you will need a press to push old bearing out and new one in, 10 tone ish,, unless you have tools to remove wheel n then drum ass and take to garage to save few quid,is easy job its only easy if got tools thow,torque rench,press,greas cap,circlip plyers,
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.