Quote:
Originally Posted by fergus180
i have a feeling that is there to hold the bearing in instead of a collar clamp and longer amount of (heavy) hex it also makes it much easier to to pull out the hex shaft and replace the wooden roller
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You're probably right, I just didn't expect it (and so many?) when they already have a bolt and washer holding the bearing in. Is there a reason to also add bolts around the bearing to hold it more securely?