Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
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100% Genuine SKF
Full Traceability
ISO 9001 Certified
SKF Authorized
Cylindrical Roller Bearing
Double Row Cylindrical Roller Bearing Nu2230 Ec M with Separated Design for Industrial Machinery
Double Row Cylindrical Roller Bearing Nu2230 Ec M with Separated Design for Industrial Machinery
In Stock · Ready to Ship
<p>Minimize downtime and boost industrial machinery efficiency with the <strong>Double Row Cylindrical Roller Bearing NU2230 EC M</strong>, designed to deliver exceptional radial load capacity and precise operation in high-demand applications. Its separated inner ring design allows for quick, tool-free installation and maintenance, ensuring your production line stays running with minimal interruptions.</p><ul><li>Engineered with 60-64 HRC hardness bearing steel for extended service life under heavy loads</li><li>Supports clearance grades C0-C5 to match specific operational requirements, reducing vibration and noise</li><li>Trusted SKF quality with full traceability documentation, eliminating compliance concerns for global supply chains</li></ul>
Bore (d)
--
Outer Dia. (D)
--
Width (B)
--
Dynamic C
--
Static Câ‚€
--
Speed Limit
--
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
Full Specifications
Complete Technical Parameters
Double Row Cylindrical Roller Bearing Nu2230 Ec M with Separated Design for Industrial Machinery -- Parameter Sheet
SKF · Cylindrical Roller Bearing
| 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. | -- | -- |
* All specifications are reference values. Contact our SKF engineers for application-specific confirmation.
Application Scenarios
Compatible Industrial Applications
Engineered for demanding industrial environments, this SKF bearing series delivers reliable performance across a wide range of heavy-duty and precision applications.
Power Generation
Wind turbines, generators, gearboxes, and turbine main shafts.
Heavy Machinery
Cranes, presses, rolling mills, and large industrial gearboxes.
Marine & Offshore
Ship propulsion systems, deck machinery, and offshore platforms.
Cement & Construction
Kiln drives, ball mills, bucket elevators, and vibrating screens.
Pulp & Paper
Paper machine rolls, dryer sections, and calender rolls.
Full Portfolio
One-Stop SKF Supporting Solutions
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Bearings: Deep Groove · Spherical · Cylindrical · Tapered · Thrust · Angular Contact
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Sealing: Radial shaft seals · V-rings · Labyrinth seals · Bearing isolators
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Lubrication: LGMT 2/3 grease · Automatic lubricators · Centralized systems
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Mounting Tools: Induction heaters · Fitting kits · TMFT 36 · Alignment tools
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Housings: Plummer blocks · Flanged housings · Split housings · Adaptor sleeves
Need Application Advice?
SKF-Certified Engineer
Selection · Failure analysis · Technical support
Technical Expertise
SKF Global Standards & Supporting Solutions
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.
Internal Design
SKF E1 Geometry
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.
ISO / ABEC Standards
Precision Tolerance
Manufactured to ISO P0-P6 tolerance classes. Dimensional accuracy and running accuracy are 100% verified before shipment, with full batch traceability records.
SKF Sealing Systems
Sealing Solutions
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.
SKF Lubrication Systems
Lubrication Planning
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.
SKF Maintenance Tools
Mounting & Alignment
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.
Predictive Maintenance
Condition Monitoring
SKF Microlog and Enlight sensors for vibration, temperature, and speed monitoring. Enable predictive maintenance strategies to minimize unplanned downtime and optimize bearing replacement intervals.
Product Details
Product Specifications
| 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 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | Machine Tools, Gearboxes, Motors, Pumps |
Stop Production Delays with Reliable Double Row Cylindrical Roller Bearing NU2230 EC M
OEM manufacturers know the frustration of unexpected downtime caused by bearing failures. Counterfeit bearings often fail prematurely, leading to costly production line shutdowns and quality disputes. Sourcing genuine bearings with proper traceability documentation can be a challenge, especially when dealing with multi-layer distributors that extend lead times by 30-50%.
Genuine Separated Design Bearing for Efficient Industrial Machinery Performance
The Double Row Cylindrical Roller Bearing NU2230 EC M with Separated Design addresses these pain points by offering reliable performance and easy installation. As an official authorized SKF distributor, Dunyu Bearings ensures full traceability for every bearing, eliminating the risks of counterfeit products. Our large centralized warehouse ensures stable bulk supply, while our global door-to-door logistics can meet your emergency delivery needs, keeping your production on schedule.
Optimal Performance in Demanding Industrial Conditions
This Separated Roller Bearing Industrial is designed to handle the rigors of industrial machinery applications. Its separated design allows for easy mounting and dismounting, simplifying maintenance procedures. The bearing's construction makes it suitable for applications involving heavy radial loads and moderate axial loads, common in machine tools, gearboxes, and motors. With vibration levels rated Z1V1, Z2V2, Z3V3, it ensures smooth operation even at high speeds, reducing noise and extending equipment life.
Key Technical Features for Enhanced Machinery Performance
The NU2230 EC M Bearing's technical specifications contribute directly to its superior performance. Constructed from high-quality bearing steel with a hardness of 60-64 HRC, it offers excellent wear resistance and durability. The availability of clearance grades C0, C2, C3, C4, C5 allows for precise matching to specific application requirements, ensuring optimal load distribution and minimizing operational stress. Cage options of brass or steel provide flexibility, with brass cages offering better heat dissipation for high-temperature environments and steel cages providing robustness for heavy-duty applications.
