Depending on the vintage of your top edger saw collar, you might need a different bearing. Choose appropriately. You can find out the year of your mill based on it’s serial number. ###YY# the Y’s are the year (usually). Feel free to call if you need help. 503-666-5593

TIP: If your housing no longer holds the bearing securely (they are machined to take a press-fit) – this happens when the bearing has been replaced multiple times – try the green lock-tite for bearings.