Hey Grumpy,
Thanks for the reply. You have pretty much confirmed what I already thought to be the case; yes it has the potential to cause an issue with the quality of cut, but it is rather dependent on how affected the rear roller is.
Without having immediate access to a dial indicator and just using various tools around the house I would best estimate the rear roller would cause the bed-knife to have around 0.5-1mm of movement away from zero as it rotates. I used a straight edge and various drill bits of known diameter to come to this gestimation. I guess my thought process was if I was cutting at 10mm, a 1mm tolerance equates to a 10% movement of the bed-knife away from center.
Might be a case of suck it and see I think
