Insert bearing designs

SKF ball bearing flanged unit assortment comprises a wide assortment of insert bearing series and designs with main differences in the way the bearing is locked onto the shaft and different sealing solutions.

For detailed information about the insert bearing assortment including their different locking methods, sealing solutions and materials, refer to Insert bearings (product table).

Locking methods

Locking methods available as standard for ball bearing flanged units are:

Eccentric locking methods
- grub (set) screws (fig. 1) – table 1
- eccentric locking collar (fig. 2) – table 2
Concentric locking methods
- SKF ConCentra locking (fig. 3) – table 3
- adapter sleeve locking (fig. 4) – table 4

Sealing solutions

The insert bearings used in the standard assortment of ball bearing flanged units are capped with either:

standard seals (fig. 5)
standard seals with additional flingers (fig. 6)
multiple seals or food-compatible multiple seals (fig. 7)
5-lip seals (fig. 8)
shields with additional flingers (→ Insert bearings and ball bearing units for high temperature applications)