Spline Shafts And Couplings
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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A| Style | Model | Rough Stock Bore | Max. Bore | Length through Bore | Outside Dia. | Overall Length | Rated Torque | Max. Shock Load | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| A | 68514426081 | €1,151.11 | RFQ | |||||||
| A | 68514426085 | €5,027.27 | RFQ |
A| Style | Model | Length | Coupling Size | Dimension BC | Max. Bore | Max. Speed | Max. Torque | Min. Bore | Pin Location (Dimension SL) | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 68514413923 | €363.03 | RFQ | ||||||||
| A | 68514413952 | €1,394.99 | RFQ |
AA5C/B5C Form Flex Couplings
TB Wood’s A5C / B5C Form-Flex couplings are spacer style couplings configured to minimise shaft separation. Two fully machined steel hubs & one flat block spacer are included in composite spacer Form-Flex couplings to eliminate the need for high maintenance center support bearings. These A5C / B5C Series couplings have a zero backlash design and offer elastomeric & gear coupling replacements without the need for lubrication. They can also be used in combination with floating shaft couplings and pillow block bearings to span long distances. Choose from a wide variety of these couplings, available in torque ratings ranging from 2200 to 34000 lb-inch on Raptor Supplies.
TB Wood’s A5C / B5C Form-Flex couplings are spacer style couplings configured to minimise shaft separation. Two fully machined steel hubs & one flat block spacer are included in composite spacer Form-Flex couplings to eliminate the need for high maintenance center support bearings. These A5C / B5C Series couplings have a zero backlash design and offer elastomeric & gear coupling replacements without the need for lubrication. They can also be used in combination with floating shaft couplings and pillow block bearings to span long distances. Choose from a wide variety of these couplings, available in torque ratings ranging from 2200 to 34000 lb-inch on Raptor Supplies.
A| Style | Model | Free End Float +/- | Angular Misalignment | Coupling Size | Max. Angular Misalignment | Max. Bore | Max. Dimension @ 1500 RPM | Max. Dimension @ 1800 RPM | Dimension A | |
|---|---|---|---|---|---|---|---|---|---|---|
| A | A5C20_2G | RFQ | ||||||||
| A | A5C20_2R | RFQ | ||||||||
| A | A5C25_2G | RFQ | ||||||||
| A | A5C25_2R | RFQ | ||||||||
| A | A5C30_3B | RFQ | ||||||||
| A | A5C30_3R | RFQ | ||||||||
| A | A5C35_6B | RFQ | ||||||||
| A | A5C35_4B | RFQ | ||||||||
| A | A5C35_8B | RFQ | ||||||||
| A | A5C35_8BL | RFQ | ||||||||
| A | A5C35_4R | RFQ | ||||||||
| A | A5C35_8R | RFQ | ||||||||
| A | A5C35_6R | RFQ | ||||||||
| A | A5C35_6BL | RFQ | ||||||||
| A | A5C40_4R | RFQ | ||||||||
| A | A5C40_4B | RFQ | ||||||||
| A | B5C58_8B | RFQ | ||||||||
| A | B5C58_8BL | RFQ | ||||||||
| A | B5C58_6R | RFQ | ||||||||
| A | B5C58_10B | RFQ | ||||||||
| A | B5C58_6X | RFQ | ||||||||
| A | B5C58_12B | RFQ | ||||||||
| A | B5C58_6B | RFQ | ||||||||
| A | B5C58_6BL | RFQ | ||||||||
| A | B5C58_8R | RFQ |
AA Form Flex Couplings
TB 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.
TB 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.
AAP Form Flex Couplings
TB 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.
TB 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.
AAY Form Flex Couplings
TB 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.
TB 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.
AFSH Form Flex Couplings
TB 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.
