The 22217 CCK W33 is a high-performance double row spherical roller bearing designed for demanding industrial applications where heavy radial loads, moderate axial loads, and shaft misalignment must be handled reliably. As part of the spherical roller bearings category within roller bearings, this model is widely used in equipment operating under harsh conditions such as vibration, shock loads, and variable speeds.
With its robust internal geometry and optimized lubrication features, the 22217 CCK W33 bearing delivers long service life and stable performance, making it a preferred choice for power transmission systems, heavy machinery, and process industries.
Design Features and Technical Characteristics
The 22217 CCK W33 bearing incorporates several structural features that directly support its load capacity and operational reliability. The double row spherical roller design allows the bearing to self-align, compensating for shaft deflection and housing misalignment without generating excessive internal stress.
Key design highlights include:
- CC internal design: Symmetrical spherical rollers guided by a precision-machined cage, ensuring uniform load distribution and reduced friction
- CK tapered bore (1:12): Enables easy mounting and accurate clearance adjustment using adapter sleeves
- W33 lubrication groove and holes: Facilitates efficient grease supply for continuous or centralized lubrication systems
These features position the 22217 CCK W33 as a reliable solution among double row spherical roller bearings used in continuous-duty industrial environments.

Typical Applications of 22217 CCK W33
Thanks to its ability to handle high loads and misalignment simultaneously, the 22217 CCK W33 spherical roller bearing is commonly installed in heavy and medium-duty machinery, including:
- Conveyors, crushers, and vibrating screens
- Gearboxes and reduction drives
- Mining, cement, and steel processing equipment
- Fans, blowers, and industrial pumps
In these applications, the bearing’s spherical roller structure ensures stable operation even when installation conditions are less than ideal.
Why Choose the 22217 CCK W33 Bearing?
When selecting spherical roller bearings, engineers and procurement specialists often focus on load capacity, mounting flexibility, and lubrication efficiency. The 22217 CCK W33 offers a balanced combination of these factors:
| Feature | Benefit for Equipment Operation |
|---|---|
| Double row spherical rollers | High radial load capacity and axial load support |
| Self-aligning capability | Reduced sensitivity to misalignment |
| W33 lubrication system | Improved lubrication reliability and bearing life |
| Tapered bore design | Simplified installation and maintenance |
These advantages make the 22217 CCK W33 a cost-effective and dependable option within the roller bearings portfolio for long-term industrial use.

Conclusion
The 22217 CCK W33 spherical roller bearing is engineered to meet the demands of heavy-load, high-reliability applications. As a double row spherical roller bearing, it combines strong load-carrying capacity, self-aligning performance, and enhanced lubrication features into a single, versatile bearing solution. For industries seeking durability, operational stability, and reduced maintenance, the 22217 CCK W33 remains a proven and widely adopted choice.
