031-030-01 - 25520 Inner Bearing Cup (Race)
Original price
$7.20
-
Original price
$7.20
Original price
$7.20
$7.20
-
$7.20
Current price
$7.20
The 031-030-01 – 25520 Inner Bearing Cup (also known as a bearing race) is the hardened steel mating surface for the 25580 inner bearing cone. Pressed into the trailer hub, this cup provides a smooth, durable running surface that allows the bearing to rotate evenly under load.
Commonly used on Larson Cable Trailers, this inner bearing cup is typically found in 8,000 lb trailer axle hub assemblies and other heavy-duty applications.
Specifications:
- Part Number: 031-030-01
- Bearing Number: 25520
- Component Type: Inner bearing cup (race)
- Outside Diameter (OD): 3.266 in
- Inside Diameter (ID): 2.717 in (bearing contact surface)
- Cup Width: 0.866 in
- Material: Hardened bearing steel
- Application: Inner wheel bearing race for trailer hubs
Fitment:
- Commonly used on 8,000 lb trailer axles
- Designed to pair with 25580 inner bearing cone
- Press-fit into compatible trailer hubs
- Verify hub bore diameter before installation
Notes:
- Bearing cup only bearing cone sold separately unless noted
- Always replace bearing cups when installing new bearings
- Proper press installation required to prevent hub damage
- OEM-style replacement component