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 2 - 5 15 Aluminum Setscrew Call Us
Size 7 14 3 - 7 22 Aluminum Setscrew Call Us
Size 9 20 4 - 11 30 Aluminum Setscrew Call Us
Size 12 25 4 - 12 34 Aluminum Setscrew Call Us
Size 14 30 5 - 16 35 Aluminum Setscrew Call Us
Size 19 40 8 - 20 66 Aluminum Setscrew Call Us
Size 24 2 10 - 28 78 Aluminum Setscrew Call Us
Size 28 65 14 - 38 90 Aluminum Setscrew Call Us
Size 38 80 15 - 45 114 Aluminum Setscrew Call Us
Size 42 95 20 - 50 126 Aluminum Setscrew Call Us
Size 48 105 25 - 55 140 Aluminum Setscrew Call Us
Size 55 120 32 - 65 160 Aluminum Setscrew Call Us
Size 65 135 35 - 70 185 Aluminum Setscrew Call Us
Size 75 160 42 - 80 210 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 6 - 14 50 Aluminum Setscrew Call Us
Size 19 40 10 - 20 66 Steel Setscrew Call Us
Size 24 55 14 - 28 78 Steel Setscrew Call Us
Size 28 65 15 - 38 90 Steel Setscrew Call Us
Size 38 80 20 - 45 114 Steel Setscrew Call Us
Size 42 95 25 - 50 126 Steel Setscrew Call Us
Size 48 105 30 - 55 140 Steel Setscrew Call Us
Size 55 120 35 - 70 160 Steel Setscrew Call Us
Size 65 135 40 - 70 185 Steel Setscrew Call Us
Size 75 160 45 - 80 210 Steel Setscrew Call Us
*Please click on the Series # for a complete part number and pricing.
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