Keyway
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 | 378484-25 | 378484-25 is a square keyway that measures .312 x .312 inches, making… Show more (+) 378484-25 is a square keyway that measures .312 x .312 inches, making it an exact dimensional replacement for various applications. This keyway is crucial for ensuring proper alignment and fit in driveline components, where precision is key. The square design allows for a secure fit, preventing slippage and maintaining the integrity of the assembly.When using the 378484-25 keyway, consider the following:Dimensions: .312 x .312 inchesType: SquareApplication: Suitable for various driveline components requiring precise fitmentNotes: Ensure compatibility with existing components before installationThis keyway is a reliable choice for technicians and builders looking to maintain the performance of their systems. Whether you’re replacing a worn-out part or building a new assembly, the 378484-25 keyway delivers the necessary precision to keep everything running smoothly. Always verify the dimensions and compatibility with your specific application to ensure optimal performance. Show less (-) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | 378484-25-1 | 378484-25 is a square keyway that measures .250 x .250 inches and… Show more (+) 378484-25 is a square keyway that measures .250 x .250 inches and has a length of 2 inches. This keyway is essential for applications where precise alignment and fit are crucial. It effectively replaces the 10-8 keyway, making it a reliable choice for various mechanical assemblies.When using the 378484-25, ensure that the fitment is correct to avoid any misalignment issues that could lead to premature wear or failure of connected components. This keyway is designed to handle the stresses of rotational forces, providing stability and durability in its application.Size: .250 x .250 inchesLength: 2 inchesPa Type: SquareReplaces: 10-8Ideal for precise alignment applicationsIn summary, the 378484-25 keyway is a straightforward yet vital component in many driveline assemblies. Its square design and accurate dimensions ensure that it fits securely within the designated slots, preventing any unwanted movement. Always verify compatibility with your specific application to maintain optimal performance. Show less (-) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | 378485-25 | 378485-25 is a square keyway that measures .250 x .250 inches with… Show more (+) 378485-25 is a square keyway that measures .250 x .250 inches with a length of 4 inches. This keyway is essential for applications requiring precise fit and alignment. It plays a critical role in ensuring that components work together smoothly without slippage or misalignment.When installing the 378485-25, ensure that the keyway fits snugly into its corresponding slot. A loose fit can lead to wear and potential failure of the assembly. This keyway is particularly useful in various mechanical applications where rotational forces are present, as it helps maintain the integrity of the connection between parts.Dimensions: .250 x .250 inchesLength: 4 inchesPa Type: SquareApplication: 378485-25Installation Tip: Ensure a snug fit to prevent slippageUsing the 378485-25 keyway can help avoid common issues associated with misalignment, such as increased wear on components and reduced efficiency. Always verify that the keyway is compatible with your specific application to ensure optimal performance. Show less (-) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Keyway (3) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | 378484-25 | 378484-25 is a square keyway that measures .312 x .312 inches, making… Show more (+) 378484-25 is a square keyway that measures .312 x .312 inches, making it an exact dimensional replacement for various applications. This keyway is crucial for ensuring proper alignment and fit in driveline components, where precision is key. The square design allows for a secure fit, preventing slippage and maintaining the integrity of the assembly.When using the 378484-25 keyway, consider the following:Dimensions: .312 x .312 inchesType: SquareApplication: Suitable for various driveline components requiring precise fitmentNotes: Ensure compatibility with existing components before installationThis keyway is a reliable choice for technicians and builders looking to maintain the performance of their systems. Whether you’re replacing a worn-out part or building a new assembly, the 378484-25 keyway delivers the necessary precision to keep everything running smoothly. Always verify the dimensions and compatibility with your specific application to ensure optimal performance. Show less (-) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | 378484-25-1 | 378484-25 is a square keyway that measures .250 x .250 inches and… Show more (+) 378484-25 is a square keyway that measures .250 x .250 inches and has a length of 2 inches. This keyway is essential for applications where precise alignment and fit are crucial. It effectively replaces the 10-8 keyway, making it a reliable choice for various mechanical assemblies.When using the 378484-25, ensure that the fitment is correct to avoid any misalignment issues that could lead to premature wear or failure of connected components. This keyway is designed to handle the stresses of rotational forces, providing stability and durability in its application.Size: .250 x .250 inchesLength: 2 inchesPa Type: SquareReplaces: 10-8Ideal for precise alignment applicationsIn summary, the 378484-25 keyway is a straightforward yet vital component in many driveline assemblies. Its square design and accurate dimensions ensure that it fits securely within the designated slots, preventing any unwanted movement. Always verify compatibility with your specific application to maintain optimal performance. Show less (-) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| | 378485-25 | 378485-25 is a square keyway that measures .250 x .250 inches with… Show more (+) 378485-25 is a square keyway that measures .250 x .250 inches with a length of 4 inches. This keyway is essential for applications requiring precise fit and alignment. It plays a critical role in ensuring that components work together smoothly without slippage or misalignment.When installing the 378485-25, ensure that the keyway fits snugly into its corresponding slot. A loose fit can lead to wear and potential failure of the assembly. This keyway is particularly useful in various mechanical applications where rotational forces are present, as it helps maintain the integrity of the connection between parts.Dimensions: .250 x .250 inchesLength: 4 inchesPa Type: SquareApplication: 378485-25Installation Tip: Ensure a snug fit to prevent slippageUsing the 378485-25 keyway can help avoid common issues associated with misalignment, such as increased wear on components and reduced efficiency. Always verify that the keyway is compatible with your specific application to ensure optimal performance. Show less (-) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Category Information
Splines get most of the attention in driveshaft torque transfer discussions, but keyway connections remain the correct design choice in a number of applications — particularly in PTO shafts, pump drives, and industrial equipment where the shaft-to-hub connection needs to be simple, serviceable, and positively driven without the precision grinding required for a splined fit. A keyway only works as intended when the key dimensions are correct for the groove — too loose and it fretts and shears, too tight and installation becomes destructive. We stock keyway components in the standard dimensions used across common driveshaft and power transmission applications, so the connection you’re building is going to hold.
