We are closed from Monday, Dec 23rd and will reopen on Monday, Jan 6th. Any orders received during this time will be processed in the New Year.
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Get it by Tuesday, Dec 31
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Step 1 Add the items into your cart or submit a Purchase order
Step 2 Checkout, select NET30 payment (provide company registration and VAT number)
Step 3 Delivery via TNT or Royal Mail and receive invoice for payment in 30-days
Step 4 Make payment via BACS to our factoring partner,
| Item | Flexible Coupling |
| Adapter Bcd | 18.5" |
| Adapter Bolting | HD |
| Adapter Outer Dia. | 20.375" |
| Adapter Outside Dia. | 20.375" |
| Adapter Size | 20 |
| Angular Misalignment | 0.33 Deg. |
| Coupling Size | 412 |
| Dimension A | 11" |
| Dimension B | 4 1/4" |
| Dimension C | 6.51" |
| Dimension D | 7.14" |
| Dimension G | 1 1/4" |
| Dimension L | 11.39" |
| Dimension P | 1 1/4" |
| Dimension P (in.) | 0.75" |
| Free End Float +/- | 0.08" |
| Hp Rating @ 100 Rpm | 190 hp |
| Inertia | 4340 lbs.-sq. ft. |
| Max. Bore | 4 1/2" |
| Max. Rpm | 2500 RPM |
| Mounting Type | Flywheel mounting hardware is not supplied with coupling. |
| Number Of Bolt Holes | 8 |
| Peak O/l Torque | 180000 lbs.-in. |
| Product Type | GCF |
| Rated Torque | 120000 lbs.-in. |
| Spacer Size | 42 |
| Weight | 138 Lbs. |
| Model | Adapter Bcd | Adapter Bolting | Adapter Outer Dia. | Adapter Outside Dia. | Adapter Size | Adapter Type | Coupling Size | Dimension A | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| GCF340-31-12HD | 11.5" | HD | 12.375" | 12.375" | 12 | - | 340 | 8.38" | - | RFQ
|
| GCF340-31-12SAE | 11.625" | SAE | 12.375" | - | 12 | SAE | 340 | 8.38" | - | RFQ
|
| GCF340-31-14SAE | 13.125" | SAE | 13 7/8" | 13.875" | 14 | - | 340 | 8.38" | - | RFQ
|
| GCF340-31-18SAE | 17.25" | SAE | 18.375" | 18.375" | 18 | - | 340 | 8.38" | - | RFQ
|
| GCF340-31-20HD | 18.5" | HD | 20.375" | - | 20 | HD | 340 | 8.38" | - | RFQ
|
| GCF340-31-20SAE | 19.25" | SAE | 20.375" | 20.375" | 20 | - | 340 | 8.38" | - | RFQ
|
| GCF340-31-22SAE | 21.375" | SAE | 22.5" | 22.5" | 22 | - | 340 | 8.38" | - | RFQ
|
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
Trade pricing is available for 
Order Value should be £500+