8 3/4 rearend need help

I have a 8 3/4 rearend, need to replace seals and bearings. dont know what its out of and having hard time getting parts. its 56 inches. case is 2070741. the axle seals # 2404215 and the timken bearing is m201011. can anyone give me a idea of what vehicle I can use to get parts for this. it has 11 inch x 2 inch brake shoes.