Additional Specialty Coupling Forms
Stainless Steel
Nylon Sleeves
Substantial Pace RAHS Variety
Brake Drum FBD and FBW Styles
Insulated FI Type
Vertical Floating Shaft FVFS Form
F Fashion Cutout Shifter FCS Type
Mill Motor FAMM Kind
Initially hub developed with longer universal hub on one particular finish to accommodate straight or tapered shafts
Second hub bored to consumer specs
Normal style 
accommodates AISE Mill Motor frame sizes
Sleeves and 2nd hub are typical
Single engagement FAFR Form
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
Marketplace common flange bolt patterns