Description
When you’re dealing with a loose pulley or a wobbly shaft that’s causing vibration, it’s often a worn-out Woodruff key that’s the culprit. This small but mighty component locks pulleys, gears, and other components to shafts, preventing them from spinning independently when they should turn together. Without a proper key holding everything in place, you’ll get slippage, wear, and eventually costly damage to expensive parts.
What You’re Getting
- Standard 5/16 x 1-1/4 inch dimensions fit common tractor applications
- Semi-circular design sits in machined keyways for positive positioning
- Heat-treated steel construction resists wear and shearing under load
- Direct replacement for worn or damaged keys in PTO shafts and drive components
- Prevents component slippage that leads to premature wear and damage
Built for Real Farm Work
This key size is commonly found in PTO assemblies, hydraulic pump drives, and other power transmission components on farm tractors. Whether it’s keeping your PTO shaft connected to the transmission or locking a pulley to your hydraulic pump shaft, this key handles the torque and vibration that comes with heavy equipment operation.
Made to Last
Farm equipment generates serious torque, and Woodruff keys take the brunt of it. This key is manufactured from quality steel that’s heat-treated for strength and durability. The semi-circular shape distributes stress better than square keys, reducing the chance of keyway damage when things get tough.
Good to Know
Always replace both the key and inspect the keyway when doing repairs – a damaged keyway won’t hold even a new key properly. Clean out any metal shavings or debris before installing the new key. If you’re removing a broken key, use proper tools to avoid damaging the shaft or component. Keep a few spares on hand since these keys are easy to lose during disassembly.
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