The Flexible Shaft Couplings

NOTICE – A COMPLETE COUPLING CONSISTS OF 1 RING and 2 HUBS.
Hubs of the same number size can be mixed-matched, at no additional cost, providing each bore is standard as listed below.


#1 FleXring 1/10 hp @1725 rpm (Static Torque (in/lb) 30)
Part Number Description Bore" Set Scr Keyw" Dia" Length" Cost (US $)
#FR1R RING ONLY       7/8 7/8 $5.45
  #FR1HA-3 HUB Aluminum 3/16" 8-32 N/A 7/8 9/16 $4.50
  #FR1HA-4 HUB Aluminum 1/4" 8-32 N/A 7/8 9/16 $4.50


#2 FleXring 3/10 hp @1725 rpm (Static Torque (in/lb) 110)
Part Number Description Bore" Set Scr Keyw" Dia" Length" Cost (US $)
#FR2R RING ONLY       1-3/8 1-1/8 $6.50
  #FR2HA-3 HUB Aluminum 3/16" 10-24 N/A 1-3/8 3/4 $4.95
  #FR2HA-4 HUB Aluminum 1/4" 10-24 N/A 1-3/8 3/4 $4.95


#3 FleXring 6/10 hp @1725 rpm (Static Torque (in/lb) 180)
Part Number Description Bore" Set Scr Keyw" Dia" Length" Cost (US $)
#FR3R RING ONLY       1-3/4 1-1/8 $6.85
  #FR3HA-3 NEW HUB Hi Impact Plastic 1/2" 1/4-20 3/16" 1-3/4 3/4 $5.75
  #FR2HA-4 NEW HUB Hi Impact Plastic 5/8" 1/4-20 3/16" 1-3/4 3/4 $6.75


#4 FleXring 2.0 hp @1725 rpm (Static Torque (in/lb) 550)
Part Number Description Bore" Set Scr Keyw" Dia" Length" Cost (US $)
#FR4R RING ONLY       2-7/16 1-7/8 $7.45
  #FR4HP-58 NEW HUB Hi Impact Plastic 5/8" 1/4-20 3/16" 2-7/16 1-1/16 $6.85
  #FR4HP-34 NEW HUB Hi Impact Plastic 3/4" 1/4-20 3/16" 2-7/16 1-1/16 $6.85
  #FR4HP-78 NEW HUB Hi Impact Plastic 7/8" 5/16-18 1/4" 2-7/16 1-1/16 $6.85



StoufferTechnologies, Inc.    
14228 State Road 23    
Granger, IN 46530   Email: