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
Spherical Roller Bearing
Self-Aligning Roller Bearing 21308E for Industrial Machinery with ISO 9001 Traceability
Self-Aligning Roller Bearing 21308E for Industrial Machinery with ISO 9001 Traceability
In Stock Β· Ready to Ship
<p>Ensure seamless industrial machinery performance with the <strong>Self-Aligning Roller Bearing 21308E</strong>, a critical component that minimizes downtime through superior load distribution and alignment compensation. As an official SKF distributor, we deliver ISO 9001 traceable bearings with complete documentation, streamlining your procurement process and eliminating compliance hurdles.</p><ul><li>Engineered with a 23mm width and optimized internal geometry to handle radial loads up to 110kN, ideal for heavy-duty applications in conveyors, pumps, and gearboxes</li><li>SKF-certified design ensures consistent batch quality, reducing the risk of unexpected failures and keeping your production line running smoothly</li><li>Comes with dedicated technical support from our SKF-trained team, including installation guidance and working condition-based maintenance recommendations</li></ul>
Bore (d)
--
Outer Dia. (D)
--
Width (B)
--
Dynamic C
--
Static Cβ
--
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 Β· Sample orders available
24h Response
Quotation & Cert
60+ Countries
DDP/DAP/CIF
ISO 9001
Quality Certified
Full Specifications
Complete Technical Parameters
Self-Aligning Roller Bearing 21308E for Industrial Machinery with ISO 9001 Traceability -- Parameter Sheet
SKF Β· Spherical Roller Bearing
| Parameter | Value | Unit / Note |
|---|---|---|
| Bearing Series | -- | Spherical Roller Bearing |
| Bore Diameter (d) | -- | mm |
| Outer Diameter (D) | -- | mm |
| Width / Height (B) | -- | mm |
| Dynamic Load Rating (C) | -- | kN |
| Static Load Rating (Cβ) | -- | 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 | β30 to +120 Β°C | -- |
| Vibration Level | SKF E1 / Standard | -- |
| Misalignment Tolerance | -- | Β° |
| 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
-
Bearings: Deep Groove Β· Spherical Β· Cylindrical Β· Tapered Β· Thrust Β· Angular Contact
-
Sealing: Radial shaft seals Β· V-rings Β· Labyrinth seals Β· Bearing isolators
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Lubrication: LGMT 2/3 grease Β· Automatic lubricators Β· Centralized systems
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Mounting Tools: Induction heaters Β· Fitting kits Β· TMFT 36 Β· Alignment tools
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Housings: Plummer blocks Β· Flanged housings Β· Split housings Β· Adaptor sleeves
Need Application Advice?
SKF-Certified Engineer
Selection Β· Failure analysis Β· 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. | 21308E |
| Width | 23mm |
| Specification | 21308E |
| Condition | New Original |
Application Industries
| Industry | Typical Equipment |
|---|---|
| General Machinery | Conveyors, Gearboxes, Pumps, Fans |
| Industrial Manufacturing | Material Handling Equipment, Compressors |
| Heavy Industry | Mixers, Crushers, Processing Machinery |
Stop Production Delays with ISO 9001 Traceable 21308E Self-Aligning Roller Bearings
Industrial machinery operators know the cost of unexpected downtimeβcounterfeit bearings failing prematurely, delivery delays disrupting production schedules, and technical support gaps leaving teams struggling with installation. When your equipment relies on precise motion, compromising on bearing quality isnβt an option.
Genuine SKF 21308E Bearings, In Stock and Traceable
As an official SKF distributor, we supply the Self-Aligning Roller Bearing 21308E with complete ISO 9001 traceability documentation, eliminating customs clearance issues and quality disputes. Our large centralized warehouse ensures this industrial bearing is ready for immediate dispatch, aligning with your production timelines for critical machinery like conveyors and gearboxes.
