Replacement Grease Seal Recommendation to Replace 20305 on Hub
Question:
Im replacing my hub seals. Pulled the old one out and it has National 203025 stamped on the back. Cant find a direct replacement so I came here. Inner diameter is 1.218, and outer looks like 2 inches. Closest I could find on your site was a 1.249 inner. So close, but not sure what the margin of error would be here. Will the 1.249 work?
asked by: Matt
Expert Reply:
Since the inner diameter of a grease seal is rubber it can be hard to get an exact figure. It sounds like the # 34823 would be close enough as a fit as it has an outer diameter of 1.983 and an inner diameter of 1.249 but your best option would be to measure the outer diameter of the spindle where the seal rides to get the exact figure.
Product Page this Question was Asked From
Double Lip Grease Seal - ID 1.249" / OD 1.983" - Qty 1
- Trailer Bearings Races Seals Caps
- Seals
- Grease Seals - Double Lip
- 1.249 Inch I.D.
- 1.983 Inch O.D.
- TruRyde
more information >
Featured Help Information
Miscellaneous Media
Continue Researching
- Article: Most Popular Wheel Bearings
- Q&A: Possible Bearing Buddy that Could Fit Hub with Seal 12194TC
- Q&A: Replacement Trailer Hub Seal for TCM 12194TC
- Article: Replacing the Bearing, Races and Seals on a Trailer Hub
- Q&A: How to Tell if Trailer has a BT8 or BTR Spindle Installed
- Q&A: What Is the Difference Between a BTR and BT8 Spindle
- Article: Parts Needed to Add Electric Drum Brakes to a Trailer
- Q&A: What is The Outer Diameter of The Dexter Trailer Idler Hub Assembly # 8-258BTUC1?
- Q&A: Replacement Grease Seal 4410275 For Shoreland'r Boat Trailer
- Q&A: Replacement Grease Seal for GS-1250DL
- Article: How to Measure Your Trailer Wheel Bolt Pattern
- Article: Tire TLC: How & When to Check Your RV/Trailer Tire Pressure
- Article: Trailer Tire Sizing
- Article: Trailer Wiring Diagrams