Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | NN3017KTN9/SPVR521 |
| Type | Cylindrical Roller |
| Number of Row | Double Row |
| Inner Diameter | 85 mm |
| Seals Type | Open |
| Trademark | SKF |
| Origin | China |
| Selling Units | Single Item |
| Package Size Per | 10X10X10cm Batch |
| Gross Weight Per | 0.250kg Batch |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Gearboxes, Electric Motors |
| Automation & Conveyors | Conveyor Systems, Robotic Arms, Precision Actuators |
| Special Equipment | Printing Machinery, Textile Machines, Paper Processing Equipment |
| Industrial Maintenance | Factory Upgrading Projects, Equipment Overhaul |
Prevent Costly Downtime with Genuine SKF NN3017KTN9/SPVR521 Double Row Cylindrical Roller Bearing
Industrial equipment operators know the frustration of unexpected shutdowns caused by bearing failures. When a critical component like a double row cylindrical roller bearing fails prematurely, it not only halts production but also leads to cascading costs from emergency repairs and missed deadlines. Many businesses struggle with sourcing reliable high precision industrial equipment bearings, especially when dealing with multiple suppliers or uncertain product authenticity.
Authentic SKF Quality with Real-Time Inventory Availability
As an official SKF distributor with ISO 9001 three-level quality inspection, we ensure every NN3017KTN9/SPVR521 bearing meets strict original equipment manufacturer (OEM) standards. Our WMS real-time inventory system means this 85mm inner diameter bearing is ready for immediate dispatch, eliminating long lead times that delay your operations. Whether you’re maintaining conveyor systems, upgrading factory equipment, or integrating automation solutions, our 10+ years technical team can confirm this SKF cylindrical roller bearing matches your exact application requirements.
Engineered for High-Precision Industrial Applications
The NN3017KTN9/SPVR521 double row cylindrical roller bearing excels in applications requiring high radial load capacity and precise shaft guidance. Its double row design provides superior rigidity compared to single row alternatives, making it ideal for machine tool spindles and gearbox input shafts operating under moderate to heavy loads. The open seal configuration allows for lubrication customization, adapting to various operating temperatures and contamination levels commonly found in manufacturing environments.
Technical Features That Ensure Reliable Performance
This SKF NN3017KTN9/SPVR521 bearing incorporates several critical design elements that directly impact equipment performance. The double row roller arrangement distributes radial loads evenly across the bearing, reducing stress concentrations and extending service life. The KTN9 cage design—typically made from polyamide—enhances roller guidance at higher speeds while maintaining low friction characteristics. With an inner diameter of 85mm, this bearing provides a precise fit for standard industrial shafts, ensuring proper power transmission and minimizing vibration in high-precision applications.
Why Genuine SKF Bearings Reduce Total Cost of Ownership
Choosing authentic SKF bearings over counterfeit alternatives delivers significant long-term value. Counterfeit double row cylindrical roller bearings often fail prematurely due to substandard materials and manufacturing processes, leading to unplanned downtime that can cost thousands in lost production. Our official supply chain guarantees each bearing meets SKF’s rigorous quality standards, supported by complete after-sales and claim services. When you factor in extended service intervals, reduced maintenance requirements, and reliable performance, genuine SKF bearings consistently lower total ownership costs compared to cheaper alternatives.
Our Commitment to Your Industrial Success
With over 10 years serving industrial clients across 60+ countries, we’ve built our reputation on four pillars of reliability. As an official SKF distributor, every NN3017KTN9/SPVR521 bearing comes with complete traceability documentation. Our ISO 9001 quality system includes incoming inspection, in-process testing, and final verification before shipment. Our technical team provides personalized application solutions, from initial选型 to installation guidance. With 2,000+ satisfied clients—including EPC project purchasers and automation integrators—we offer global door-to-door logistics and dedicated account management for all your bearing needs.
Packaging & Shipping
- Original SKF packaging with product certification and batch traceability documentation
- Securely packed in 10x10x10cm cartons with protective cushioning to prevent transit damage
- Global delivery options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time logistics tracking provided from warehouse dispatch to final delivery
- Minimum order quantity of 1 piece, ideal for emergency repairs and small-batch requirements
Get Your NN3017KTN9/SPVR521 Bearing Delivered Fast
Every day your equipment is down affects your bottom line. Our ready inventory means we can ship your SKF NN3017KTN9/SPVR521 bearing within 3-7 working days, helping you minimize production disruption. Whether you need a single replacement or multiple units for a project, our streamlined procurement process ensures you get the right bearing when you need it.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized SKF distributor. Every NN3017KTN9/SPVR521 bearing comes with complete traceability documentation and can be verified through SKF’s official channels.
Q: How do I confirm this bearing fits my equipment?
A: Provide your equipment model or technical specifications (load, speed, operating conditions), and our technical team will verify compatibility with the NN3017KTN9/SPVR521 bearing at no charge.
Q: What warranty coverage do you offer?
A: We provide full warranty support in accordance with SKF’s original equipment manufacturer standards, covering manufacturing defects with unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, supporting both emergency maintenance needs and small-scale projects.
Q: How long does shipping take to my location?
A: In-stock bearings ship within 3-7 working days. Delivery time depends on your location—contact us with your country/region for a specific timeline.
Q: How can I verify the authenticity of my bearing?
A: Each bearing includes SKF’s original packaging with security features, laser-etched markings, and batch codes that can be cross-checked with SKF’s official database. We provide all necessary documentation for verification.
Ready to order or need a quote?
Send your bearing designation (NN3017KTN9/SPVR521), application details, and quantity to receiving@yokobearings.com — we’ll respond within 24 hours with pricing and availability.







