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Search: Posts Made By: sweeks
Showing results 1 to 6 of 6
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Forum: Bicycle Mechanics
01-30-21, 08:00 AM
Replies: 49
Views: 22,290
Posted By sweeks

As there's (supposed to be) a little extra room...

As there's (supposed to be) a little extra room in the circle of balls, and the loading of the balls is at right angles to a circular line connecting the potential contact points, I like to imagine...
Forum: Bicycle Mechanics
03-30-18, 08:56 PM
Replies: 49
Views: 22,290
Posted By sweeks

Yet this sort of damage seems not to occur in...

Yet this sort of damage seems not to occur in bicycle bearings. I think it is because when the balls contact each other it is not with great pressure. Sliding friction is proportional to the "normal"...
Forum: Bicycle Mechanics
03-30-18, 04:09 PM
Replies: 49
Views: 22,290
Posted By sweeks

:thumb: Engineers also work with...

:thumb:


Engineers also work with manufacturing... caged bearings are faster to install than loose balls and also cost less. In some low-cost hubs, the speed of assembly and material costs may be...
Forum: Bicycle Mechanics
03-30-18, 12:27 PM
Replies: 49
Views: 22,290
Posted By sweeks

Grade 25 balls are higher quality than grade...

Grade 25 balls are higher quality than grade 300... I read that somewhere here.
Here's a reference 'cause I know you like them! :D
https://en.wikipedia.org/wiki/Ball_(bearing)
Steve
Forum: Bicycle Mechanics
03-30-18, 11:01 AM
Replies: 49
Views: 22,290
Posted By sweeks

Citation needed (see below). I can't speak for...

Citation needed (see below). I can't speak for Jobst, and can't ask him since he's dead. He's generally regarded as a credible source, though not completely without controversy.




Here are...
Forum: Bicycle Mechanics
03-29-18, 08:26 PM
Replies: 49
Views: 22,290
Posted By sweeks

I'll agree that caged bearings are easier to work...

I'll agree that caged bearings are easier to work with; that's one reason they are used in bicycle manufacture, where "time is money".

What is the source of your first statement? According to SMB...
Showing results 1 to 6 of 6


 
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