Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Minimize crusher downtime with the <strong>Double Row Cylindrical Roller Bearing NU215-Ec</strong>—engineered to deliver consistent performance under heavy radial loads. This NU215 Ec Crusher Bearing features precision C3/C4 clearance options, optimizing heat dissipation and reducing premature wear in high-torque crushing applications.</p><ul><li>Hardened bearing steel (60-64 HRC) ensures durability for continuous operation in harsh industrial environments</li><li>Separated design allows easy installation and maintenance, streamlining your production schedule</li><li>Non-aligning construction maintains stability under axial loads, critical for maintaining crusher roller alignment</li></ul>
Compatible with: Housings, adaptor sleeves, locking devices, SKF LGMT 2/3 grease, induction heaters, and SKF TMFT 36 fitting tools.
Formal quotation with SKF traceability cert within 24 hours · Sample orders available
24h Response
Quotation & Cert
60+ Countries
DDP/DAP/CIF
ISO 9001
Quality Certified
| Parameter | Value | Unit / Note |
|---|---|---|
| Bearing Series | -- | Cylindrical Roller Bearing |
| Bore Diameter (d) | -- | mm |
| Outer Diameter (D) | -- | mm |
| Width / Height (B) | -- | mm |
| Dynamic Load Rating (C) | -- | kN |
| Static Load Rating (Câ‚€) | -- | kN |
| Fatigue Limit Load (Pu) | -- | kN |
| Reference Speed | -- | r/min |
| Limiting Speed | -- | r/min |
| Mass | -- | kg |
| Clearance Class | C3 | ISO 281 |
| Cage Material | -- | -- |
| Sealing / Shield | -- | -- |
| Lubrication | Grease / Oil bath | -- |
| Operating Temp. Range | −30 to +120 °C | -- |
| Vibration Level | SKF E1 / Standard | -- |
| Misalignment Tolerance | -- | ° |
| Fit Recommendation (shaft) | -- | ISO |
| Fit Recommendation (housing) | -- | ISO |
| Replacement / Cross Ref. | -- | -- |
Engineered for demanding industrial environments, this SKF bearing series delivers reliable performance across a wide range of heavy-duty and precision applications.
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
Wind turbines, generators, gearboxes, and turbine main shafts.
Cranes, presses, rolling mills, and large industrial gearboxes.
Ship propulsion systems, deck machinery, and offshore platforms.
Kiln drives, ball mills, bucket elevators, and vibrating screens.
Paper machine rolls, dryer sections, and calender rolls.
Need Application Advice?
SKF-Certified Engineer
Selection · Failure analysis · Technical support
Every SKF bearing supplied by Dunyu Bearings adheres to SKF's global engineering standards -- from material science and heat treatment to precision tolerancing and noise classification.
Optimized internal geometry reduces friction and heat generation, extending service life by up to 50% compared to conventional designs. Ideal for high-speed and high-temperature applications.
Manufactured to ISO P0-P6 tolerance classes. Dimensional accuracy and running accuracy are 100% verified before shipment, with full batch traceability records.
Comprehensive sealing options: open, shielded (Z/2Z), rubber sealed (RS/2RS), and labyrinth variants. SKF V-rings and radial shaft seals available as integrated solutions.
LGMT 2/3 general purpose grease for most applications. LGEP 2 for heavy loads, LGHP 2 for high temperatures. SKF automatic lubricators (SYSTEM 24) for continuous re-lubrication.
Correct mounting is critical. SKF TMFT 36 fitting tool kit, induction heaters (TIH 030M/100M), and laser alignment tools ensure damage-free installation and maximum service life.
SKF Microlog and Enlight sensors for vibration, temperature, and speed monitoring. Enable predictive maintenance strategies to minimize unplanned downtime and optimize bearing replacement intervals.
| 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 |
| Industry | Typical Equipment |
|---|---|
| Mining & Construction | Crushers, Conveyors, Heavy Duty Machinery |
| Manufacturing | Industrial Rollers, Gearboxes, Production Line Equipment |
Crusher operators know the cost of unexpected downtime—each hour of halted production means lost revenue and missed deadlines. Many face recurring issues with bearings that fail prematurely due to poor quality or incorrect clearance, forcing emergency repairs and unplanned maintenance. Sourcing genuine, application-matched bearings from unreliable channels often leads to longer lead times and inconsistent performance, leaving your equipment vulnerable.
