Martin

Martin Quadra-Flex® 7S 1 1/4 Bored-to-Size Type S Coupling Flange, 07 Coupling, 1-1/4 in Bore Dia, 1.844 in Length Through Bore, 2-13/16 in Hub Dia, Steel

7SX1-1/4-MAR MFG #: 7S 1 1/4
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Martin Quadra-Flex® 7S 1 1/4 Bored-to-Size Type S Coupling Flange, 07 Coupling, 1-1/4 in Bore Dia, 1.844 in Length Through Bore, 2-13/16 in Hub Dia, Steel
  • Bore Diameter: 1-1/4 in
  • Country of Origin: US
  • Coupling Size: 07
  • Hub Diameter: 2-13/16 in
  • Hub Length: 11/16 in
  • Keyway Size: 1/4 x 1/8 in
  • Length Through Bore: 1.844 in
  • Manufacturer Name: Martin Sprocket & Gear
  • Material: Steel
  • Maximum Speed: 5250 rpm
  • Screw Size: 5/16-18 x 5/16 in
  • Type: Bored-to-Size Type S
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.
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  • Item Features
  • No lubrication needed and easy to install
  • Available in three styles, J and S flanges - Bored to size, B flanges - QD bushed and SC spacer flanges - Pump style
  • Precise machining and processes ensure consistent finish and high quality