ROTEX® GS Couplings
The ROTEX® GS couplings by KTR transmit torque with torsionally flexible backlash from curved jaw hubs and elastomeric elements. This allows for misalignment and for functionality when misaligned, minimizing of restoring forces, dampen shock and vibration, and while creating a zero-backlash torque transmission. The ROTEX® GS couplings not only provide torsional stiffness, they also provide dampening to the system. Interlocking curved jaws allow up to 3.625 inches and a maximum nominal torque of 21,242 (in-lb) and while accommodating blind assembly.
ROTEX® GS Size 5
Series # Major Outside
Diameter (in)
Bore
(in)
Overall Coupling
Length (in)
Standard
Material
Fastening
Type
Starting
At
(USD)
Helpful
Links
Size 5 0.39 1/8 - 3/16 0.59 Aluminum Setscrew Call Us
Size 7 0.55 1/8 - 5/16 0.87 Aluminum Setscrew Call Us
Size 9 0.79 3/16 - 3/8 1.18 Aluminum Setscrew Call Us
Size 12 0.98 3/16 - 7/16 1.34 Aluminum Setscrew Call Us
Size 14 1.18 3/16 - 5/8 1.38 Aluminum Setscrew Call Us
Size 19 1.57 1/4 - 3/4 2.60 Aluminum Setscrew Call Us
Size 24 2.17 3/8 - 1 3.07 Aluminum Setscrew Call Us
Size 28 2.56 1/2 - 1 1/2 3.54 Aluminum Setscrew Call Us
Size 38 3.15 9/16 - 1 3/4 4.49 Aluminum Setscrew Call Us
Size 42 3.74 13/16 - 1 3/4 4.96 Aluminum Setscrew Call Us
Size 48 4.13 1 - 2 5.51 Aluminum Setscrew Call Us
Size 55 4.72 1 1/8 - 2 1/2 6.30 Aluminum Setscrew Call Us
Size 65 5.31 1 3/8 - 2 3/4 7.28 Aluminum Setscrew Call Us
Size 75 6.3 1 1/2 - 3 1/8 8.27 Aluminum Setscrew Call Us
*Please click on the Series # for a complete part number and pricing.
Series # Major Outside
Diameter (mm)
Bore
(mm)
Overall Coupling
Length (mm)
Standard
Material
Fastening
Type
Starting
At
(USD)
Helpful
Links
Size 5 10 51 , 127 15 Aluminum Setscrew Call Us
Size 7 14 76 , 178 22 Aluminum Setscrew Call Us
Size 9 20 102 - 279 30 Aluminum Setscrew Call Us
Size 12 25 102 - 305 34 Aluminum Setscrew Call Us
Size 14 30 127 - 406 35 Aluminum Setscrew Call Us
Size 19 40 203 - 508 66 Aluminum Setscrew Call Us
Size 24 2 254 - 711 78 Aluminum Setscrew Call Us
Size 28 65 356 - 965 90 Aluminum Setscrew Call Us
Size 38 80 381 - 1143 114 Aluminum Setscrew Call Us
Size 42 95 508 - 1270 126 Aluminum Setscrew Call Us
Size 48 105 635 - 1270 140 Aluminum Setscrew Call Us
Size 55 120 813 - 1651 160 Aluminum Setscrew Call Us
Size 65 135 889 - 1778 185 Aluminum Setscrew Call Us
Size 75 160 1067 - 2032 210 Aluminum Setscrew Call Us
*Please click on the Series # for a complete part number and pricing.
Series # Major Outside
Diameter (in)
Bore
(in)
Overall Coupling
Length (in)
Standard
Material
Fastening
Type
Starting
At
(USD)
Helpful
Links
Size 14 1.18 1/4 - 1/2 1.97 Aluminum Setscrew Call Us
Size 19 1.57 3/8 - 3/4 2.60 Steel Setscrew Call Us
Size 24 2.17 3/8 - 1 3.07 Steel Setscrew Call Us
Size 28 2.56 5/8 - 1 1/2 3.54 Steel Setscrew Call Us
Size 38 3.15 5/8 - 1 3/4 4.49 Steel Setscrew Call Us
Size 42 3.74 7/8 - 2 4.96 Steel Setscrew Call Us
Size 48 4.13 1 - 2 1/8 5.51 Steel Setscrew Call Us
Size 55 4.72 1 1/4 - 2 3/4 6.30 Steel Setscrew Call Us
Size 65 5.31 1 1/2 - 2 3/4 7.28 Steel Setscrew Call Us
Size 75 6.30 1 3/4 - 3 1/8 8.27 Steel Setscrew Call Us
*Please click on the Series # for a complete part number and pricing.
Series # Major Outside
Diameter (mm)
Bore
(mm)
Overall Coupling
Length (mm)
Standard
Material
Fastening
Type
Starting
At
(USD)
Helpful
Links
Size 14 30 152 - 356 50 Aluminum Setscrew Call Us
Size 19 40 254 - 508 66 Steel Setscrew Call Us
Size 24 55 355.6 - 711 78 Steel Setscrew Call Us
Size 28 65 381 - 965 90 Steel Setscrew Call Us
Size 38 80 508 - 1143 114 Steel Setscrew Call Us
Size 42 95 635 - 1270 126 Steel Setscrew Call Us
Size 48 105 762 - 1397 140 Steel Setscrew Call Us
Size 55 120 889 - 1778 160 Steel Setscrew Call Us
Size 65 135 1016 - 1778 185 Steel Setscrew Call Us
Size 75 160 1143 - 2032 210 Steel Setscrew Call Us
*Please click on the Series # for a complete part number and pricing.
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