Thrust Self-aligning Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Thrust Self-aligning Roller Bearing
22321-22328CCK W33 Self-Aligning Roller Bearings
Keep your machinery running smoothly with reliable Self-Aligning Roller Bearings designed to handle misalignment and heavy radial loads effortlessly. The 22321-22328CCK W33 series minimizes downtime by adapting to shaft deflections, ensuring consistent performance even in demanding industrial environments.
- W33 lubrication groove and hole simplify maintenance, extending service life while reducing operational costs
- CCK cage design enhances load distribution, preventing premature wear in high-torque applications
7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
Product Specifications
| Parameter | Details |
|---|---|
| Bearing Type | Self-Aligning Roller Bearings |
| Model Number | 22321-22328CCK W33 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Engineering Machinery | Excavator swing mechanisms, loader pivot points |
| Wind Energy | Main shaft support systems, gearbox assemblies |
| Mining | Conveyor belt pulleys, crusher bearings |
| Steel Metallurgy | Rolling mill stands, continuous casting machines |
| Automation Equipment | Heavy-duty gearboxes, robotic arm joints |
Tired of Bearing Failures in Heavy-Duty Applications? The 22321-22328CCK W33 Self-Aligning Roller Bearings Make a Difference
When your equipment operates under heavy loads and misalignment, choosing the wrong bearing can lead to costly downtime. Many maintenance managers face repeated failures due to bearings that can’t handle radial loads or compensate for shaft misalignment, especially in harsh industrial environments.
Engineered for Reliable Performance in Demanding Conditions
The 22321-22328CCK W33 self-aligning roller bearings are designed to solve these challenges. As a professional bearing supplier with ISO 9001 certified production processes, we ensure each bearing meets strict quality standards. Whether your application involves construction machinery articulation points or wind turbine gearboxes, these bearings provide the load capacity and misalignment tolerance needed to keep your operations running.
Optimal Performance in High-Load, Misalignment Scenarios
These self-aligning roller bearings excel in applications where shafts may experience angular misalignment up to 2-3 degrees. They handle heavy radial loads and moderate axial loads, making them ideal for equipment like conveyor systems, industrial fans, and hydraulic presses. Operating temperatures typically range from -30°C to 120°C, suitable for both indoor and outdoor industrial environments.
Key Engineering Features That Impact Longevity
The CCK design indicates a cylindrical bore with a tapered adapter sleeve, allowing for easy mounting and dismounting—critical for maintenance efficiency. The W33 suffix denotes a lubrication groove and three oil holes in the outer ring, ensuring proper lubricant distribution to reduce friction and wear. Made from high-quality bearing steel, these bearings undergo precise heat treatment to achieve optimal surface hardness, enhancing fatigue resistance and extending service life. The self-aligning capability reduces stress on adjacent components, minimizing the risk of premature failure in misaligned installations.
Why Proper Bearing Selection Lowers Total Operational Costs
Choosing the right self-aligning roller bearing directly impacts your bottom line. Inferior bearings with inadequate load ratings or poor misalignment tolerance often fail prematurely, leading to unplanned downtime, replacement costs, and potential damage to expensive equipment. The 22321-22328CCK W33 series, compliant with international dimensional standards, ensures interchangeability and reliable performance, reducing the total cost of ownership through extended service intervals and minimized maintenance requirements.
Quality Assurance You Can Trust
Our self-aligning roller bearings are produced under ISO 9001 quality management systems, with rigorous testing throughout the manufacturing process. Raw materials are inspected for chemical composition and mechanical properties, while finished products undergo dimensional accuracy checks, hardness testing, and surface finish evaluation. We provide a warranty against manufacturing defects, ensuring you receive bearings that meet your application requirements. With access to both our own brand and major international bearing brands, we can source the exact specifications you need, whether standard or custom.
Packaging & Shipping
- Neutral industrial packaging with protective wrapping to prevent damage during transit
- Available from stock for prompt dispatch
- Flexible shipping options including express courier, air freight, and sea freight
- Low minimum order quantities, supporting both small maintenance orders and large production runs
Get Your 22321-22328CCK W33 Bearing Quote Today
Whether you need a single replacement bearing or bulk quantities, we can provide competitive pricing and fast delivery. Contact us with your specific model, quantity, and delivery location, and our technical team will assist with any compatibility questions to ensure you get the right self-aligning roller bearings for your application.
Frequently Asked Questions
Q: Can you supply bearings from other brands besides your own?
A: Yes, we support inquiries for all major international and domestic bearing brands. We can source and supply bearings according to your specified brand and model requirements.
Q: How do I confirm if the 22321-22328CCK W33 bearing fits my equipment?
A: Provide the original bearing model or critical dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with your application.
Q: What is your warranty policy for these bearings?
A: We provide a warranty period covering manufacturing defects. Defective products can be replaced or returned, with specific terms detailed in the sales contract.
Q: What is the minimum order quantity for this bearing?
A: We offer low minimum order quantities, including single-unit purchases, to support small-scale maintenance and testing needs.
Q: How quickly can you ship the 22321-22328CCK W33 bearings?
A: Stock items are dispatched within 1-2 business days. Shipping time depends on the selected method—express courier typically takes 3-5 days, while air or sea freight varies by destination.
Q: Do you offer custom (OEM/ODM) bearing solutions?
A: Yes, we support custom bearing manufacturing according to provided drawings, specifications, or sample requirements for specialized applications.
Ready to order or need a quote?
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Product Summary
- Product Name
- 22321-22328CCK W33 Self-Aligning Roller Bearings
- Category
- Thrust Self-aligning Roller Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Get a Custom Quote
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Thrust Self-aligning Roller Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Custom Specifications Available
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
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22321-22328CCK W33 Self-Aligning Roller Bearings
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