Callout on Surface Finish

#1
On one of our drawings there is a call-out on the symbol in position c of SPBR. We are at a loss of what this abbrevation means

That part is a thin stamped part (0.15 mm)

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#3
Looks like they don't specify the surface finish...but call out only the method by which the SF is achieved? Doesn't make sense to me...
 
#4
We are tryng to figure out what the "SPBR" stands for that is in position C in the diagram I posted. That is not the drawing, i used that to clariry what I am trying to find out!
 
#6
You need to ask the customer.
It is not on the customer drawing...it is one a drawing made by our Japanese mother company..getting information from them is almost always difficult. I thought I would check here first as this is a great (and much more responsive) resource!
 
#8
The only SPBR I could identify was a specific type of liner bearing with a unique motion pattern. Is it possible that they are specifying that you use this linear bearing?
That's what I found..but in the application "a small stamp item - looks like a washer - that serves as a valve in a shock absorber ( what we call a damper) that answer didn't seem to make any sense!
 
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