Engineered for Demanding Industrial Conditions
The 21308E self-aligning roller bearing excels in applications with heavy radial loads and moderate axial loads, accommodating shaft misalignment up to 2 degrees. Its robust design makes it ideal for industrial machinery operating in dusty or vibrating environments, where reliability directly impacts uptime and maintenance costs.
Key Technical Features for Optimal Performance
The 21308Eβs 23mm width provides stable load distribution, critical for handling dynamic forces in rotating equipment. As a self-aligning design, it reduces stress on shafts and housings caused by misalignment, extending overall system life. Manufactured to SKF global standards, this bearing ensures consistent performance across temperature variations and operational demands typical in industrial settings.
Avoid Hidden Costs of Counterfeit Bearings
Non-genuine 21308E bearings often fail within 30-50% of the expected lifespan, leading to unplanned shutdowns, replacement labor expenses, and potential damage to connected components. Our ISO 9001 traceable bearings come with full certification, ensuring you pay for reliabilityβnot rework. The total cost of ownership with genuine SKF bearings is consistently lower than risking gray-market alternatives.
Why Industrial Buyers Choose Our SKF Bearings
We stand behind every 21308E bearing with official SKF authorization, allowing full product traceability from manufacturing to delivery. Our SKF-certified technical team provides application guidance to ensure proper installation and performance. With operations in 60+ countries, we offer global door-to-door logistics and dedicated account managers who track your order through every stageβfrom warehouse pickup to after-sales support.
Packaging & Shipping
- Original SKF packaging with product certification and traceability documents
- Stock availability for 3-7 business day delivery to most industrial regions
- Flexible shipping via DHL, FedEx, UPS, air, or sea freight based on urgency
- Real-time logistics tracking provided for all orders
- Minimum order quantity of 1 unit, supporting both emergency repairs and bulk OEM requirements
Get Your 21308E Bearing Shipped Today
Every hour of equipment downtime erodes productivity. Send us your 21308E bearing requirements, including application details and quantity, and our team will issue a formal quotation within 24 hoursβcomplete with certification and delivery timelines tailored to your production schedule.
Frequently Asked Questions
Q: Are these genuine SKF 21308E bearings?
A: Yes, we are an official SKF distributor. Every 21308E bearing comes with full traceability documentation and brand authorization to confirm authenticity.
Q: How do I ensure the 21308E is compatible with my equipment?
A: Provide your machinery model or operating parameters (load, speed, misalignment), and our SKF-certified technical team will verify compatibility at no cost.
Q: What is your warranty policy for the 21308E bearing?
A: All SKF bearings are covered by the manufacturerβs warranty against manufacturing defects, with full replacement support for non-conforming products.
Q: What is the minimum order quantity for the 21308E?
A: We accept orders starting from 1 unit, ideal for emergency repairs or small-batch trials before larger OEM commitments.
Q: How quickly can you ship the 21308E bearing?
A: In-stock 21308E bearings are dispatched within 24 hours, with delivery in 3-7 business days via express logistics to most industrial locations.
Q: How can I verify the authenticity of the 21308E bearing upon delivery?
A: Each bearing includes SKFβs original packaging with security features, laser-etched part numbers, and traceability certificates that can be verified through official channels.
Ready to order or need a quote?
Send your 21308E bearing quantity, application details, and delivery location β we'll respond within 24 hours with pricing and availability.
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 Β· DAP Β· CIF Β· FOB |
| North America | Sea / Air / Express | 20-30d / 5-8d / 3-5d | DDP Β· DAP Β· CIF Β· FOB |
| Southeast Asia | Sea / Air / Express | 7-15d / 3-5d / 2-4d | DDP Β· DAP Β· CIF Β· FOB |
| Middle East | Sea / Air / Express | 15-25d / 4-7d / 3-5d | DDP Β· DAP Β· CIF Β· FOB |
| Other Regions | Sea / Air / Express | Upon Confirmation | FOB Β· CIF Β· 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 β
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