Selecting the appropriate bearing shield is crucial for ensuring longevity and reliability in your application. A common point of confusion arises between the 626-2RZ and 626-ZZ types. In this post, we break down their differences and provide a real-world example from our technical support team to guide your decision.
Recently, a customer approached us for support on a new transmission project. While the 626 series bearing was confirmed based on shaft size and pump speed, the choice between metal shields (ZZ) and rubber seals (2RZ) remained unclear due to specific operational conditions.
To resolve this, we provided a clear comparison of the two shielding options:
⓵ 626-ZZ (Metal Shield on Both Sides)
Features: Metal shields effectively block larger contaminants like...
