Replacement Bearing UC204
Triple sealed bearing to fit 20mm shaft.
Fits Gemmasta GSP8 Sander Polisher, Vertical Cabbing Machine and some Gemmasta GMP8 grinders.
GMP8 machines (before the upgrade to 1 Inch Shafts) use a UC204 bearing with a 20mm ID. Some older Gemmasta grinders used a 3/4" ID bearing: UC204-12
Check your shaft size before ordering!
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