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Simonsen Outer Race: #1161-03

The 
Simonsen #1161-03
 is a hub seal (also known as a grease or wheel seal) designed for the heavy-duty 8-bolt hub assembly (1190-series) used on larger Simonsen fertilizer spreaders and tenders.

Product Overview
  • Application: It is the primary seal for the inboard side of 8-bolt hubs found on heavy-capacity equipment like the Simonsen KB Series truck spreaders and high-capacity SMC pull-type models.
  • Function: This seal prevents grease from leaking out of the inner bearing cavity and blocks abrasive fertilizer dust and moisture from entering, which protects the high-cost internal bearings.
  • Hub Compatibility: Specifically fits the 8-bolt hub system, often listed alongside the heavy-duty dust cap #1161-07.

Related 8-Bolt Hub Components
When performing a full hub service on this series, the #1161-03 seal is typically used with:
  • Inner Bearing Cone: #1192-02.
  • Inner Bearing Race (Cup): #1192-03.
  • Outer Bearing Cone: #1192-01.

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