TB 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 | Dimension A | Adapter BCD | Adapter Bolting | Dimension B | Dimension D | Dimension F | Dimension G | Dimension H | |
|---|---|---|---|---|---|---|---|---|---|---|
| A | FSH31-10-HD | RFQ | ||||||||
| A | FSH31-12-HD | RFQ | ||||||||
| A | FSH31-22-HD | RFQ | ||||||||
| A | FSH31-20-SAE | RFQ | ||||||||
| A | FSH31-20-HD | RFQ | ||||||||
| A | FSH31-12-SAE | RFQ | ||||||||
| A | FSH31-10-SAE | RFQ | ||||||||
| A | FSH31-18-HD | RFQ | ||||||||
| A | FSH31-22-SAE | RFQ | ||||||||
| A | FSH31-18-SAE | RFQ | ||||||||
| A | FSH31-14-SAE | RFQ | ||||||||
| A | FSH31-14-HD | RFQ | ||||||||
| A | FSH35-22-HD | RFQ | ||||||||
| A | FSH35-20-HD | RFQ | ||||||||
| A | FSH35-14-HD | RFQ | ||||||||
| A | FSH35-12-HD | RFQ | ||||||||
| A | FSH35-12-SAE | RFQ | ||||||||
| A | FSH35-14-SAE | RFQ | ||||||||
| A | FSH35-18-HD | RFQ | ||||||||
| A | FSH35-18-SAE | RFQ | ||||||||
| A | FSH35-20-SAE | RFQ | ||||||||
| A | FSH35-22-SAE | RFQ | ||||||||
| A | FSH37-14-SAE | RFQ | ||||||||
| A | FSH37-14-HD | RFQ | ||||||||
| A | FSH37-20-SAE | RFQ |
GCF Form Flex Couplings
TB Wood's GCF Form-Flex couplings are designed to transmit torque while compensating for angular, parallel and axial misalignments between two connected shafts. These couplings are integrated with a flexible disc to minimise the misalignment errors and feature a high torsional stiffness for maintaining the structural integrity of the system.
TB Wood's GCF Form-Flex couplings are designed to transmit torque while compensating for angular, parallel and axial misalignments between two connected shafts. These couplings are integrated with a flexible disc to minimise the misalignment errors and feature a high torsional stiffness for maintaining the structural integrity of the system.
A| Style | Model | Dimension A | Adapter BCD | Adapter Bolting | Dimension B | Dimension C | Dimension D | Dimension G | Dimension P | |
|---|---|---|---|---|---|---|---|---|---|---|
| A | GCF340-31-18SAE | RFQ | ||||||||
| A | GCF340-31-20HD | RFQ | ||||||||
| A | GCF340-35-14SAE | RFQ | ||||||||
| A | GCF340-35-18HD | RFQ | ||||||||
| A | GCF340-35-20HD | RFQ | ||||||||
| A | GCF340-31-14SAE | RFQ | ||||||||
| A | GCF340-35-14HD | RFQ | ||||||||
| A | GCF340-35-20SAE | RFQ | ||||||||
| A | GCF340-31-12HD | RFQ | ||||||||
| A | GCF340-31-12SAE | RFQ | ||||||||
| A | GCF340-31-22SAE | RFQ | ||||||||
| A | GCF340-31-20SAE | RFQ | ||||||||
| A | GCF340-35-22HD | RFQ | ||||||||
| A | GCF340-35-22SAE | RFQ | ||||||||
| A | GCF340-35-12HD | RFQ | ||||||||
| A | GCF340-35-12SAE | RFQ | ||||||||
| A | GCF340-35-18SAE | RFQ | ||||||||
| A | GCF412-50-20HD | RFQ | ||||||||
| A | GCF412-42-26HD | RFQ | ||||||||
| A | GCF412-42-26SAE | RFQ | ||||||||
| A | GCF412-45-18HD | RFQ | ||||||||
| A | GCF412-50-22SAE | RFQ | ||||||||
| A | GCF412-45-28HD | RFQ | ||||||||
| A | GCF412-50-28SAE | RFQ | ||||||||
| A | GCF412-50-28HD | RFQ |
AAX Form Flex Couplings
TB 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.
TB 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.
