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HelloCustomer you are going to need the use of a press, if you cannot use a press or have no access to one, perhaps you can take your drive shaft to a shop and they can quickly remove and replace the centre support bearing at minimal cost, but anyhow here is the procedure to do so and please reply if you have any questions:
Center Bearing Removal Removal Procedure
Notice: Never clamp propeller shaft tubing in a vise. Clamping propeller shaft tubing in a vise could dent or deform the tube, causing an imbalance or unsafe condition. Always clamp on one end of the yokes and support the shaft horizontally.
Important: Prior to disassembly, mark the positions of the driveshaft components relative to the driveshaft tube. All components must be reassembled in the same relationship to maintain proper balance.
Sorry, about that, I believe you just pull it off, you may need the help of a prybar to get it off but here is some information on that, pay particular attention to step 13, but make sure you read it all before doing it:
Propeller Shaft Replacement Removal Procedure
Tighten Tighten the bolts to 25 N·m (19 lb ft).
Tighten Tighten the bolts to 50 N·m (37 lb ft).