Self-Aligning Ball B. FAG 1309 -TVH-C3

The FAG 1309 -TVH-C3 self-aligning ball bearing, with dimensions of 45 × 100 × 25 mm, compensates for misalignment and shaft deflection by design.

The double-row self-aligning ball bearing 1309 -TVH-C3 from FAG Rolling Bearings is suitable for designs where shaft deflection or misalignment between the housing and the shaft occurs. Thanks to the shared hollow-spherical raceway in the outer ring, the two rows of balls can adjust their angular position. This open rolling bearing is made from standard rolling bearing steel 100Cr6 and is suitable for a temperature range of -30 to +120 degrees. With a standard inner ring and tolerance class P0/PN (ABEC 1), it meets standard industrial requirements.

In which installation scenarios does the 1309 -TVH-C3 self-aligning ball bearing compensate for misalignment?

Design engineers opt for this design when elastic shafts or housing misalignment need to be compensated for. Typical applications include bearing arrangements with shafts prone to deflection or misalignment between separate bearing locations. As this is an open design without integrated sealing washers, lubricating oil or grease reaches the rolling elements unhindered. At the same time, the design requires the housing to be sealed externally to prevent both the ingress of contaminants and the escape of lubricant.

What do the TVH cage and the C3 bearing clearance mean for assembly?

The suffix ‘TVH’ denotes a lightweight polyamide cage that ensures smooth running and dampens vibrations. The designation ‘C3’ indicates an increased radial bearing clearance compared with the standard version. This increased bearing clearance serves to accommodate operational thermal expansion of the shaft or to allow for tight fits without the bearing becoming stressed after press-fitting. Before installation, check that the operating temperatures remain within the permissible range up to +120 degrees.