SKF HRB+ SPHR ROLLER BRG 23120 CC/C3W33

Spherical roller bearings play a key role in the proper operation of equipment subjected to high mechanical loads. Their robust design ensures reliable and continuous performance, even under unstable or demanding operating conditions.

This SKF spherical roller bearing can handle heavy loads while compensating for misalignment. It features a stamped steel cage, a CC design, an annular groove, and lubrication holes on the outer ring (W33), as well as an internal radial clearance of C3. Thanks to its two symmetrical rows of rollers, it provides efficient force distribution, even in the presence of shaft deflection or misalignment.

Features:
This SKF model features an internal CC-type design with two stamped steel window cages, offering excellent mechanical strength and reduced inertia. The cylindrical bore facilitates quick mounting on the shaft without requiring additional accessories. Thanks to its C3 internal radial clearance, the bearing effectively accommodates thermal expansion, thereby limiting internal stresses. Its open design and optimized internal components allow it to operate at high rotational speeds while ensuring excellent distribution of radial and axial loads in both directions. The annular groove and three lubrication holes on the outer ring facilitate relubrication, thereby extending the product’s service life.

Maintenance:
Maintenance of this spherical roller bearing is facilitated by its open design and integrated lubrication system. An annular groove and three lubrication holes (feature W33) on the outer ring allow for effective periodic relubrication, which is essential for flushing out contaminants and maintaining an optimal lubricating film. The frequency of this relubrication will depend on operating conditions (temperature, speed, load, environment). It is crucial to select a lubricant suitable for the application’s temperature conditions, as the bearing itself can withstand high temperatures (up to 200°C for dimensional stability). It is recommended to monitor for signs of wear or the presence of contaminants, particularly in dusty or humid conditions.

Sealing:
This double-row roller bearing is designed without integrated seals. This open design allows for direct inspection and faster heat dissipation, but makes it vulnerable to dust and moisture. The absence of seals reduces internal friction and allows for higher rotational speeds. However, it is crucial to keep the mounting areas clean and to relubricate frequently to prevent the ingress of particles.

Brand Information:
SKF has been a global leader in the design and manufacture of bearings for over a century. Recognized for its technical expertise, continuous innovation, and commitment to quality, SKF offers a comprehensive range of solutions, from bearings to lubrication systems and related services. With its reliable, high-performance products, SKF supports various industrial sectors, including automotive, aerospace, energy, manufacturing, and many others.

Key Benefits:
- Automatically compensates for misalignment and shaft deflection, reducing stress;
- Suitable for high radial and axial loads in both directions;
- Optimized design for reliable performance at high rotational speeds.
- Reliable operation at high temperatures, up to 200 °C with the proper lubricant;
- Simple installation thanks to the cylindrical bore;
- Open design facilitating maintenance and monitoring;
- Easy relubrication with an annular groove and dedicated ports.

Applications:
This type of bearing is used in many demanding industrial applications. It is found in grinding equipment, heavy-duty conveyors, gearboxes, industrial fans, and mechanical presses. It is also suitable for environments subject to constant misalignment or variable loads, such as in the mining industry, paper mills, or power generation facilities. Its use is recommended in systems where stability, high load capacity, and durability are essential.