Stemco
STEMCO 650-0605 NSFB
I chose Altronic because their components fit my existing system without modifications.
STEMCO 650-0561 NSFB
You will find the WAGO 206-1204 Variocrimp 4 works with ferrules and pin terminals without issues.
Stemco 320-2117 Grit Guard Hub Seal With 315-1509 Axle Ring
A nice touch on the TECHTONGDA chassis is the rounded corners for safety.