You might need to use a bearing puller, but it should slide off.
You can soak it in a citrus based cleaner to clean the bit, without damaging the bearings. Just be sure to clean out the bearing and lubricate it before using it.
You can soak it in a citrus based cleaner to clean the bit, without damaging the bearings. Just be sure to clean out the bearing and lubricate it before using it.