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
Spherical Roller Bearing 23218CAK 23220CAK SKF Self-Aligning for Industrial Machinery
Spherical Roller Bearing 23218CAK 23220CAK SKF Self-Aligning for Industrial Machinery
In Stock · Ready to Ship
<p>Ensure uninterrupted industrial machinery performance with the <strong>SKF spherical roller bearing</strong> 23218CAK/23220CAK series, designed to self-align under heavy radial loads and misalignment conditions. As an authorized SKF distributor, we deliver 100% genuine bearings with full traceability documentation, eliminating supply chain risks for OEM manufacturers.</p><ul><li>Double-row roller design with C3 clearance optimizes load distribution in high-vibration equipment like conveyors and crushers</li><li>Precision-machined bearing steel construction (90*160*52.4mm for 23218CAK) ensures extended service life in demanding industrial environments</li><li>Dedicated technical support from SKF-certified engineers helps minimize installation errors and unplanned downtime</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
Spherical Roller Bearing 23218CAK 23220CAK SKF Self-Aligning for Industrial Machinery -- Parameter Sheet
SKF · 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 (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. | 23218CAK |
| Precision Rating | P0, P6, P5, P4, P2 |
| Clearance | C0, C3, C4 |
| Rolling Body | Roller Bearings |
| The Number of Rows | Double |
| Material | Bearing Steel |
| Type | Self-Aligning Spherical Roller Bearings |
| Load Direction | Radial Bearing |
| Separated | Unseparated |
| Specification (d x D x B) | 90*160*52.4 mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482300000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| General Machinery | Conveyors, Gearboxes, Pumps, Fans |
| Mining & Construction | Crushers, Excavators, Conveyor Systems |
| Metallurgy | Rolling Mills, Continuous Casters |
| Power Generation | Generators, Turbines, Compressors |
| Industrial OEM | Production Line Equipment, Machine Tools |
Prevent Costly Downtime with Genuine SKF 23218CAK Self-Aligning Bearings
Industrial machinery operators know the frustration of unexpected bearing failures—especially when counterfeit parts slip through unchecked. A single failed spherical roller bearing can halt production lines for days, costing thousands in lost output and emergency repairs. Worse, gray-market suppliers often provide incomplete traceability documents, leaving your shipments vulnerable to customs delays and quality disputes.
SKF 23218CAK Bearings: In-Stock, Traceable, and Ready to Ship
As an official SKF distributor, we eliminate these risks with 100% genuine spherical roller bearings backed by full supply chain traceability. Our centralized warehouse maintains large inventory of SKF 23218CAK self-aligning bearings, ensuring same-day dispatch for emergency orders. Each unit undergoes pre-shipment inspection to ISO 9001 standards, guaranteeing the performance you need for critical applications like heavy-duty gearboxes and conveyor systems.
Engineered for Misalignment and Heavy Loads
The SKF 23218CAK spherical roller bearing excels in industrial environments where shaft misalignment is common. Its double-row design and self-aligning outer ring accommodate angular misalignment up to 2° while handling combined radial and axial loads. This makes it ideal for equipment operating under variable conditions—from vibrating screens in mining operations to high-torque mixers in chemical processing plants.
Technical Features That Maximize Service Life
Three key specifications define the 23218CAK's performance: precision class, internal clearance, and material quality. Available in P0 to P2 precision grades, it meets strict runout and dimensional tolerance requirements for high-speed applications. Clearance options (C0, C3, C4) allow customization for thermal expansion needs—critical in temperature-fluctuating environments like steel mills. Constructed from high-grade bearing steel, it delivers exceptional wear resistance compared to lower-quality alternatives, reducing replacement frequency by up to 40% in heavy-load scenarios.
Why Genuine SKF Bearings Lower Total Cost of Ownership
Choosing counterfeit spherical roller bearings may seem cost-effective initially, but hidden expenses quickly erase savings. Unauthorized replicas often use substandard steel and imprecise manufacturing, leading to premature fatigue failure. A 2023 industry report found that fake bearings cause 62% of unplanned downtime in manufacturing facilities, with average repair costs exceeding $15,000 per incident. In contrast, genuine SKF 23218CAK bearings come with comprehensive quality documentation, ensuring compliance with export regulations and minimizing customs clearance delays—critical for global supply chains.
Our Commitment to Reliable Supply
With 60+ countries served and a SKF-certified technical team, we deliver more than products—we provide peace of mind. Our OEM-focused services include: 24-hour quotation with brand authorization certificates, sample testing for quality verification, dedicated inventory reservation for long-term partners, and full-cycle order tracking from warehouse to delivery. Every bearing is shipped with original SKF packaging and traceability documents, ensuring authenticity from Sweden to your facility.
Packaging & Shipping
- Original SKF packaging with anti-counterfeit labels and batch coding
- Standard package dimensions: 18.00cm × 18.00cm × 7.24cm (gross weight 4.650kg)
- Global door-to-door logistics via DHL, FedEx, or sea/air freight
- Real-time tracking provided for all shipments
- Minimum order quantity: 1 unit, with bulk pricing available for OEM requirements
Secure Your Bearing Supply Today
Don’t let equipment downtime disrupt your production schedule. Whether you need emergency replacements or long-term OEM supply, our team ensures fast, reliable access to genuine SKF 23218CAK self-aligning bearings. Submit your model list and application details now for immediate quotation—we respond within 24 hours.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes. As an official SKF distributor, all bearings are sourced directly from SKF and include full traceability documentation and brand authorization certificates.
Q: How do I confirm if the 23218CAK fits my equipment?
A: Provide your equipment model or operating parameters (load, speed, temperature), and our SKF-certified technical team will verify compatibility at no cost.
Q: What is the warranty policy?
A: All bearings come with SKF’s standard manufacturer warranty, covering defects in materials and workmanship. We handle direct warranty claims with SKF for streamlined resolution.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit to support emergency repairs, with volume discounts available for OEM bulk purchases.
Q: How quickly can you ship?
A: In-stock bearings ship within 24 hours of order confirmation. Global delivery typically takes 3–7 business days via express courier.
Q: How can I verify bearing authenticity?
A: Each bearing includes SKF’s holographic label, laser-etched part number, and batch code. We provide certificate of conformity with every order for cross-verification on SKF’s official portal.
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