Product Specifications
| Parameter |
Details |
| Model NO. |
NN 3012 KTN/SPVR521 |
| Precision Rating |
Sp, up, Sp and up |
| Type |
Roller |
| Number of Row |
Double Row |
| Inner Diameter |
60 mm |
| Structure |
Cylindrical |
| Seals Type |
Open |
| Trademark |
SKF |
| Origin |
China |
Application Industries
| Industry |
Typical Equipment |
| Mining |
Conveyor Systems, Crushers, Screening Equipment |
| Material Handling |
Belt Conveyors, Overhead Conveyors, Bucket Elevators |
| Industrial Manufacturing |
Reduction Gears, Machine Tool Spindles, Printing Presses |
Reduce Mining Downtime with Reliable Double Row Cylindrical Roller Bearings
Mining conveyor operators face constant challenges with bearing failures—premature wear from heavy loads and dust contamination leads to unplanned shutdowns, costing thousands in lost production. Sourcing genuine replacement bearings often means long lead times and high minimum order quantities, leaving maintenance teams struggling to keep equipment running.
Genuine Mining Conveyor Bearings for Critical Operations
Our NN 3012 KTN/SPVR521 Double Row Open Type Cylindrical Roller Bearing is engineered to address these pain points. As a professional bearing supplier with decades of export experience, we stock authentic SKF bearings to ensure immediate availability. This bearing’s double row design delivers superior radial load capacity, making it ideal for mining conveyor applications where reliability under heavy loads is non-negotiable.
Engineered for Heavy-Duty Mining Environments
This cylindrical roller bearing excels in harsh mining conditions, handling high radial loads and moderate axial loads typical in conveyor systems. Its open type design allows for easy lubrication maintenance, crucial for extending service life in dusty environments. The precision-machined components ensure stable rotation even at varying speeds, reducing vibration and minimizing wear on conveyor shafts.
Technical Features That Maximize Performance
The NN 3012 KTN/SPVR521 features a precision rating of Sp and up, ensuring tight dimensional tolerances for accurate shaft fitting—a critical factor in preventing misalignment-related failures. Its double row configuration increases load distribution, allowing it to support heavier conveyor belts and material loads compared to single row alternatives. The cylindrical roller design reduces friction, enabling efficient power transmission and lowering energy consumption in continuous operation.
Why Genuine Bearings Lower Total Cost of Ownership
Choosing genuine SKF bearings over counterfeit alternatives directly impacts your bottom line. Counterfeit bearings often fail prematurely due to substandard materials, leading to repeated replacements, unplanned downtime, and potential damage to expensive conveyor components. Our authentic bearings, backed by strict quality control processes, deliver consistent performance and longer service intervals, reducing maintenance costs and improving overall equipment efficiency.
Your Trusted Partner for Bearing Solutions
With ISO 9001:2015 and ISO 14001 certifications, we adhere to international quality and environmental standards. Our in-house laboratory conducts comprehensive performance testing, ensuring every bearing meets specifications. We offer flexible order policies, including 1 piece MOQ for standard bearings and sample orders without quantity restrictions, supporting both emergency repairs and long-term supply planning. Our technical team provides free guidance on bearing selection and maintenance, helping you optimize equipment performance.
Packaging & Shipping
- Secure packaging in batch sizes of 10x10x10cm, with gross weight per batch of 0.250kg
- Sample orders shipped within 3-5 working days, bulk orders within 5-15 working days
- Multiple logistics options including express, air, and sea freight
- Real-time tracking provided for all shipments
- Free samples available for distributors and wholesalers (freight cost borne by customer)
Get Your Conveyor Bearings Delivered Fast
Don’t let bearing issues halt your mining operations. Whether you need a single replacement or bulk order, our NN 3012 KTN/SPVR521 bearings are ready to ship. Send your requirements today to receive a prompt quote and get your conveyor back to peak performance.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we supply genuine original brand bearings, including SKF, sourced through authorized channels with complete traceability.
Q: How do I confirm if this bearing fits my conveyor?
A: Provide your conveyor model or existing bearing dimensions, and our technical team will verify compatibility at no cost.
Q: What is the warranty period?
A: All products come with a 12-month warranty from the date of receipt, covering manufacturing defects.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ, with customized order quantities negotiable based on requirements.
Q: How long does shipping take?
A: Sample orders ship in 3-5 working days, bulk orders in 5-15 working days, with tracking provided for all shipments.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