Our Double Row Cylindrical Roller Bearing NU215-Ec is engineered to address these challenges, specifically designed for crusher applications where heavy loads and variable speeds demand precision. As an official authorized SKF distributor, we ensure full traceability of every bearing, eliminating the risk of counterfeit products that compromise your equipment. With C3 and C4 clearance options, this bearing accommodates thermal expansion in high-temperature crusher environments, reducing friction and extending service life.
The NU215-Ec Crusher Bearing excels in harsh industrial settings, particularly in crushers handling aggregate, mining ores, and construction materials. Its separated design allows for easy installation and maintenance, while the brass or steel cage provides stability under high radial loads—critical for crusher rollers subject to continuous impact and vibration. With a hardness of 60-64 HRC, the bearing resists wear and deformation, ensuring reliable operation even in dusty, debris-laden conditions.
Key technical features of the C3 Clearance Cylindrical Bearing and C4 Clearance NU215 Bearing directly impact crusher performance. The clearance grades (C3/C4) are tailored for applications with significant temperature variations, preventing seizure and reducing heat generation during extended operation. The non-aligning design maintains precision under radial loads, while vibration classes Z1V1 to Z3V3 ensure smooth rotation, minimizing noise and equipment stress. The bearing steel construction, hardened to 60-64 HRC, provides the durability needed to withstand the abrasive nature of crusher environments, reducing replacement frequency and maintenance costs.
Choosing low-quality bearings for crushers often leads to higher total costs over time. Counterfeit or inferior products may fail within weeks, causing unplanned shutdowns, costly repairs, and potential damage to adjacent components like shafts and housings. In contrast, our genuine NU215 Ec Crusher Bearing, compliant with ISO 9001 and SKF global standards, offers predictable performance and longer service intervals. By investing in a reliable bearing, you reduce downtime, lower maintenance expenses, and protect your production schedule from avoidable disruptions.
Our commitment to quality and service makes us a preferred partner for industrial equipment OEMs and maintenance teams worldwide. As an official authorized SKF distributor, every NU215-Ec bearing comes with full traceability documentation, ensuring authenticity and compliance with export requirements. Our centralized warehouse stocks a large inventory, enabling fast emergency delivery to minimize crusher downtime. Backed by a SKF-certified technical team, we provide personalized support—from model selection based on crusher working conditions to installation guidance and failure analysis. With operations in 60+ countries, we offer global door-to-door logistics, ensuring your bearings arrive on schedule, wherever your facility is located.
Don’t let bearing issues keep your crusher offline. Send us your order details—including required clearance (C3/C4), quantity, and delivery location—and our team will provide a formal quotation within 24 hours. With our large inventory and global logistics network, we can ship your NU215-Ec bearings quickly, helping you restore production and avoid unnecessary losses.
Q: Are these genuine SKF bearings?
A: As an official authorized SKF distributor, all our bearings are 100% genuine with full traceability documentation and brand certification.
Q: How do I choose between C3 and C4 clearance for my crusher?
A: Our SKF-certified technical team can recommend the appropriate clearance based on your crusher’s operating temperature, load conditions, and thermal expansion requirements. Provide your equipment details for a personalized assessment.
Q: What is your warranty policy for these bearings?
A: We stand behind the quality of our products with a warranty that covers manufacturing defects, in line with SKF’s global standards. Contact our customer service for specific warranty terms.
Q: What is the minimum order quantity for NU215-Ec bearings?
A: We accept orders starting from 1 piece, supporting both emergency maintenance and bulk procurement needs.
Q: How long does delivery take for international orders?
A: Depending on your location,现货 orders typically ship within 3-7 business days via express courier (DHL/FedEx/UPS). For larger shipments, sea freight options are available—contact us for a detailed timeline.
Q: How can I verify the authenticity of the bearings upon receipt?
