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Spline shafts and couplings are used in power transmission systems to transfer torque and rotation from one component to another. Spline shafts have a long, cylindrical rod-type design with
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ATB Wood's Form-Flex couplings connect two shafts and transmit torque / power effectively from one shaft to the other. They compensate for angular, parallel and axial misalignment between two connected shafts at a closer distance. These AA couplings feature a flexible disc to minimise misalignment forces and allow easy interchangeability, thereby reducing downtime & maintenance time. Choose from a wide range of these Form-Flex couplings, available in torque ratings ranging from 2363 to 17010 lb-inch on Raptor Supplies.
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B| Style | Model | MPN | Price (inc. VAT) | |
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| A | 0332-00023 | £160.44 | RFQ
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| A | 0332-00026 | £268.33 | RFQ
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| A | 0332-00038 | £533.01 | RFQ
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| A | 0332-00039 | £542.85 | RFQ
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| A | 0332-00390 | £115.46 | RFQ
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| A | 0332-00391 | £180.84 | RFQ
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| A | 0332-00393 | £175.41 | RFQ
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| B | 0332-00394 | £89.68 | RFQ
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| A | 0332-00397 | £383.45 | RFQ
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| A | 0332-00398 | £249.76 | RFQ
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| A | 0332-00399 | £394.30 | RFQ
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C| Style | Model | Material | Type | Outside Dia. | Bore Size | Total Length | Screw Size | Screw Material | Grade | Price (inc. VAT) | |
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| A | 13A014014PSC | - | RFQ
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| A | 13A012012PSC | £139.68 | RFQ
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| A | 13A010010PSC | - | RFQ
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| A | 13A004004PSC | £110.88 | RFQ
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| A | 13A005005PSC | £110.88 | RFQ
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| A | 13A011011PSC | - | RFQ
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| A | 13A006006PSC | £116.48 | RFQ
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| A | 13A007007PSC | £130.69 | RFQ
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| A | 13A008008PSC | - | RFQ
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| A | 13A009009PSC | £144.25 | RFQ
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| A | 13A100100PSC | - | RFQ
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| B | 13S005005PSC | £122.60 | RFQ
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| B | 13S011011PSC | £194.08 | RFQ
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| B | 13S007007PSC | £141.82 | RFQ
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| B | 13S009009PSC | £147.81 | RFQ
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| C | 13C004004 | - | RFQ
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| B | 13S012012PSC | - | RFQ
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| B | 13S014014PSC | £212.14 | RFQ
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| C | 13C012012 | - | RFQ
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| C | 13C014014 | - | RFQ
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| C | 13C100100 | - | RFQ
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| B | 13S100100PSC | - | RFQ
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| C | 13C009009 | - | RFQ
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| C | 13C007007 | - | RFQ
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| C | 13C005005 | - | RFQ
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ATB Wood's AP Series Form-Flex couplings transfer mechanical power from one shaft to another. They are ideal for pumps, centrifugal & screw compressors, fans, blowers, mixers and turbo compressors. These couplings offer wider separation between two shafts than other couplings, allowing servicing operations without moving or disconnecting the equipment. They accommodate angular, parallel and axial misalignment. Choose from a wide range of these Form-Flex couplings, available in 1.19, 1.38 and 1.63 inch bore sizes on Raptor Supplies.
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ATB Wood's close couple Form-Flex couplings are ideal for transferring torque and power while accommodating angular, axial and parallel misalignment between two shafts. These AY Series couplings feature 300 stainless steel constructed flex discs for providing high torsional value with a maximum torque rating of 7600 lb-inch. They do not require additional lubrication for running smoothly. Choose from a wide range of Form-Flex couplings, available in a maximum bore size of 2.56 inches on Raptor Supplies.
ATB Wood's FSH Form-Flex couplings are designed to transmit torque while compensating for angular, parallel and axial misalignments between two connected shafts. These couplings feature a flexible disc to minimise the misalignment errors and offer high torsional stiffness to maintain the structural integrity of the system. Choose from a wide range of these TB Wood's couplings, available in 6 to 12 bolt hole options on Raptor Supplies.
A| Style | Model | Max. Bore | Hp Rating @ 100 Rpm | Free End Float | Max. Rpm | Dimension G | Dimension B | Dimension D | Dimension F | |
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| A | FSH37-22-HD | RFQ
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| A | FSH37-18-HD | RFQ
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| A | FSH37-20-SAE | RFQ
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| A | FSH37-22-SAE | RFQ
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| A | FSH37-14-SAE | RFQ
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| A | FSH37-20-HD | RFQ
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| A | FSH37-18-SAE | RFQ
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| A | FSH37-14-HD | RFQ
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| A | FSH31-18-SAE | RFQ
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| A | FSH31-12-SAE | RFQ
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| A | FSH31-14-SAE | RFQ
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| A | FSH31-10-HD | RFQ
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| A | FSH31-20-SAE | RFQ
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| A | FSH31-22-SAE | RFQ
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| A | FSH31-22-HD | RFQ
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| A | FSH31-12-HD | RFQ
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| A | FSH31-10-SAE | RFQ
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| A | FSH31-18-HD | RFQ
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| A | FSH31-20-HD | RFQ
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| A | FSH31-14-HD | RFQ
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| A | FSH45-22-HD | RFQ
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| A | FSH45-18-SAE | RFQ
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| A | FSH35-14-HD | RFQ
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| A | FSH35-14-SAE | RFQ
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| A | FSH35-18-HD | RFQ
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ATB Wood's AX Series Form-Flex couplings transfer mechanical power & torque between two shafts and accommodate angular, parallel & axial misalignment. They are ideal for pumps, centrifugal & screw compressors, fans, blowers, mixers and turbo compressors, where two fully supported shafts are located very close together (1/8 to 2 inches). Choose from a wide range of AX Series Form-Flex couplings, available in bore sizes of 1.69, 1.75 and 2 inches on Raptor Supplies.
