Description
If you’ve been hearing grinding noises coming from your rear axle or feeling excessive play in the drive system, this critical bearing is likely what’s crying for help. When final drive bearings start to fail, they don’t just quit gradually—they can take out expensive planetary gears with them. This precision epicyclic bearing is designed specifically for inner half shaft applications where the loads are heaviest.
What You’re Getting
- Precision-machined 82.55mm bore and 125.413mm outer diameter for exact fit in your final drive housing
- Heavy-duty 25.40mm width provides substantial load-bearing surface to handle the extreme forces in planetary gear systems
- High-grade steel construction with proper heat treatment to resist wear under constant heavy loads
- Quality cage design maintains proper roller spacing, preventing skewing that leads to noise and vibration
- Direct replacement for worn bearings—no modifications needed
Built for Real Farm Work
This bearing serves crucial duty in final drives of workhorses like the Massey Ferguson 178 and 188, plus Ford tractors from the 3000 through 4610 series including Major and Super Major models. Whether your MF 188 is powering through heavy tillage work or your Ford 4000 is handling loader duties around the barn, this bearing ensures smooth power transmission from your transmission to the wheels where the rubber meets the ground.
Made to Last
Farm equipment bearings take a beating—constant rotation under heavy loads, dirt, moisture, and temperature swings that would destroy ordinary bearings. This replacement uses the same exacting specifications as the original, with precision grinding for smooth operation and materials that stand up to the punishment. Unlike worn bearings that cause noise, vibration, and sloppy final drive operation, this replacement restores the quiet, efficient power transfer your tractor was designed to deliver.
Installation Notes
This is a job that requires proper tools—use bearing pullers and installers to avoid damage during installation. Clean the housing thoroughly and inspect for wear while you’re in there. A good tip from the shop: epicyclic bearing noise often means you’ve already got some gear wear, so prompt replacement prevents the kind of expensive final drive damage that can sideline your tractor for weeks during busy season.
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