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, Precision Machining Centers, Lathes, Milling Machines |
| Industrial Machinery | Spindles, Gearboxes, Electric Motors, Machine Tool Spindles |
Reduce CNC Machine Downtime with NN3012-K-TN-Sp Double Row Cylindrical Roller Bearing
CNC machine operators know the frustration of unexpected downtime caused by bearing failure. Low-quality bearings with inconsistent vibration levels can compromise machining precision and shorten tool life, leading to costly production delays. Sourcing reliable bearings often means coordinating with multiple suppliers, each with different lead times and quality standards—wasting valuable time better spent on core operations.
NN3012-K-TN-Sp Bearing: Engineered for Low Noise CNC Performance
Our Double Row Cylindrical Roller Bearing NN3012-K-TN-Sp addresses these challenges with Z3V3 vibration grade, specifically designed for low noise CNC machine tools. As an official authorized SKF solution provider, we ensure full-process quality control compliant with global standards, eliminating the risks of counterfeit or substandard components. With one-stop system procurement capabilities, we simplify your supply chain by handling all your bearing and maintenance product needs in a single transaction.
Optimal Performance in Precision Machining Environments
This Double Row Cylindrical Roller Bearing excels in high-speed, precision applications where minimal vibration and noise are critical. The separated design allows for easy mounting and dismounting, simplifying maintenance procedures. With a hardness of 60-64 HRC, it delivers reliable performance under the continuous loads and rapid speed changes typical in CNC machining centers, ensuring consistent accuracy across production runs.
Key Technical Features for CNC Machine Reliability
The Z3V3 vibration grade of this bearing ensures exceptional smooth operation, reducing noise levels and improving surface finish quality of machined parts. Available clearance options (C0, C2, C3, C4, C5) allow precise matching to specific machine tool requirements, optimizing preload and thermal expansion compensation. The choice of brass or steel cages provides flexibility—brass cages offer superior high-speed stability, while steel cages excel in heavy-duty applications, ensuring the bearing adapts to your unique operating conditions.
Long-Term Value of Genuine Precision Bearings
Investing in genuine Double Row Cylindrical Roller Bearings like the NN3012-K-TN-Sp reduces total cost of ownership by minimizing unplanned downtime and extending maintenance intervals. Counterfeit bearings often fail prematurely, leading to expensive repairs, scrap parts, and production losses that far exceed the initial savings. Our bearings meet strict quality standards, supported by complete authorization and inspection documents, ensuring you receive components that deliver consistent performance over their full service life.
Why Global CNC Shops Trust Our Bearing Solutions
With official full-category authorization from leading brands, we provide bearings traceable to authentic manufacturing processes. Our sealing and lubrication engineering team offers专业 scheme matching to ensure optimal bearing performance in your specific CNC application. Serving over 900 clients across 50+ countries, we deliver fast emergency maintenance support to minimize production disruption. Our one-stop procurement process reduces supplier management costs, with cross-brand model matching and unified quotations provided within one working day.
Packaging & Shipping
- Packaged in carton pallets with protective cushioning to prevent damage during transit
- Stock availability ensures priority delivery for urgent maintenance needs
- Multiple logistics options including DHL, FedEx, UPS, air, and sea freight
- Full logistics tracking provided from warehouse to delivery
- Minimum order quantity of 1 piece supported for emergency repairs
Get Your NN3012-K-TN-Sp Bearing Today
Don’t let bearing issues slow down your CNC production. Send us your bearing designation, machine details, and required quantity to receive a prompt quotation. With our fast emergency delivery service, you can minimize downtime and get back to full productivity quickly.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: As an official authorized solution provider, all our bearings are sourced through legitimate supply chains and come with complete authorization and quality inspection documents for full traceability.
Q: How do I confirm if this bearing fits my CNC machine?
A: Provide your machine model, spindle specifications, or existing bearing part number, and our technical team will verify compatibility and recommend the optimal clearance and cage material for your application.
Q: What is your warranty policy for this bearing?
A: We stand behind the quality of our products with a warranty covering manufacturing defects. In the unlikely event of a defect, we offer unconditional replacement to ensure your satisfaction.
Q: What is the minimum order quantity for this bearing?
A: We accept orders for 1 piece, making us ideal for emergency maintenance situations where small quantities are needed quickly.
Q: How long does shipping take for the NN3012-K-TN-Sp bearing?
A: For in-stock items, we arrange shipment within 3-7 working days. Delivery time depends on your location and chosen logistics method, with expedited options available for urgent requirements.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing comes with original packaging and documentation. You can cross-check the trademark, serial numbers, and packaging details against manufacturer specifications, and we provide additional verification support if needed.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.