FAG 21305-E1-XL-TVPB SPHERICAL ROLLER BEARING 190001890000

Spherical roller bearings are designed to combine robustness, flexibility, and durability. Their double-row roller design allows them to simultaneously withstand heavy radial loads and axial forces in both directions. Thanks to their self-aligning capability, they compensate for misalignments while ensuring smooth force transmission. This type of bearing is the ideal choice when dealing with very heavy loads where extreme precision is not required.

Features:
This FAG spherical roller bearing features two symmetrical rows of rollers that ensure excellent load distribution. Its polyamide cage, guided by the inner ring, offers reduced internal friction and allows for high rotational speeds. The open design facilitates quick visual inspection, while the optimized internal geometry—without a central shoulder—significantly increases load capacity. Thanks to the cylindrical bore, installation is simplified and suitable for conventional fixed mountings. The absence of seals allows operation at higher temperatures, provided that lubrication is properly controlled. This spherical roller bearing is also compatible with automated environments thanks to its enhanced dynamic stability. Schaeffler’s X-life technology further improves overall performance by optimizing contact surfaces and reducing internal mechanical stresses.

Maintenance:
This bearing is shipped dry and requires regular lubrication with grease or oil, depending on the application’s operating conditions (speed, temperature, loads, etc.). It has neither a lubrication groove nor integrated lubrication holes, which requires extra care during maintenance. Lubrication must therefore be carefully planned, taking into account accessibility and the frequency of maintenance. During installation or maintenance operations, impeccable cleanliness is essential to prevent the ingress of particles. In the event of contamination, a thorough cleaning of the housing is required. Thanks to X-life technology, maintenance intervals can be extended, particularly through reduced heat generation and optimized lubricant circulation. The continuous operating temperature must not exceed 120°C; above this temperature, the polyamide cage could soften.

Sealing:
This bearing has an open design. This configuration facilitates visual inspection and simplifies maintenance. However, it makes the bearing vulnerable to dust, moisture, and solid particles. It is therefore preferable to install it in a clean environment or to provide an external protection system. Regular relubrication helps remove contaminants and minimize wear. The absence of seals also offers the advantage of reducing friction, which improves the system’s overall efficiency and ultimately allows for higher angular speeds.

Brand Information:
FAG is a brand of the Schaeffler Group, a global leader in motion technology. For over 130 years, FAG has been designing high-precision bearings for industrial and automotive applications. Recognized for its technological rigor and capacity for innovation, it offers reliable, high-performance solutions to meet the most complex industrial requirements. With a presence in more than 50 countries, the Schaeffler Group operates approximately 200 sites worldwide, thereby strengthening its proximity to its customers and industrial partners.

Key Benefits:
- Very high radial and axial load capacity thanks to the E1 design and the X-life series.
- Lightweight polyamide cage: reduced noise and improved performance at high speeds.
- X-life technology: extended service life, reduced wear, and improved efficiency.
- Open design: simplified inspection and maintenance.
- High permissible speed provided proper thermal control is maintained.

Applications:
This type of roller bearing is particularly well-suited for stationary installations requiring long-term robustness and reliability. It is frequently found in screw compressors, industrial fans, pumps for non-corrosive fluids, standard gearboxes, and secondary turbines. It is ideal for environments requiring continuous operation, particularly in the water treatment, industrial air conditioning, and paper, textile, and plastics manufacturing sectors. It integrates easily into existing designs thanks to its standardized dimensions.