Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
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ISO 9001 Certified
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Deep Groove Ball Bearing
Deep Groove Ball Bearing 6704-2RS with P0-P5 Precision for Industrial Machinery
Deep Groove Ball Bearing 6704-2RS with P0-P5 Precision for Industrial Machinery
In Stock · Ready to Ship
<p>Ensure your industrial machinery runs with uncompromised precision and reliability using our <strong>SKF Authorized Deep Groove Ball Bearing 6704-2RS</strong> – engineered to eliminate costly downtime from inconsistent performance. This 20x27x4mm precision bearing (P0-P5 ratings available) delivers smooth radial load handling with non-aligning stability, making it ideal for high-speed industrial equipment where even minor vibration (Z1V1 to Z3V3 options) can disrupt production. <br><br>Backed by full brand traceability and ISO 9001 compliance, you’ll avoid the headaches of unclear documentation and counterfeit risks, while our lubrication flexibility (grease or oil) adapts to your specific operating conditions. Trust a bearing that works as hard as your machinery – contact us for sample testing and dedicated OEM support.</p>
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
Deep Groove Ball Bearing 6704-2RS with P0-P5 Precision for Industrial Machinery -- Parameter Sheet
SKF · Deep Groove Ball Bearing
| Parameter | Value | Unit / Note |
|---|---|---|
| Bearing Series | -- | Deep Groove Ball 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. | 6704-2RS |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Service | OEM ODM |
| Aligning | Non-Aligning Bearing |
| Separated | Unseparated |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Contact Angle | 0° |
| Transport Package | Carton Pallet |
| Specification | 20×27×4 mm |
| HS Code | 8482102000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| General Machinery | Electric Motors, Pumps, Fans, Gearboxes |
| Manufacturing | Conveyors, Packaging Machines, Textile Equipment |
| Industrial Automation | CNC Machine Tools, Robotic Arms, Precision Instruments |
| Automotive | Alternators, Water Pumps, Compressors |
Stop Production Delays with Genuine Deep Groove Ball Bearing 6704-2RS
OEM manufacturers know the cost of bearing failure: unplanned downtime, emergency repairs, and production line stoppages. Counterfeit bearings often fail within months, lacking proper material quality and precision. Multi-tier distributors stretch lead times by 30-50%, making it impossible to align with tight production schedules. When your machinery relies on reliable components, every hour of delay eats into profits.
Deep Groove Ball Bearing 6704-2RS: In Stock and Traceable
Our Deep Groove Ball Bearing 6704-2RS eliminates these pain points. As an official SKF authorized distributor, we ensure 100% genuine products with full traceability documentation, avoiding customs clearance issues and quality disputes. With a large centralized warehouse, we maintain ready stock for immediate delivery, reducing lead times to match your production needs. This 20x27x4mm precision bearing is engineered for industrial machinery, delivering consistent performance in radial load applications.
Engineered for Reliable Industrial Performance
This Deep Groove Ball Bearing 6704-2RS excels in high-speed rotational applications, supporting both radial and axial loads with a contact angle of 0°. The non-aligning, single-row design ensures stability in fixed-shaft machinery, while the unseparated construction simplifies installation and maintenance. Whether operating in moderate temperatures or dusty environments, the bearing's steel material and 2RS seal provide durability, making it ideal for continuous-duty equipment like electric motors and conveyors.
Precision Ratings That Impact Your Machinery's Lifespan
The P0-P5 precision ratings of this bearing directly influence equipment performance. Higher precision grades (P5, P4) reduce radial and axial runout, critical for CNC machines and precision instruments where minimal vibration is essential. The Z1V1-Z3V3 vibration classes further ensure smooth operation—Z3V3-rated bearings minimize noise and resonance, extending the service life of connected components. With options for grease or oil lubrication, you can optimize for speed or load capacity based on your specific working conditions.
Why Genuine Bearings Lower Your Total Cost of Ownership
Choosing genuine Industrial Machinery Bearings over gray-market alternatives reduces long-term costs. Counterfeit bearings typically fail at 30-50% of the expected lifespan, leading to repeated replacements and unplanned downtime. A single production line shutdown can cost thousands in lost revenue, far exceeding the initial savings of cheap alternatives. Our bearings comply with ISO 9001 and SKF global standards, ensuring batch consistency and predictable performance—lowering maintenance costs and extending machinery uptime.
Why Buyers in 60+ Countries Trust Our Bearings
As a comprehensive industrial bearing OEM supplier, we stand behind every product with tangible guarantees. Our official SKF authorization ensures full traceability, with certification provided for every order. Our SKF-certified technical team offers free model selection support, helping you avoid costly选型 mistakes. With a production capacity of 1,000,000 units annually, we maintain stable bulk supply for long-term partnerships. Every bearing undergoes full-process quality management, from incoming material inspection to pre-shipment verification, ensuring reliability you can count on.
Packaging & Shipping
- Protective carton packaging with pallet reinforcement for bulk orders
- 现货 available for delivery within 3-7 business days
- Global door-to-door logistics via DHL, FedEx, UPS, air, or sea freight
- Real-time tracking provided for all shipments
- Minimum order quantity of 1 piece, supporting emergency repairs and small-batch trials
Get Your 6704-2RS Bearing Shipped Today
Don’t let bearing issues disrupt your production schedule. Send us your order details—including quantity and application parameters—and receive a formal quotation within 24 hours. Our dedicated account managers will guide you through sample testing, small-batch trials, and long-term supply arrangements, ensuring you get the right bearing when you need it.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with full traceability documentation and brand authorization to verify authenticity.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model or working condition parameters (load, speed, temperature), and our SKF-certified technical team will verify compatibility at no cost.
Q: What is your warranty policy?
A: We adhere to SKF's official warranty standards, offering unconditional replacement for manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, ideal for emergency repairs or small-batch testing.
Q: How long does shipping take?
A:现货 items ship within 3-7 business days. We offer flexible logistics options including DHL, FedEx, UPS, air, and sea freight.
Q: How can I verify the bearing's authenticity?
A: Each bearing includes SKF's original packaging with防伪 labels and laser marking. We provide full traceability certificates for verification through SKF's official channels.
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