Martin 9S21/8 QUADRA-FLEX Coupling Flange Next Day Delivery
Original price was: $14.99.$7.50Current price is: $7.50.
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





