Specs: 

• Outer diameter: 3.813"
  
• Matching inner bearing 387A (sold separately)

Your trailer axle bearings are designed to help your axle rotate smoothly as you drive down the road, and if you've noticed that things are starting to get a little bumpy, then it might be time to replace some old parts. This 9-10K trailer axle inner race is Dexter compatible, and its high-quality design makes it an ideal choice for your business. It's compatible with 8-lug axle hubs. If you have questions about this part or you're not sure it's the right option, then please contact us today. At The Trailer Parts Outlet, we're always here to help!

Features: 

• Works with 387A bearing
• Replacement race and bearing numbers are universal  
  
• This is an inner race for 9-10K 8 lug hubs