Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 21310EK |
| 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 Roller Bearings |
| Load Direction | Radial Bearing |
| Separated | Unseparated |
| Bore Diameter (d) | 50 mm |
| Outside Diameter (D) | 110 mm |
| Width (B) | 27 mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482300000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Heavy Machinery | Crushers, Conveyors, Mixers |
| Power Generation | Wind Turbines, Generators |
| Manufacturing | Industrial Gearboxes, Pumps, Fans |
| Mining | Screening Equipment, Mining Trucks |
| Metallurgy | Rolling Mills, Continuous Casters |
Stop Equipment Downtime with Genuine SKF 21310EK Self-Aligning Roller Bearings
When industrial machinery grinds to a halt due to bearing failure, every hour of downtime eats into production targets and profits. Many buyers face the frustration of long lead times for critical bearings or the risk of counterfeit products that fail prematurely. Sourcing multiple bearing types from different suppliers only adds complexity to procurement, delaying maintenance and increasing operational risks.
Genuine SKF Bearings, In Stock and Ready to Ship
As an official SKF distributor, we provide authentic SKF 21310EK self-aligning roller bearings with P0-P2 precision, designed to minimize equipment downtime. Our WMS real-time inventory ensures these bearings are available for immediate dispatch, supporting urgent maintenance needs. Whether used in high-load gearboxes, vibrating screens, or conveyor systems, these bearings deliver reliable performance backed by SKF’s engineering excellence and our ISO 9001 quality inspection process.
Engineered for Demanding Industrial Conditions
SKF self-aligning roller bearings excel in applications where shaft misalignment, heavy radial loads, and shock loads are common. The double-row design and spherical outer ring allow for angular misalignment up to 2 degrees, reducing stress on shafts and housings. With a bore diameter of 50 mm, outside diameter of 110 mm, and width of 27 mm, the 21310EK model is ideal for medium-sized industrial machinery operating under variable loads and speeds.
Technical Details That Ensure Reliable Performance
The precision rating of these bearings—from P0 (standard) to P2 (high precision)—directly impacts operational stability. P2 precision minimizes runout and vibration, critical for high-speed applications like centrifugal pumps. Clearance options (C0, C3, C4) allow customization for thermal expansion: C3 and C4 clearances accommodate higher operating temperatures, preventing seizure in hot environments. Constructed from high-grade bearing steel, the 21310EK offers excellent durability, while the unseparated design simplifies installation and reduces maintenance time.
Avoid Hidden Costs with Authentic SKF Bearings
Counterfeit bearings may offer lower upfront prices, but they often result in catastrophic failures, unplanned downtime, and costly repairs. Genuine SKF bearings undergo rigorous testing to meet ISO standards, ensuring longer service life and predictable performance. For example, a single bearing failure in a mining conveyor can halt production for days, costing far more than the price of a genuine SKF bearing. Our industrial machinery bearings provide total cost of ownership benefits by reducing maintenance frequency and extending equipment lifespan.
Why Global Buyers Choose Our SKF Bearings
With over 10 years of experience as a professional SKF bearing solution provider, we serve 2,000+ clients across 60+ countries, particularly in Belt & Road regions. Our official stable supply chain guarantees product authenticity, and each bearing comes with complete authorization and quality inspection documents. Our technical team offers personalized application solutions, from选型 to after-sales support, while our global door-to-door logistics ensures timely delivery. We handle all export paperwork, reducing compliance risks for large-scale engineering projects.
Packaging & Shipping
- Original SKF packaging with Carton Pallet for secure transport
- Package Size: 13.00cm * 13.00cm * 4.70cm
- Package Gross Weight: 1.220kg
- Dispatch within 3-7 working days for in-stock items
- Global delivery via DHL, FedEx, UPS, air, or sea freight
- Real-time logistics tracking provided for all shipments
- Minimum order quantity: 1 piece, supporting emergency repairs
Get Your SKF 21310EK Bearings Today
Don’t let equipment downtime affect your production schedule. Send us your bearing requirements—including model, quantity, and application details—and our team will provide a quote within 24 hours. With our ready inventory and global shipping network, we can deliver the SKF 21310EK bearings you need to get your machinery back online quickly.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized global SKF distributor. Every bearing is sourced directly from SKF and comes with complete authorization documents for traceability.
Q: How do I confirm if the 21310EK is suitable for my equipment?
A: Our technical team can assist with选型. Provide your equipment model, operating conditions (load, speed, temperature), and we will verify compatibility.
Q: What is the warranty policy?
A: All SKF bearings come with the manufacturer’s warranty. We provide complete after-sales and claim support for manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, ideal for emergency maintenance or small-scale projects.
Q: How long does shipping take?
A: In-stock bearings are dispatched within 3-7 working days. Delivery time depends on location, with express options available for urgent needs.
Q: How can I verify the authenticity of the bearings?
A: Each bearing includes SKF’s original packaging with防伪 labels and laser markings. We also provide official certification documents for verification.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.







