Just been trying (and I stress trying!!!) to do some machining
owch!
you need to hassle your gaffer to let you do a nip n tuck on that lath

it might cut alli a bit better than that (fingers crossed)

what outside diameter are you going for on your bearing housing ?
i went for 43mm so that if it all didnt work out with my brushless spindles i could just drop a kress into the 43mm clamp..... its worth doing some research because if i was starting again i think would go slightly larger than 43mm to avoid an issue whereby the brushless motor mounting screws (on the larger motor) clash with the 43mm di making it a bitch to simply drill all the way through or cut a flange to mount the housing to the motor (i think the 10mm shafted motor mounting screws are 22mm from the centre)

its worth thinking about because if i had gone 50mm as a standard for all my spindles life might have been a little more simple

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i ended up turning the 50mm one down to 43mm to match the other two