FAFNIR SM1100KSC4 insert bearing with collar, designed for 1-inch bore shafts. This unit integrates the bearing and collar in a single insert that fits into a compatible housing to provide radial support while locating the shaft axially via the collar. The SM1100KSC4 designation identifies this specific FAFNIR configuration, with closely related SM1100KS variants referenced in the same product family.
