Rockler 3 Wing Slotting Cutters Router Bits

Saipe 5pcs T-Slot Cutter Router Bit 14 Inch Shank Keyhole Router Bit Set with 14 & 516 & 38 & 12 & 916 Inch Blade Diameter for Wood Hex Bolt T-Track

T Slot Cutter Router Bit 14 Shank 18 Cutting Depth 2 Flutes HSS T-Slot Undercut Woodworking Cutter Grooving Tool Aracde Cabinet Machines Slotting

1_4 slot cutter router bit Lavie 6mm 14 Inch Shank T-slot Handle Router Bit Tungsten Carbide Slotting Straight For Wood Milling Cutter Woodworking

1_43 slot cars Result is the bearing is so big that the slot cutter doesn't go as deep as I need So do I buy smaller bearings or buy larger diameter slot