Replacement Bearings For A 2020 Grand Design Solitude 373FB
Updated 12/22/2025 | Published 10/08/2024
Products Featured in This Question
Question:
I have a 2020 Grand design Solitude 373FB with 16 “ tires. Do you know which Timkin inner and outer wheel bearings I would need to replace mine? Also I’m looking for a replacement rod and handle for the fresh water release on the underbelly.
asked by: Richard J
Expert Reply:
Hi Richard,
There unfortunately isn't a guide accessible to us to look up your bearings so you would need to either remove the hub and check the bearings to see if the part numbers on them are still legible or you can measure the spindle with a caliper # PTW80157 at points B, C, and D from the diagram below as well as the bore hole for the hub. With these measurements we can determine the bearing sizes/part numbers.
If your axle tag is still good and we can get a picture of it I could also try contacting the manufacturer for a build sheet for the axle and can see what bearings were used.
(click to enlarge)
Product Page this Question was Asked From
Timken Replacement Trailer Wheel Bearing - 25580
- Trailer Bearings Races Seals Caps
- Bearings
- Standard Bearings
- 1.75 Inch I.D.
- Bearing 25580
- Race 25520
- 10000 lbs Axle
- 6000 lbs Axle
- 7000 lbs Axle
- 8000 lbs Axle
- 9000 lbs Axle
- Timken
more information >
Continue Researching
- Search Results: tires
- Q&A: Replacement Grease Seal and Bearing Kit For a 2020 Grand Design Solitude 375RES With 7,000LB Axles
- Video: Spindle Nut Kit for EZ Lube Axles: The Breakdown
- Video: A Closer Look at the Bearing Kit, 14125A/ 25580 Bearings, 10-36 Seal
- Video: Review of etrailer Trailer Bearings Races Seals Caps - Bearing Kit - BK3-200
- Video: Review of etrailer Trailer Bearings Races Seals Caps - Bearing Kit - BK3-210
- Shop: Bearing Kit, 14125A/ 25580 Bearings, 10-36 Seal
- Shop: Bearing Kit, 14125A/25580 Bearings, GS-2125DL Seal
- Shop: Grease Seals 10-36 (pair)
- Shop: Spindle Nut Kit for EZ Lube Axles
- Shop: Grease Seal - Double Lip - 2.250" ID - 3.376" OD - GS-2250DL
- Search Results: timkin
- Search Results: trailer tires and wheels
- Search Results: axle dust caps
- Shop: Timken Bearing Kit, 15123/25580 Bearings, 15245/25520 Races, 413470 Seal
- Shop: Timken Replacement Trailer Wheel Bearing - L44649
- Shop: Trailer Hitch
- Article: Trailer Wiring Diagrams
- Q&A: Lug Nut Torque Chart for Trailer Wheels
- Video: Firestone Ride-Rite Air Bags with Easy Mount Compressor Feature Breakdown
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Shop: Trailer Wiring
- Search Results: trailer hitch
- Q&A: Installation Time for Blue Ox BX1128 Flat Tow Base Plate Kit for 2016 Jeep Grand Cherokee
- Shop: Suspension Enhancement
- Article: How to Measure Your Trailer Wheel Bolt Pattern
- Q&A: Best Suspension Upgrade for 33" Tandem Axles: Road Armor vs Dexter EZ Flex for Ember 22ETS
- Search Results: trailer wiring
- Article: How to Measure for Trailer Hitch Drop
- Shop: Brake Controller
on Trailer Bearings Races Seals Caps
Robin H.
12/22/2025
Hey Richard, did you get a chance to measure your spindle or check the bearing numbers on your Solitude’s hubs? Once you had those details, were you able to match the right Timken bearings? Knowing what worked could help others replacing theirs too.