Self-Aligning Ball B. FAG 2218 -K-TVH-C3

The double-row self-aligning ball bearing 2218 -K-TVH-C3 (90x160x40 mm) automatically compensates for misalignment and, thanks to its tapered bore, offers flexible mounting options.

The 2218 -K-TVH-C3 self-aligning ball bearing from FAG Rolling Bearings is a double-row rolling bearing made from standard bearing steel (100Cr6) with a common hollow-spherical outer ring raceway. With key dimensions of a 90 mm bore, 160 mm outer diameter and 40 mm width, this open design is suitable for rotating shafts where misalignment or deflection occurs. Due to its design, the bearing automatically compensates for misalignment between the inner and outer rings during operation.

In which applications is the 2218 -K-TVH-C3 self-aligning ball bearing used?

Design engineers primarily use this self-aligning ball bearing where elastic shaft deflection or misalignment between bearing housings needs to be compensated for. Typical applications include long shaft runs and industrial bearing arrangements with potential misalignment. The open design without sealing washers allows for direct lubrication via the housing. The integrated polyamide cage ensures smooth running of the two rows of balls within the permissible temperature range of –30 to +120 degrees Celsius.

What do the tapered bore and the C3 clearance mean?

The suffixes provide information about specific characteristics: the designation ‘K’ stands for a tapered bore with a taper ratio of 1:12, which enables mounting on adapter sleeves or directly onto tapered shaft seats. The designation C3 indicates a slightly increased radial clearance compared with the standard version. This additional radial clearance prevents the bearing from becoming stressed after being pressed onto the shaft or due to operational heating, thereby supporting unimpeded rolling element movement.