A Bobcat loader wheel that wobbles, grinds, or feels loose is a sign the axle bearings and seals have worn out. Left unaddressed, this can progress to more serious axle damage — so it's worth catching early.
What causes wheel wobble or grinding
- Worn axle bearings — loss of precision in the bearing race causes play and wobble
- Failed seals — once seals fail, contamination and moisture accelerate bearing wear, compounding the problem
- Loose wheel hardware — always worth checking first since it's the simplest fix
- Axle damage — in advanced cases, prolonged bearing wear can damage the axle itself
How to tell it's the bearings
Grinding or growling noise that changes pitch with wheel speed, combined with visible wheel wobble when jacked up and spun by hand, points strongly to worn bearings. Grease or fluid contamination around the hub is a sign the seals have already failed.
What a bearing and seal kit fixes
Replacing bearings and seals together restores smooth, quiet wheel rotation and prevents the wear from progressing to more expensive axle damage.
Get the part
We stock the axle bearing and seal kit for Bobcat loaders, compatible with models 843, 853, 863, 873, 883, S220, S250, S300, S330, S630, S650, S740, and S750. View the Bobcat axle bearing and seal kit →