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 NN3008/NN3009 Precision Spindle for Industrial Machinery
Double Row Cylindrical Roller Bearing NN3008/NN3009 Precision Spindle for Industrial Machinery
In Stock · Ready to Ship
<p>Ensure precision spindle performance in industrial machinery with our <strong>Double Row Cylindrical Roller Bearing</strong> NN3008/NN3009 series, engineered to deliver exceptional radial load capacity and rotational accuracy for high-speed applications. Crafted from premium bearing steel with 60-64 HRC hardness and available in clearance grades C0-C5, these non-aligning bearings maintain consistent operation even under heavy mechanical stress, reducing unplanned downtime and extending equipment lifespan.</p><ul><li>Separated design allows easy mounting/dismounting for streamlined maintenance procedures</li><li>Brass or steel cage options optimize durability for specific operating environments</li><li>Z1V1-Z3V3 vibration grades ensure smooth performance in precision-critical machinery</li></ul>
Bore (d)
--
Outer Dia. (D)
--
Width (B)
--
Dynamic C
--
Static C₀
--
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 NN3008/NN3009 Precision Spindle 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 (C₀) | -- | 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 |
|---|---|
| Manufacturing | Precision Machine Tools, CNC Spindles, Gearboxes |
| Industrial Machinery | Rolling Mills, Printing Presses, Plastic Molding Machines |
| Power Generation | Generator Sets, Turbine Systems |
| Automotive | Transmission Systems, Axle Assemblies |
Stop Spindle Downtime with Precision NN3008/NN3009 Double Row Cylindrical Roller Bearings
Machine shops and industrial facilities lose countless production hours each year to spindle failures caused by substandard bearings. When a precision spindle grinds to a halt, it disrupts schedules, delays orders, and creates cascading costs from emergency repairs. Many OEMs struggle with sourcing reliable double row cylindrical roller bearings that balance high load capacity with the precision required for critical machinery applications.
NN3008/NN3009 Bearings: Engineered for Industrial Spindle Performance
Our Double Row Cylindrical Roller Bearings are designed to address the core challenges of spindle operation in industrial machinery. With separated inner and outer rings, these bearings accommodate high radial loads while maintaining precise alignment—essential for CNC machines and precision tools. As an authorized distributor with a large centralized warehouse, we ensure consistent supply of genuine bearings, eliminating the risks of counterfeit products that often lead to premature failures.
Optimal Performance in Demanding Industrial Conditions
These Precision Spindle Bearings excel in applications requiring both radial load support and high rotational accuracy. Operating in industrial machinery such as lathes, milling machines, and grinders, they withstand continuous operation under varying speeds and loads. The non-aligning design ensures stability in rigid mounting configurations, while the 60-64 HRC hardness provides the durability needed to resist wear in high-stress environments.
Technical Features That Drive Machinery Reliability
The performance of these Double Row Cylindrical Roller Bearings is defined by critical technical attributes. The clearance options (C0 to C5) allow customization for specific operating conditions—tighter clearances (C2) for precision spindles, while looser clearances (C4/C5) accommodate thermal expansion in high-temperature applications. Cage materials, available in brass or steel, offer distinct advantages: brass cages provide superior strength for heavy loads, while steel cages optimize performance at higher speeds. Vibration grades Z1V1 to Z3V3 ensure smooth operation, directly impacting machining precision and surface finish quality.
Why Genuine Bearings Matter for Your Bottom Line
Choosing authentic Spindle Roller Bearings over counterfeit alternatives delivers significant long-term value. Gray market bearings often lack proper material热处理 (heat treatment), resulting in 30-50% shorter service life and increased failure risk. A single spindle failure can cost thousands in downtime, replacement parts, and missed deadlines—far exceeding the initial savings of cheaper alternatives. Our bearings comply with ISO 9001 standards, ensuring batch consistency and full traceability documentation to support your quality control and export compliance requirements.
Your Trusted Partner for Industrial Bearing Solutions
Shanghai Dunyu Bearing Co., Ltd. stands behind every bearing we supply as an official authorized distributor. Our full-process quality management system includes incoming inspections and pre-shipment verification to ensure product integrity. With a SKF-certified technical team, we provide application-specific guidance—from model selection to installation best practices—to maximize bearing performance. Serving over 60 countries, our global logistics network ensures door-to-door delivery, with dedicated account managers tracking your order from warehouse to worksite.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- Standard lead time: 3-7 business days for in-stock items
- Flexible shipping options: DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking provided for all shipments
- Minimum order quantity: 1 piece, supporting both emergency repairs and bulk orders
Get Your Precision Spindle Bearings Today
Don’t let spindle downtime disrupt your production schedule. Whether you need NN3008, NN3009, or other Double Row Cylindrical Roller Bearings, we can provide the exact specifications for your industrial machinery. Send us your bearing designation, application parameters, and quantity requirements, and our team will prepare a detailed quotation within 24 hours.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: As an official authorized SKF distributor, all our products are 100% genuine with full traceability documentation and brand certification.
Q: How do I confirm the correct bearing型号 for my spindle?
A: Provide your equipment model, spindle specifications, or operating parameters (load, speed, temperature), and our SKF-certified technical team will verify the optimal bearing selection.
Q: What is your warranty policy?
A: We offer warranty coverage in accordance with SKF global standards, including replacement for manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making us ideal for emergency repairs as well as large-scale OEM production.
Q: How quickly can you ship?
A: In-stock bearings are shipped within 3-7 business days via your preferred logistics provider.
Q: How can I verify the authenticity of the bearings?
A: Each bearing comes with original packaging, serial numbers, and traceability certificates. You can cross-verify details through official SKF channels with our provided documentation.
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