Self-Aligning Ball B. FAG 2220 -M

The 2220-M self-aligning ball bearing, measuring 100 × 180 × 46 mm, compensates for misalignment and houses two rows of balls in a robust brass cage.

The 2220-M self-aligning ball bearing from FAG Rolling Bearings is a double-row rolling bearing made from standard bearing steel (100Cr6) with a cylindrical bore. The shared hollow-spherical raceway in the outer ring enables the compensation of both static and dynamic misalignments between the shaft and housing. With a bore of 100 mm, an outer diameter of 180 mm and a width of 46 mm, this design can handle high loads. As an open bearing, it can be flexibly integrated into existing lubrication systems.

In which applications is the 2220-M self-aligning ball bearing used?

Design engineers primarily select the 2220-M self-aligning ball bearing for shafts with longer support spans, where operational deflection or misalignment may occur. Thanks to its angular-contact design, the bearing prevents damaging edge stresses on the rolling elements. Typical applications are found in general mechanical engineering where the shaft is subject to elastic deformation. As this is a double-row bearing, the unit can accommodate radial forces as well as axial loads in both directions.

What advantages does the brass cage offer in this bearing?

The designation letter ‘M’ refers to the version with a solid brass cage. Brass is characterised by high resistance to mechanical stresses and vibrations. Furthermore, the cage design supports the wide temperature range from –30 to +150 degrees Celsius. The standard radial bearing clearance, in combination with the standard tolerance class P0/PN (ABEC 1), ensures a balanced operating clearance for typical fit conditions.