Aug 5, 2026 · Technical Resources
Custom OEM Bearing Preload Optimization for OE Applications – ISO 9001 Factory
Master OEM bearing prelo…
Read the selection guideSKF bearings by designation · Itemized written quotes for mixed project lists




State the exact execution (designation suffix), whether you need the complete assembly, and which housings or mounting accessories belong on the same line. Keep precision items separate, with accuracy class and arrangement.
Technical data
Listed data for this SKF designation; confirm the execution and dimensions against your drawing or application before ordering.
| Category | Spherical Roller Bearing |
|---|
| Parameter | Details |
|---|---|
| Model Number | 22238EK |
| Bearing Type | Self-Aligning Roller Bearing |
| Outer Dimension | 50-2500 |
| Specification | 190*340*92 mm |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Separated | Unseparated |
| Lubrication | Grease or Oil |
| Precision Rating | P0 P6 P5 P4 P2 |
| Clearance | C0 C3 C4 |
| Trademark | SKF/NTN/NSK/NMB/Koyo/NACHI/Timken |
| Origin | China |
| HS Code | 8482300000 |
| Industry | Typical Applications |
|---|---|
| Wind Power Generation | Wind Turbine Equipment |
Wind power equipment operators often face challenges with bearing selection—from ensuring precise dimensional compatibility with turbine components to verifying material quality that withstands continuous radial loads and misalignment. Sourcing genuine self-aligning roller bearings that meet these demands can be time-consuming, especially when dealing with multiple suppliers for different models.
Our Self-Aligning Roller Bearings 22238EK and 22240EK address these challenges by offering interchangeable dimensions with major international standards, ensuring they fit seamlessly into wind turbine assemblies. With a focus on industrial applications like wind power generation, we maintain a comprehensive inventory covering over 95% of conventional models, supporting same-day shipping for spot goods to minimize downtime. These bearings are designed to handle the radial loads and misalignment common in wind turbine gearboxes and main shafts, providing a reliable solution for critical equipment.
These self-aligning roller bearings excel in the demanding工况 of wind power generation, where equipment operates under variable loads, moderate temperatures, and requires tolerance for shaft misalignment. The 22238EK model, with its 190*340*92 mm specification, is particularly suited for applications requiring high radial load capacity while accommodating minor angular deviations, a key factor in reducing stress on wind turbine components during operation.
The 22238EK self-aligning roller bearing incorporates several critical design elements that enhance its performance in wind turbines. Constructed from high-grade bearing steel, it delivers the hardness and durability needed to resist wear under continuous operation. The unseparated design ensures structural integrity, while precision ratings from P0 to P2 allow customization based on application accuracy requirements. Clearance options (C0, C3, C4) provide flexibility to accommodate thermal expansion and load conditions, ensuring optimal operation across varying wind speeds and temperatures. These features collectively contribute to extended bearing life and reduced maintenance needs in wind power equipment.
Selecting the right self-aligning roller bearing directly impacts the total cost of wind turbine operation. Inferior bearings with substandard material or imprecise dimensions can lead to premature failure, resulting in costly downtime, replacement parts, and maintenance labor. Our bearings, manufactured to strict quality standards, help avoid these hidden costs by providing consistent performance and longer service intervals. By investing in bearings that meet the load, clearance, and precision requirements of wind power equipment, operators can reduce overall lifecycle costs and improve turbine reliability.
We implement rigorous quality management processes, ensuring all bearings undergo thorough inspection for dimensional accuracy, material hardness, and surface finish. Our supply chain is built on direct relationships with global distribution centers, guaranteeing traceability and authenticity for every product. We provide comprehensive documentation, including factory certificates and batch inspection reports, to support your quality control requirements. Additionally, our products come with a manufacturer’s warranty, covering manufacturing defects for added peace of mind.
Whether you need the 22238EK, 22240EK, or other self-aligning roller bearings for wind power equipment, we can provide competitive pricing and fast delivery. Simply share your required model, quantity, and destination, and our team will promptly assist with your order. The sooner you confirm your requirements, the sooner we can arrange shipment to keep your operations running smoothly.
Q: Do you supply other brands or models of bearings besides those listed?
A: Yes, we offer a complete range of bearings from major international brands and can source specific models according to your requirements.
Q: How can I confirm if the 22238EK bearing fits my wind turbine equipment?
A: Provide your equipment’s bearing dimensions (d x D x B) or model number, and our technical team will verify compatibility with the 22238EK specifications.
Q: What is your warranty policy for these bearings?
A: We provide a manufacturer’s warranty covering manufacturing defects. Specific terms are detailed in the sales contract.
Q: What is the minimum order quantity for the 22238EK bearing?
A: We support low minimum order quantities, including small batch purchases for testing or maintenance needs.
Q: How long does shipping take to my location?
A: In-stock items ship the same day. Delivery time varies by destination, typically 7-15 days for door-to-door service to most countries.
Q: Can you provide custom bearing solutions (OEM/ODM)?
A: Yes, we offer OEM/ODM services, including custom packaging, labeling, and technical documentation to meet specific customer requirements.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we'll get back to you with pricing and lead time.
Project buyers
"We submitted a long SKF list for a new project, mixing ball, roller, needle and thrust bearings. This supplier came back with itemized pricing, lead times and alternatives for two long-lead references. We could plan the procurement timeline without surprises."
Daniel KimKim Engineering Project · South Korea"When our project timeline shifted and we needed to split the delivery into three batches, the supplier worked with us on the schedule. Each batch arrived complete and on the agreed date. No holding costs, no rush shipping fees."
Mohammed Al-AminAl-Amin Contracting · Saudi ArabiaSame series
Comparable designations from the same category, ready to add to one itemized quote.
Spherical Roller Bearing Self-Aligning Roller Bearings 22218 22219 SKF for Heavy-Duty Industrial Machinery Applications
Spherical Roller Bearing 6306 Deep Groove Ball Bearing 30x72x19mm High Precision for Industrial Machinery Long Life
Spherical Roller Bearing Self-Aligning Roller Bearing 22224CDE4 120x215x58mm for Heavy-Duty Industrial Machinery
Spherical Roller Bearing Self-Aligning Roller Bearings SKF 22276CA 22280CA for Heavy-Duty Industrial Machinery Where it runs
Typical equipment and duty conditions this SKF bearing type is specified for.
Standard and precision lines listed separately, each with model, stock, lead time and validity — so your comparison is line by line, not guesswork.
Selection guides
Aug 5, 2026 · Technical Resources
Master OEM bearing prelo…
Read the selection guide
Sep 19, 2026 · Technical Resources
Self-Aligning Ball Beari…
Read the selection guide
Sep 19, 2026 · Brands & Alternatives
True SKF Self-Aligning E…
Read the selection guideFAQ
Send the selected SKF model, quantity per line, accuracy requirement, mounting accessories, destination country and postcode, and the date you need the goods. Confirm the exact execution and whether you need the complete assembly. With that, Project Purchasing Company returns a written itemized quote.
List precision bearings on separate lines with their accuracy class and arrangement or configuration. Keeping them apart from standard bearings prevents wrong pricing and wrong shipments on mixed project lists.
Yes. Send a photo of the nameplate or bearing markings, and we list the information that still needs confirming. Any technical change or alternative model is clearly marked and requires your approval.
Yes. Shipping method and delivery schedule are confirmed before dispatch, so batches can follow your installation timeline. On receipt, check labels, quantity and condition; any mismatch is handled with your order number and photos.
Request a quote
Project Purchasing Company quotes every line by SKF model, with price and currency, stock, estimated lead time, validity and freight or tax terms. Add related bearings and accessories to the same request.