ATB Wood's HSH Form-Flex couplings are designed to transmit torque while compensating for angular, parallel and axial misalignment between two connected shafts. They minimise misalignment forces on the connected equipment and are widely used in cooling fan drive applications. These couplings are available with steel and composite spacer tubing that reduces total cost by eliminating the need for bearings and support structures. The brand's HSH Series Form-Flex couplings range from 1000 rpm to 3800 rpm. A wide range of these couplings (with bore length up to 11 inches) is available on Raptor Supplies.
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A| Style | Model | Outside Dia. | Total Length | Bore Size | Bore Size A | Bore Size B | Material | Grade | Screw Material | |
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| A | UPS-A012012N | RFQ
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| A | UPS-A012008N | RFQ
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| A | UPS-A008008N | RFQ
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| A | UPS-A100008N | RFQ
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| A | UPS-A100100N | RFQ
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| A | UPS-A100012N | RFQ
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B| Style | Model | MPN | Price (inc. VAT) | |
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| A | 0332-00025 | £202.78 | RFQ
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| B | 0332-00395 | £249.76 | RFQ
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A| Style | Model | Max. Bore | Hp Rating @ 100 Rpm | Max. Rpm | Dimension Hd | Overall Length | Min. Bore | Length Through Bore | Pin Location (dimension Sl) | Price (inc. VAT) | |
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| A | 68514441950 | £433.20 | |||||||||
| A | 68514413359 | £737.31 | |||||||||
| A | 68514444809 | £513.50 | |||||||||
| A | 68514413103 | £513.50 | |||||||||
| A | 68514450849 | £597.33 |
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F| Style | Model | MPN | Price (inc. VAT) | |
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| A | 0332-00031 | £125.57 | RFQ
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| B | 0332-00033 | £109.87 | RFQ
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| C | 0332-00037 | £299.34 | RFQ
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| D | 0332-00073 | £180.49 | RFQ
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| E | 0332-00074 | £243.29 | RFQ
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| F | 0332-00093 | £180.49 | RFQ
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A| Style | Model | Outside Dia. | Bore Size | Total Length | Keyway Size | Screw Size | Material | Type | Screw Material | Price (inc. VAT) | |
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| A | 5LM012012KPSC | £104.34 | RFQ
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| A | 5LM014014KPSC | £112.85 | RFQ
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| A | 5LM015015KPSC | £116.21 | RFQ
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| A | 5LM016016KPSC | £107.97 | RFQ
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| A | 5LM018018KPSC | £110.99 | RFQ
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| A | 5LM020020KPSC | £157.36 | RFQ
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| A | 5LM025025KPSC | £131.69 | RFQ
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| A | 5LM030030KPSC | - | RFQ
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| A | 5LM035035KPSC | - | RFQ
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| A | 5LM040040KPSC | £280.00 | RFQ
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| A | 5LM045045KPSC | - | RFQ
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A| Style | Model | Max. Bore | Hp Rating @ 100 Rpm | Max. Rpm | Dimension D | Dimension Hd | Min. Bore | Pin Location (dimension Sl) | Wind-up Angle At Max. Torque | Price (inc. VAT) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 68514413923 | £352.66 | |||||||||
| A | 68514413952 | £1,716.51 |
Hub City spline shafts are specially designed for transmitting high amount of torque force and rotation. These plain and involute splined shafts feature 1215 cold-rolled steel to deliver fair vibration damping and excellent chemical resistance. We also offer Hub City couplings in 1144 stress-proofed steel to connect and transmit torque between two rotating shafts. These couplers feature Kwik-D-Tach connection for safe and secure attachments.
OAL (overall length tolerance) refers to the allowable deviation from the nominal or desired length of the coupling. It helps to position and align the coupling on the shafts it is connecting.
Keyways are grooves or slots that are machined into the bore of the coupling hub and include a matching key that is installed in the keyway to connect the hub to the shaft. These keyways help transmit torque, ease installation and provide accurate alignment between the shaft and the coupling.
The choice of coupling depends on shaft misalignment, torque requirements, speed and environmental conditions.
Rigid couplings do not allow any angular or parallel misalignment between shafts. They provide a solid, backlash-free connection. In contrast, flexible couplings accommodate some degree of misalignment and are often used to dampen vibrations and shock loads in machinery.
External spline refers to the presence of the splines on the outside surface of a shaft, while internal spline refers to the splines inside a cylindrical bore.
Rigid couplings provide a solid connection with no flexibility, flexible couplings offer misalignment compensation, and fluid couplings use hydraulic principles for torque transmission and speed control.