1. Outside stage diameters
are .050" under even inch.
I.E. 2.95",3.95" etc.
2. Identification numbers
stamped on steady rest
groove neat top of outside
tube.
3. Upper and lower bearings
made of nylon, nylon over
a metal core or phenolic.
4. Cast head nuts with
spanner wrench slots at
top.
5. Lower bearing has step to
accomodate 3/16 c/s snap
ring.
6. Uses .275" c/s packing