Description
When you start hearing that grinding noise from a wheel bearing or feel play in a shaft that should be running smooth, you’re looking at trouble that can stop your whole operation. A worn bearing cone can lead to seized wheels, damaged shafts, or worse—a breakdown in the middle of harvest when every hour counts. This Timken HM89446 bearing cone gives you the precision fit and durability you need to keep your equipment rolling reliably through long farming seasons.
What You’re Getting
- Precise 1-3/8 inch bore that fits your shaft without modifications or guesswork
- 1.125 inch width designed to handle the combined radial and thrust loads that farm equipment dishes out daily
- Quality steel construction with proper heat treatment to resist wear and maintain tight tolerances
- Timken engineering that’s been proven in agricultural conditions for over a century
- Standard tolerance design that ensures smooth operation when paired with the proper cup
Built for Real Farm Work
This tapered roller bearing cone serves in wheel assemblies, implement drive systems, and other rotating applications across a wide range of agricultural equipment. Whether you’re dealing with utility tractors handling loader work, row-crop machines pulling heavy implements, or specialty equipment for livestock operations, this cone handles the punishment that comes with constant field use and heavy loads.
Made to Last
Farm equipment faces conditions that would destroy ordinary bearings—mud, dust, moisture, temperature swings, and heavy shock loads from field operations. Timken has been making bearings for farm equipment since before your granddad was farming, and they know what it takes to survive in agricultural conditions. The steel is properly hardened to resist wear, and the precision manufacturing means it’ll run true even when things get dusty and dirty.
Installation Notes
This is just the inner cone—you’ll need the matching cup that presses into your hub. Make sure to pack the bearing properly with grease before installation, and check that your hub races aren’t worn or pitted. A little extra time on the bearing service will save you a breakdown later when you can’t afford the downtime.






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