Do these include the race that goes inside the axle tube for the tapered bearings? Thanks!

• Please what is the length of these, from the flange face to the end of the spline thank you. fitment
• What is the diameter of the flange face? looking for axles for a rear disc set general
• Do these axles use the a20 style bearings? Do they come with the stock style four bolt retaining plate, or do I have to availability