Maytech motor bearring size

Hey guys have some 6374 maytechs from unikboards. I opened the motor to replace the bearrings and maintance. Front bearring is 698zz. Does someone know the size of the 2x smaller bearrings that sit in the back? I also contacet maytech.


do you have a good calliper? be easy enough to just measure them and type the dimensions into google. something should come up

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sadly not it broke :sweat_smile:. I just want to take the right ones so I better ask. There are so much different bearrings Iam not into that much :sweat_smile:

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I think I found out its 688.