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Martin 9S21/8 QUADRA-FLEX Coupling Flange Next Day Delivery

Original price was: $14.99.Current price is: $7.50.

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SKU: SK0291397 Category: Tag:
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The Martin 9S21/8 is a QUADRA-FLEX coupling flange designed for effective connection in mechanical systems. It features a bore size of two and one-eighth inches and is built from cast iron for durability. Ideal for various mechanical applications, it supports operations with a maximum RPM of three thousand seven hundred fifty.

  • Cast iron construction
  • Bored to two and one-eighth inches
  • Compatible with QUADRA-FLEX systems

Product Highlights

This coupling flange provides reliable performance in demanding environments. It is engineered for longevity and precision, making it suitable for a range of mechanical power transmission tasks.

Product Information

Standard Information

  • Brand: Martin
  • MPN: 9S21/8

Technical Specifications

  • Max RPM: 3750 rpm
  • Length Through Bore: 2 13/32 in
  • Hub Length: 25/32 in
  • Coupling Size: 9S
  • Outside Diameter: 6.3500 in
  • Hub Diameter: 3 5/8 in
  • Bore Size: 2.125 in – 2 1/8 in
  • Lock Type: Setscrew
  • Keyway Size: 1/2 x 1/4
  • Bore Type: Finished Bore
  • Material: Cast Iron
  • Weight: 6.5 LB
  • EAN or UPC: 697950278117