Steinway Accelerated balance rail bearings

[Jerry Cohen]

The Steinway accelerated balance rail bearings have always had a black line
to indicated the front side. But what makes it the front side (besides the
black line)?

 

I just ordered a set of bearings from Steinway, and 84 of them have a black
line, and the other 16 have no line (100 in a set). I need to figure out
which is the front side for a least 4 pieces. The hole seems to be slightly
shifted to the front on most of the pieces, but this is not true in all
cases. 

 

Please help.

 

Thanks.

 

Jerry Cohen RPT

NJ Chapter

 

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