Description
When you’re hearing groaning noises from the front axle or feeling looseness in your steering, worn king pin bearings are usually the culprit. This tapered roller bearing is what keeps your front axle king pin assembly rotating smoothly while handling all the side loads and thrust forces that come with field work. It’s a critical part that keeps your tractor steering properly and safely while you’re plowing, cultivating, or pulling heavy implements.
What You’re Getting
- Precision-manufactured tapered design that handles both radial loads and thrust forces from turning with implements
- Hardened steel construction built to resist wear in dusty, dirty farm conditions
- Proper tolerances for smooth operation and long service life when maintained with quality grease
- Direct replacement that works with your existing king pin assembly without modifications
Built for Real Farm Work
This bearing fits the front axle king pin assemblies on a wide range of John Deere tractors from the utility 6J series up through the larger 7030 row-crop machines. Whether you’re running a loader, pulling a disc through rocky ground, or making tight turns with a cultivator, this bearing handles the punishment that comes with real farm work where steering precision matters most.
Made to Last
Farm equipment bearings take a beating from mud, dust, heavy loads, and constant vibration. This bearing uses quality steel construction with proper heat treatment to handle the demanding conditions of agricultural use. The tapered roller design distributes loads evenly and keeps things spinning smoothly through seasons of hard use.
Installation Notes
This is typically the inner bearing in a king pin bearing set, so you’ll want to inspect the outer bearing and seals while you’re in there. Always pack with high-quality wheel bearing grease and follow your service manual’s torque specs for proper preload. A little penetrating oil on the old king pin makes removal much easier.






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