Premium Power transmission couplings
UPC: 697950277455
Martin QUADRA-FLEX ® is a proven design which offers long life, torsional flexibility, ease of installation, and withstands misalignment, shock, and vibration. Available in sizes 3 to 16 in bored to size, QD Bushed, Spacer Type, and Plain Bore for custom requirements.
Material Cast Iron
Coupling Size 8
Outside Diameter 5.4500 in.
Length Thru Bore 1.3440 in.
Max Bore Size 1.6250 in.
UPC: 697950276724.
Martin QUADRA-FLEX ® is a proven design which offers long life, torsional flexibility, ease of installation, and withstands misalignment, shock, and vibration. Available in sizes 3 to 16 in bored to size, QD Bushed, Spacer Type, and Plain Bore for custom requirements.
Material Cast Iron.
Coupling Size 6.
Outside Diameter 4 in.
Length Thru Bore 1.0630 in.
Max Bore Size 1.1875 in.
6H 3/4
UPC: 697950276786
Martin QUADRA-FLEX ® is a proven design which offers long life, torsional flexibility, ease of installation, and withstands misalignment, shock, and vibration. Available in sizes 3 to 16 in bored to size, QD Bushed, Spacer Type, and Plain Bore for custom requirements.
Material Steel
Coupling Size 6
Outside Diameter 2.5000 in.
Length Thru Bore 1.2188 in.
Bore Type Finished Bore
Finished Bore Size 0.7500 in.
Key Way Size 3/16 X 3/32 in.
Number of Set Screws 1
Max Bore Size 1.3750 in.
4H 1
UPC: 697950276298
Martin QUADRA-FLEX ® is a proven design which offers long life, torsional flexibility, ease of installation, and withstands misalignment, shock, and vibration. Available in sizes 3 to 16 in bored to size, QD Bushed, Spacer Type, and Plain Bore for custom requirements.
Material Steel
Coupling Size 4
Outside Diameter 2.4600 in.
Length Thru Bore 1.6250 in.
Bore Type Finished Bore
Finished Bore Size 1 in.
Key Way Size 1/4 X 1/8 in.
Number of Set Screws 1
Max Bore Size 1.1250 in.
6H 7/8
UPC: 697950276793
Martin QUADRA-FLEX ® is a proven design which offers long life, torsional flexibility, ease of installation, and withstands misalignment, shock, and vibration. Available in sizes 3 to 16 in bored to size, QD Bushed, Spacer Type, and Plain Bore for custom requirements.
Material Steel
Coupling Size 6
Outside Diameter 2.5000 in.
Length Thru Bore 1.2188 in.
Bore Type Finished Bore
Finished Bore Size 0.8750 in.
Key Way Size 3/16 X 3/32 in.
Set Screw Size 1/4-20 unc in.
Set Screw Location (1) Set Screw Over Keyway
Number of Set Screws 1
Max Bore Size 1.3750 in.
7H 1 3/8
UPC: 697950277196
Martin QUADRA-FLEX ® is a proven design which offers long life, torsional flexibility, ease of installation, and withstands misalignment, shock, and vibration. Available in sizes 3 to 16 in bored to size, QD Bushed, Spacer Type, and Plain Bore for custom requirements.
Material Steel
Coupling Size 7
Outside Diameter 2.8125 in.
Length Thru Bore 1.4688 in.
Bore Type Finished Bore
Finished Bore Size 1.3750 in.
Key Way Size 5/16 X 5/32 in.
Number of Set Screws 1
Max Bore Size 1.6250 in.
UPC: 697950216584
Martin Offers Two Complete Lines of Jaw Couplings, One for Greater Horsepower and One for Interchangeability. Features include: no lubrication, easy installation, no metal to metal contact resistant to oil, dirt, sand, moisture, grease, easy inspection of load carrying spider, flexibility of angular or parallel misalignment of shafts by Buna-N Spider member permits smooth “Power Transmission”.
Material Steel
Coupling Size 99
Outside Diameter 2.5313 in.
Length Thru Bore 1.0625 in.
Bore Type Finished Bore
Finished Bore Size 0.5000 in.
Min Bore Size 0.5000 in.
Max Bore Size 1.3750 in
5H 1 1/8
UPC: 697950276441
Martin QUADRA-FLEX ® is a proven design which offers long life, torsional flexibility, ease of installation, and withstands misalignment, shock, and vibration. Available in sizes 3 to 16 in bored to size, QD Bushed, Spacer Type, and Plain Bore for custom requirements.
Material Steel
Coupling Size 5
Outside Diameter 2 in.
Length Thru Bore 1.0938 in.
Bore Type Finished Bore
Finished Bore Size 1.1250 in.
Key Way Size 1/4 X 1/8 in.
Number of Set Screws 1
Max Bore Size 1.1250 in.
