A motor collar, table support and insert ring solve different problems. Keep the required piece attached to the exact lift relationship.
Required motor adapter · 57022
For the documented Bosch 1617, DeWalt DW616/DW618 and Porter-Cable 690/890 combinations in Rockler Pro Lift 52429 or 55803. A reducing ring around a router bit cannot replace this motor collar.
Table support hardware · PRS3040
A support method for the Kreg lift in a correctly sized straight-sided opening. Inspect existing table hardware before ordering; owning a plate does not establish that the support pieces are present.
Optional bit-opening rings · PRS3050
Additional openings for a compatible Kreg ring system. These rings change clearance around the bit; they do not change the motor-clamp diameter or the outer plate footprint.
Affiliate link · Listing checked 2026-09-11. Verify current price and contents at Amazon.
Required support on named table construction · CleanSweep Table Adapter
INCRA specifies this adapter for its Mast-R-Lift II on Kreg and JessEm tables that have no rabbeted ledge. This evidence applies to the INCRA variant, not every JessEm-branded lift.