Assuming it's a drum brake setup-
If it won't come out of hub use a slide hammer onto one of the studs.
If the inner ring of the bearing jams on and you can't pull it, there are a couple of options:
Method 1. carefully use an angle grinder to thin the ring down within 1 mm of the shaft, then hit the ring with a hammer & chisel- it will stretch or split.
Method 2. Run a bead of weld around the bearing inner ring, this will heat it heaps and it will fall off if you help it.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.
