Product Specifications
| Parameter |
Details |
| Model Designation |
NN 3014 KTN/SPVR521 |
| Bore Diameter (d) |
70 mm |
| Number of Rows |
Double Row |
| Seal Type |
Open |
| Trademark |
SKF |
| Origin |
China |
| Selling Units |
Single Item |
| Package Size Per Batch |
10X10X10 cm |
| Gross Weight Per Batch |
0.250 kg |
Application Industries
| Industry |
Typical Equipment |
| Machine Tools |
CNC Spindles, Lathes, Milling Machines |
| Industrial Machinery |
Gearboxes, Electric Motors, Pumps |
| Steel & Metallurgy |
Rolling Mill Equipment, Conveyors |
| Construction Machinery |
Crushers, Mixers, Material Handling Systems |
Reduce Downtime with Genuine SKF NN 3014 KTN/SPVR521 Cylindrical Roller Bearing
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failure. When critical equipment like CNC spindles or gearboxes stop working, every hour of delay means lost production and mounting repair costs. Finding the right replacement bearings often involves coordinating with multiple suppliers, each with different lead times and quality standards—especially for specialized double row cylindrical roller bearings.
Authentic SKF Cylindrical Roller Bearing, In Stock for Immediate Delivery
As an official SKF distributor, we stock the NN 3014 KTN/SPVR521 Double Row Open Cylindrical Roller Bearing to address your urgent maintenance needs. This industrial machinery bearing features a double row design optimized for high radial load capacity, making it ideal for heavy-duty applications in machine tools and industrial gearboxes. Our ISO 9001 quality inspection system ensures every unit meets SKF’s strict performance standards, with full traceability documentation provided with each order.
Engineered for High-Performance Industrial Applications
The NN 3014 KTN/SPVR521 excels in applications requiring precise radial load handling and rigidity. Its double row construction distributes loads evenly across rolling elements, enabling reliable operation in high-speed rotating equipment like CNC machine spindles. The open design allows for lubrication customization, adapting to varying temperature and contamination conditions common in steel mills and construction machinery environments. When paired with proper maintenance, this bearing delivers extended service life in continuous-duty industrial settings.
Key Technical Features Driving Performance
This SKF cylindrical roller bearing incorporates several engineering features that directly impact equipment reliability. The “K” designation indicates a tapered bore, facilitating easy mounting and dismounting for maintenance—critical for minimizing downtime during repairs. The “TN” cage design, typically made of polyamide, provides stable roller guidance even at high speeds while reducing friction and noise. With a 70 mm inner diameter, it fits standard industrial shafts, ensuring compatibility with common machine tool and gearbox designs. The double row configuration offers 30-40% higher radial load capacity compared to single row alternatives, making it suitable for heavy-duty applications.
Why Original SKF Bearings Lower Total Cost of Ownership
Choosing genuine SKF bearings over counterfeit alternatives eliminates hidden costs that quickly erode initial savings. Counterfeit cylindrical roller bearings often fail prematurely due to substandard materials and manufacturing tolerances, leading to secondary equipment damage and unplanned production stops. A single bearing failure in a critical machine can cost thousands in repair labor and lost output—far exceeding the price difference between original and imitation parts. Our customers report 40-60% longer service life with authentic SKF bearings, directly reducing maintenance frequency and overall equipment operating costs.
Our Commitment to Reliable Bearing Supply
With 1200+ clients across 55+ countries, we’ve built our reputation on four pillars of reliability: official SKF authorization ensuring genuine products, a centralized inventory system maintaining stock availability, cross-brand technical expertise to support选型 and application questions, and unified quality control through ISO 9001 certification. Our one-stop procurement process allows you to mix SKF and Timken products in a single order, simplifying supplier management while maintaining consistent quality standards. Every bearing ships with complete documentation, including origin certificates and quality inspection reports, to support your compliance requirements.
Packaging & Shipping
- Original SKF packaging with product identification label and batch traceability
- Standard delivery: 3-7 business days for in-stock items
- Multiple logistics options: DHL, FedEx, UPS, air freight, or sea freight
- Real-time tracking number provided upon shipment
- Minimum order quantity: 1 piece, supporting emergency repairs and small-batch requirements
Get Your Maintenance Back on Schedule
Don’t let equipment downtime impact your production targets. The NN 3014 KTN/SPVR521 bearing is in stock and ready to ship—order today to minimize repair delays. Whether you need a single replacement or multiple units for planned maintenance, our streamlined ordering process ensures you get the right bearing when you need it.
Frequently Asked Questions
Q: Is this a genuine SKF bearing?
A: Yes, we are an official SKF authorized distributor. Every bearing can be traced to SKF’s official supply chain, and we provide complete authorization documentation with your order.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model or existing bearing designation, and our technical team will verify compatibility at no charge. We can also help with cross-brand model matching if needed.
Q: What is your warranty policy?
A: All SKF bearings come with the manufacturer’s standard warranty, covering manufacturing defects. We handle warranty claims directly with SKF for efficient resolution.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making us ideal for emergency maintenance situations where small quantities are needed quickly.
Q: How quickly can you ship this bearing?
A: This model is in stock and typically ships within 1-2 business days. Delivery takes 3-7 business days depending on your location and chosen shipping method.
Q: How can I verify the bearing’s authenticity?
A: Authentic SKF bearings feature laser-etched markings, holographic packaging labels, and unique batch codes. We provide all necessary documentation to verify authenticity through SKF’s official channels.
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