JM205110 Tapered Roller Bearing Outer Cup 3.54″ (Outer) x 0.91″ (Width)
You will find that the roller bearing is crafted from chrome steel, which seems like it will hold up well.
[1-Pack] JM205110 Tapered Roller Bearing Outer Cup 3.54″ (Outer) x 0.91″ (Width)
These ball and roller bearings carry the QJZ brand, and they seem well made for daily use.