BTL Plummer Block Housings and STL Drum Take-up Bearing Housings are undivided housings for fitting spherical roller bearings with cylindrical bore series 220, 230, 231 and 232.
These housings are usually made of steel cast GS 45.
Depending on the individual requirements these housings are supplied for either locating or floating bearings.
HFB Housings are equipped with double labyrinth seals at both ends and designed for grease lubrication.
Alternatively: TACONITE seal