 hours. With our efficient delivery and reliable quality, you can minimize downtime and keep your machines running at peak performance.
Frequently Asked Questions
Q: Is this bearing suitable for high-precision CNC spindles?
A: Yes, this bearing is manufactured to P0-P4 precision grades, making it ideal for high-precision CNC spindle applications where accuracy and low noise are critical.
Q: Can I request a specific clearance for my application?
A: Yes, we offer clearance options C0, C2, C3, C4, and C5. Our technical team can help you select the appropriate clearance based on your load and operating temperature requirements.
Q: What warranty is provided for this bearing?
A: We offer an official 12-month warranty from the date customers receive the goods. Qualified defective products are eligible for free replacement or refund.
Q: What is the minimum order quantity for this bearing?
A: The minimum order quantity for standard bearings is 1 piece, supporting both small maintenance orders and large production requirements.
Q: How quickly can I receive my order?
A: Sample orders are delivered within 3-5 working days, and bulk orders within 5-15 working days, depending on quantity and customization needs.
Q: Do you provide technical support for bearing installation?
A: Yes, our professional technical team offers free guidance on bearing selection, installation, lubrication, and daily maintenance, including remote troubleshooting support.
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