ASignature Series, Two Piece Split Precision Sleeve Couplings
A
B
C
D
E
F
G
H| Style | Model | Total Length | Bore Size | Grade | Type | Keyway Size | Material | Outside Dia. | Screw Material | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 13L004004PSC | €116.70 | RFQ | ||||||||
| B | 13C005005 | - | RFQ | ||||||||
| B | 13C004004 | - | RFQ | ||||||||
| C | 13S004004PSC | - | RFQ | ||||||||
| C | 13S005005PSC | €126.21 | RFQ | ||||||||
| D | 13A004004PSC | €114.14 | RFQ | ||||||||
| A | 13L005005PSC | - | RFQ | ||||||||
| D | 13A005005PSC | €114.14 | RFQ | ||||||||
| E | 15C004004 | - | RFQ | ||||||||
| A | 13L006006PSC | €95.51 | RFQ | ||||||||
| F | 15L005005PSC | €79.23 | RFQ | ||||||||
| G | 15S004004PSC | - | RFQ | ||||||||
| E | 15C005005 | - | RFQ | ||||||||
| H | 15A004004PSC | - | RFQ | ||||||||
| G | 15S005005PSC | - | RFQ | ||||||||
| H | 15A005005PSC | - | RFQ | ||||||||
| C | 13S006006PSC | - | RFQ | ||||||||
| F | 15L004004PSC | €67.09 | RFQ | ||||||||
| B | 13C006006 | - | RFQ | ||||||||
| D | 13A006006PSC | €119.91 | RFQ | ||||||||
| A | 13L008008PSC | €90.32 | RFQ | ||||||||
| B | 13C007007 | - | RFQ | ||||||||
| A | 13L007007PSC | €73.31 | RFQ | ||||||||
| C | 13S007007PSC | €145.99 | RFQ | ||||||||
| C | 13S008008PSC | - | RFQ |
A| Style | Model | Bore Size | Bore Size A | Bore Size B | Outside Dia. | Total Length | |
|---|---|---|---|---|---|---|---|
| A | UPS-A100008P | RFQ | |||||
| A | UPS-A012008P | RFQ | |||||
| A | UPS-A100012P | RFQ | |||||
| A | UPS-A008008P | RFQ | |||||
| A | UPS-A012012P | RFQ | |||||
| A | UPS-A100100P | RFQ |
A| Style | Model | Bore Size | Item | Price | |
|---|---|---|---|---|---|
| A | 68514413872 | €517.44 | RFQ | ||
| A | 68514413870 | €517.44 | RFQ |
Solution Series, UPS Sliding Mounts
A
B| Style | Model | Inside Dia. | Outside Dia. | Total Length | |
|---|---|---|---|---|---|
| A | UPS-A008SM | RFQ | |||
| B | UPS-A008SMU | RFQ | |||
| B | UPS-A012SMU | RFQ | |||
| A | UPS-A012SM | RFQ | |||
| A | UPS-A100SM | RFQ | |||
| B | UPS-A100SMU | RFQ |
A| Style | Model | |
|---|---|---|
| A | 1302264104 | RFQ |
| A | 1302264056 | RFQ |
| A | 1302264102 | RFQ |
| A | 1302264066 | RFQ |
| A | 1302264055 | RFQ |
| A | 1302264080 | RFQ |
A| Style | Model | Max. Parallel Misalignment (In.) | Axial Misalignment (Δ Ka) | Bore Dia. | Max. Speed | Max. Torque | Min. Bore | Overall Length | Pin Location (Dimension SL) | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 68514444809 | €420.21 | RFQ | ||||||||
| A | 68514413103 | €420.21 | RFQ | ||||||||
| A | 68514441950 | €445.94 | RFQ | ||||||||
| A | 68514413359 | €517.44 | RFQ | ||||||||
| A | 68514450849 | €488.82 | RFQ |
A
A| Style | Model | Outside Dia. | Coupling Size | Dimension HD | Overall Length | Rated HP at 1,200 rpm | Rated HP at 1,800 rpm | Rated HP at 3,500 rpm (Standard Motor) | Rated HP at 875 rpm (Standard Motor) | |
|---|---|---|---|---|---|---|---|---|---|---|
| A | 68514426074 | RFQ | ||||||||
| A | 68514426076 | RFQ | ||||||||
| A | 68514455471 | RFQ | ||||||||
| A | 68514455474 | RFQ |
AASpline Shafts And Couplings
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.
Frequently Asked Questions
What is overall length tolerance?
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.
What is the purpose of keyways in Lovejoy couplings?
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.
How to maintain a spline coupling?
- Regular visual inspections are needed to identify any signs of wear or damage of the spline coupling, such as cracks and corrosion.
- Ensure the coupling is properly aligned to maintain smooth operation and prevent premature wear.
- Regularly lubricate the coupling to prevent wear and reduce friction.
- Ensure that spline couplings are not subjected to overload conditions, as this can cause permanent deformation and reduce the strength of the spline teeth.
How do I select the right type of shaft coupling for my application?
The choice of coupling depends on shaft misalignment, torque requirements, speed and environmental conditions.
What is the difference between rigid couplings and flexible couplings?
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.
How do I calculate the torque capacity of a spline shaft?
- To calculate the torque capacity of a spline shaft, you can use the formula:
- Torque (T) = Shaft Diameter (D) x Material Strength (S) x Safety Factor (SF)
What is the difference between external spline and internal spline configurations?
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.
How does rigid, flexible and fluid connection coupling differ from each other?
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.
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