Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | NN 3012 KTN/SPVR521 |
| Precision Rating | Sp, up, Sp and up |
| Bearing Type | Cylindrical Roller Bearing |
| Number of Rows | Double Row |
| Inner Diameter | 60 mm |
| Seals Type | Open |
| Trademark | SKF |
| Origin | China |
| Selling Units | Single Item |
| Package Size | 18.00cm × 18.00cm × 6.00cm |
| Package Gross Weight | 0.850 kg |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Mining | Conveyor systems, heavy duty equipment |
Need a Reliable Mining Conveyor Cylindrical Roller Bearing? Here’s What Matters
Mining operations rely on conveyor systems to keep materials moving, but when bearings fail due to poor quality or incorrect specifications, downtime becomes costly. Many procurement teams struggle with finding bearings that balance durability for heavy loads with precise dimensions for seamless installation—especially for specialized equipment like mining conveyors.
Built for Heavy Duty Mining Conveyor Performance
The SKF NN 3012 KTN/SPVR521 cylindrical roller bearing addresses these challenges with its double row design and high precision rating (Sp, up). As a specialized supplier with direct access to global distribution networks, we ensure this bearing meets original factory quality standards, supporting the demanding conditions of mining conveyor systems. Its robust structure is engineered to handle the continuous heavy loads and harsh environments typical in mining operations.
Where This Bearing Performs Best
This double row cylindrical roller bearing excels in mining conveyor applications where radial load capacity and rigidity are critical. Operating in environments with dust, vibration, and variable temperatures, it maintains performance under the stress of continuous material transport. The open seal design allows for easy maintenance, making it suitable for equipment where regular lubrication access is necessary.
Key Engineering Details for Reliability
The NN 3012 KTN/SPVR521’s double row configuration provides increased radial load capacity compared to single row alternatives, essential for supporting heavy conveyor rollers. Its precision rating (Sp, up) ensures tight dimensional tolerance, reducing installation issues and improving alignment with conveyor shafts. The cylindrical structure allows for axial expansion, accommodating thermal growth in high-temperature mining environments. Additionally, the bearing’s design facilitates efficient heat dissipation, prolonging service life under continuous operation.
Why Choosing the Right Bearing Lowers Total Costs
Selecting a quality cylindrical roller bearing like the NN 3012 KTN/SPVR521 minimizes the risk of premature failure, which can lead to unplanned downtime, maintenance labor costs, and damage to adjacent conveyor components. While initial costs may be higher than inferior alternatives, the extended service life and reduced replacement frequency lower long-term total cost of ownership. Properly matched bearings also reduce energy consumption by minimizing friction, further contributing to operational efficiency in mining operations.
Quality You Can Rely On
Our bearings undergo strict quality control processes aligned with global manufacturing standards, ensuring consistent performance. Each unit is sourced from verified production channels and includes batch traceability documentation. We offer a warranty against manufacturing defects, providing confidence in your purchase. With a large dedicated inventory, we support same-day shipping for spot goods, ensuring you get the bearings you need when you need them.
Packaging & Shipping
- Standard packaging: 18.00cm × 18.00cm × 6.00cm carton per unit
- 现货库存支持当天发货 (Same-day shipping for in-stock items)
- 灵活选择快递、空运或海运 (Flexible shipping via express, air, or sea freight)
- 低起订量,支持小批量及大批量采购 (Low minimum order quantity, supporting both small and large volume purchases)
Get a Quote for Your Mining Conveyor Bearing Needs
Whether you need the NN 3012 KTN/SPVR521 or other mining conveyor bearings, we provide one-stop procurement services. Share your required model, quantity, and delivery location, and our team will promptly provide pricing and availability. The sooner you confirm your order, the sooner we can arrange shipment to keep your operations running smoothly.
Frequently Asked Questions
Q: Do you supply bearings from other brands or models?
A: Yes, we offer a full range of bearing brands and models, including both international and domestic options. We can source specific brands or models according to your requirements.
Q: How can I confirm if this bearing fits my conveyor equipment?
A: Provide your equipment’s bearing dimensions (inner diameter, outer diameter, width) or original part number, and our technical team will verify compatibility with the NN 3012 KTN/SPVR521.
Q: What is your warranty policy for bearings?
A: We provide a warranty against manufacturing defects. Specific terms and duration are outlined in the sales contract, ensuring coverage for material and workmanship issues.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including single-item purchases, making it easy to test or replace individual bearings as needed.
Q: How long does shipping take to international destinations?
A: In-stock items ship the same day. Delivery typically takes 7-15 days to most countries and regions via our global logistics network.
Q: Do you offer custom bearing solutions (OEM/ODM)?
A: Yes, we provide customized packaging, labeling, and technical documentation services. For specialized bearing designs, contact us with your specifications for a feasibility assessment.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.