Avoid Hidden Costs of Counterfeit Bearings with Genuine Products
Choosing genuine Double Row Bearing for Machinery over counterfeit alternatives reduces long-term costs significantly. Counterfeit bearings often lack proper material quality and manufacturing precision, leading to early failure, increased maintenance, and potential damage to associated equipment. The resulting production downtime can cost manufacturers thousands in lost revenue. In contrast, our genuine bearings, compliant with ISO 9001 and SKF global standards, offer consistent performance and reliability, lowering total cost of ownership by minimizing unplanned maintenance and extending equipment lifespan.
Why Industrial Equipment OEMs Trust Dunyu Bearings
As an official authorized SKF distributor, Dunyu Bearings provides 100% genuine products with full traceability documentation, ensuring compliance with export requirements and quality standards. Our ISO 9001 certified quality management system includes comprehensive incoming inspections and pre-shipment verification, guaranteeing product integrity. With a SKF-certified technical team, we offer professional support from model selection to installation guidance and failure analysis. Serving over 60 countries worldwide, our global logistics network ensures fast door-to-door delivery, with dedicated account managers tracking every order from warehouse to delivery.
Packaging & Shipping
- Carton pallet packaging for secure transportation
- Prompt order processing to meet your production schedule
- Global door-to-door logistics via trusted carriers
- Real-time shipment tracking for transparency
- Flexible order quantities to support both maintenance and production needs
Secure Your Bearing Supply Today
Don't let bearing issues disrupt your production. Whether you need a single Cylindrical Roller Bearing NU2230 for maintenance or bulk quantities for OEM production, we can fulfill your order quickly. Send us your model list, application details, and required quantity to receive a formal quotation within 24 hours, including brand authorization and traceability certificates.
Frequently Asked Questions
Q: Are these bearings genuine SKF products?
A: Yes, as an official authorized SKF distributor, we guarantee 100% genuine SKF bearings with full traceability documentation and brand authorization.
Q: How can I ensure the NU2230 EC M is the right bearing for my equipment?
A: Our SKF-certified technical team can assist with model selection. Provide your equipment model or working condition parameters, and we'll verify compatibility at no cost.
Q: What is your warranty policy for these bearings?
A: All bearings come with SKF's standard manufacturer warranty, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity for the NU2230 EC M?
A: We accept orders starting from 1 piece, supporting both emergency maintenance and small-batch trial requirements.
Q: How long does shipping take to [my country]?
A: With our global logistics network, delivery typically takes 3-7 business days for in-stock items, with multiple shipping options including DHL, FedEx, and sea freight.
Q: How can I verify the authenticity of the bearings I receive?
A: Each bearing is supplied with original SKF packaging, laser-etched part numbers, and traceability certificates. You can cross-verify using SKF's official authentication methods.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
Authenticity & Warranty
Genuine SKF Traceability & Quality Commitment
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.
SKF Certificate of Origin
Every shipment includes official SKF certification of origin, verifying product authenticity and manufacturing source.
Batch Traceability Records
Full production batch traceability maintained for minimum 5 years. Enables quality audit and failure investigation.
SKF Authorized Distributor Status
Verified annually by SKF. Our authorized status can be confirmed directly through the SKF distributor verification system.
Quality Warranty
All products carry SKF manufacturer warranty. Defective products are replaced or refunded -- no questions asked.
Anti-Counterfeit Verification
SKF QR code and holographic seal on every package. Verify authenticity instantly via SKF's official verification portal.
Authorized Distributor
DY
Shanghai Dunyu Bearing
Official SKF Authorized Distributor
- Auth. Since
- 2010+
- Quality Std.
- ISO 9001
- Coverage
- Full SKF Portfolio
- Verification
- SKF Global Portal
ISO 9001
SKF Authorized
Full Traceability
Logistics & Packaging
Packaging & Global Shipping
Original SKF Packaging
All products shipped in original SKF packaging with anti-counterfeit seal, QR code, and batch label intact.
Export Carton + Wooden Crate
Standard export carton for small orders. Custom wooden crates with moisture-proof lining for large/heavy shipments.
Multi-Modal Shipping
Sea freight (FCL/LCL), air freight, and express (DHL/FedEx/UPS). DDP, DAP, CIF, FOB terms all supported.
Delivery Timeline
In-stock items: 1-3 days dispatch. Air freight: 3-7 days door-to-door. Sea freight: 15-35 days by destination.
Shipping Terms & Regions
| 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 |
Related Products
Related Models & Supporting Components
FAQ
Frequently Asked Questions
How do I verify the product is 100% genuine SKF?
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.
What is the minimum order quantity (MOQ)?
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.
How long does it take to receive a formal quotation?
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.
Do you support DDP (Delivered Duty Paid) shipping?
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.
Can you provide technical support for bearing selection?
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.
What are the payment terms?
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.
What happens if I receive a defective product?
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 →
Start Your Procurement
Get a Formal Quote
Within 24 Hours.
Send us your bearing model, quantity, and delivery requirements. Our SKF-certified team will respond with a formal quotation, traceability certificate, and logistics plan.
- 100% Genuine SKF with Certificate of Origin
- Formal quotation within 24 hours
- Sample orders & bulk supply supported
- DDP/DAP/CIF to 60+ countries
- Dedicated SKF-certified account manager
Send Inquiry -- SKF Bearing Specialist Online