Additional Specialty Coupling Sorts
Stainless Steel
Nylon Sleeves
Large Speed RAHS Sort
Brake Drum FBD and FBW Forms
Insulated FI Style
Vertical Floating Shaft FVFS Form
F Fashion Cutout Shifter FCS 
Type
Mill Motor FAMM Type
1st hub developed with longer universal hub on one particular finish to accommodate straight or tapered shafts
Second hub bored to customer specs
Normal style accommodates AISE Mill Motor frame sizes
Sleeves and second hub are typical
Single engagement FAFR Variety
Single engagement (‘FFR’ Flex-Rigid) accommodates angular misalignment only and it is suitable for floating shaft applications
Common FA Variety
Double engagement (‘F’ flex-flex) for parallel and angular misalignment
Sector normal flange bolt patterns