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|Inside Diameter:||1.5625 in|
|Outside Diameter:||3.1483 in|
|Stand Out:||0.1626 in|
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Q:Is this inner or outer bearing?
A:Hi Hawk, the National Oil Seal (Part No. A-20) is a outer bearing. For any further assistance, please feel free to call us at: 1-877-238-2623 or visit the nearest Advance Auto Parts store and one of our Parts Pros will gladly assist you with any questions or concerns you may have.
Q:DOES THE SEAL COME WITH THIS BEARING
A:I do not believe so.
A:It appears the A20 version does not come with a seal, even thought the SET20 version does. Not sure why this is, since they have the same application.