whats up guys

after my last ride i was hearing a little odd noise , after stopping and lifting the rearend while my buddy wiggle each back wheel they both have a lot a play in them. so im going to order new bearings and seals. thats my question , i wanna order once and dont kno exactly what to order , i searched and found the rear bearings and seals for around $50 but according to the pics some look like they have different seals and bearings .. can anyone tell me how many bearings and seals there should be or give me a link at where to order em. id sure appreciate it..