Description
When you hear that grinding noise coming from your disc harrow or see wobbling blades that aren’t cutting properly, it’s usually the disc bearings crying for help. This NTN sealed disc bearing handles the tough job of keeping your discs spinning smoothly while dealing with dirt, moisture, and the constant vibration of field work. It’s built specifically for the square axles found on most tillage equipment.
What You’re Getting
- Factory-sealed design keeps dirt and moisture out so you’re not constantly regreasing
- 1-1/8 inch square bore fits standard disc harrow and cultivator axles perfectly
- 80mm outer diameter provides the load capacity needed for heavy tillage work
- NTN quality construction means this bearing will handle the punishment of rocky fields and tough residue
- Direct replacement that installs without modifications or special tools
Built for Real Farm Work
This bearing is a suitable alternative for several part numbers including JD9535 and JD9350, making it a versatile replacement for disc harrows, field cultivators, and other tillage equipment. Whether you’re working corn stubble in the fall or preparing seedbeds in the spring, this bearing handles the side loads and impacts that come with aggressive tillage work.
Made to Last
The sealed design is what sets this bearing apart from cheaper alternatives. Instead of worrying about pumping grease into fittings or dealing with contaminated bearings, this unit keeps lubrication in and contaminants out. The inner ring width of 1.438 inches and outer ring width of 0.709 inches are engineered to distribute loads properly across the bearing races.
Good to Know
Installation is straightforward – remove the old bearing and press in the new one. Clean the axle thoroughly before installation, and check for any wear grooves that might damage the new bearing. While you have the gang apart, inspect all bearings on that shaft since they typically wear at similar rates, and replacing just one often means you’ll be back under there next season.




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