A: Each bearing is supplied with SKF’s official packaging, including防伪 labels and traceability documents. You can cross-verify the product using SKF’s official verification channels with the provided certification details.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
As an officially authorized SKF distributor, every bearing we supply carries full documentation from SKF's global manufacturing network -- with complete batch traceability from factory to your facility.
Every shipment includes official SKF certification of origin, verifying product authenticity and manufacturing source.
Full production batch traceability maintained for minimum 5 years. Enables quality audit and failure investigation.
Verified annually by SKF. Our authorized status can be confirmed directly through the SKF distributor verification system.
All products carry SKF manufacturer warranty. Defective products are replaced or refunded -- no questions asked.
SKF QR code and holographic seal on every package. Verify authenticity instantly via SKF's official verification portal.
Authorized Distributor
Shanghai Dunyu Bearing
Official SKF Authorized Distributor
ISO 9001
SKF Authorized
Full Traceability
All products shipped in original SKF packaging with anti-counterfeit seal, QR code, and batch label intact.
Standard export carton for small orders. Custom wooden crates with moisture-proof lining for large/heavy shipments.
Sea freight (FCL/LCL), air freight, and express (DHL/FedEx/UPS). DDP, DAP, CIF, FOB terms all supported.
In-stock items: 1-3 days dispatch. Air freight: 3-7 days door-to-door. Sea freight: 15-35 days by destination.
| Region | Mode | Transit Time | Incoterms |
|---|---|---|---|
| Europe | Sea / Air / Express | 15-25d / 5-7d / 3-5d | DDP · DAP · CIF · FOB |
| North America | Sea / Air / Express | 20-30d / 5-8d / 3-5d | DDP · DAP · CIF · FOB |
| Southeast Asia | Sea / Air / Express | 7-15d / 3-5d / 2-4d | DDP · DAP · CIF · FOB |
| Middle East | Sea / Air / Express | 15-25d / 4-7d / 3-5d | DDP · DAP · CIF · FOB |
| Other Regions | Sea / Air / Express | Upon Confirmation | FOB · CIF · Negotiable |
Every product we supply comes with original SKF packaging including an anti-counterfeit holographic seal and QR code. You can scan the QR code on the SKF official website to verify authenticity. We also provide the SKF Certificate of Origin with every shipment, and our authorized distributor status can be verified directly through SKF's global distributor portal.
There is no strict minimum order quantity for standard catalog items. We support single-piece sample orders for testing and evaluation. For bulk procurement and long-term supply programs, we offer preferential pricing and dedicated inventory reservation. Contact our sales team for a customized procurement plan.
We guarantee a formal quotation with full SKF traceability certification within 24 business hours of receiving your inquiry. For urgent requirements, our team can typically respond within 2 hours during business hours (Mon-Sat, 9:00-18:00 GMT+8). Contact us via WhatsApp for fastest response.
Yes, we fully support DDP, DAP, CIF, and FOB incoterms across 60+ countries. Our logistics team handles all export documentation, customs clearance, and last-mile delivery. We work with leading freight forwarders and express carriers (DHL, FedEx, UPS) to ensure reliable and timely delivery.
Absolutely. Our SKF-certified engineers provide comprehensive technical support including bearing selection, application analysis, failure investigation, and lubrication planning. We can also assist with housing selection, mounting tool recommendations, and condition monitoring solutions. Technical support is available 24/7 via email and WhatsApp.
We accept T/T (bank transfer), L/C (letter of credit) for large orders, and Western Union. Standard terms are 30% deposit with 70% balance before shipment. For established long-term customers with framework agreements, we offer net payment terms. All transactions are conducted in USD or EUR.
All products carry the full SKF manufacturer warranty. In the unlikely event of a defective product, we will arrange replacement or full refund -- no questions asked. Our quality team will also conduct a failure analysis to identify the root cause and prevent recurrence. Please retain the original packaging and documentation for warranty claims.
Still have questions? Chat with our SKF engineers →
Send us your bearing model, quantity, and delivery requirements. Our SKF-certified team will respond with a formal quotation, traceability certificate, and logistics plan.