What is the difference between Gimbal Bearing 30-60794A4 and Gimbal Bearing 30-862540A3?

Other than 20 bucks?

Can the same oil seal be used with both?

ALSO - I am replacing both bearings and carriers since I have the assemblies off and they are easy to get to, is there any reason to replace the oil seals for peace of mind or should I just pass on that?

Thanks,

Eric