6061-T6 aluminum tubing.
O.D. skim cut and polished.
O.D. to bore concentricity:
- Roll face to 28": 0.002" T.I.R.
- Roll face to 42": 0.003" T.I.R.
Taper over face width not to exceed 0.0005"/ft. length (0.002" min.).
Dynamically balanced to your line speed within ISO grade G6.3. Additional fee if over 750 F.P.M.
Special low drag ER style bearings for 3/4" diameter thru shaft.*
*See "Thru Shafts for Aluminum, Carbon Fiber, and Steel Dead Shaft Rollers" for shafting prices.
Dead shaft rollers have a fixed inner thru shaft which remains stationary while the roller body spins around it with bearings.
Epoch standard aluminum dead shaft idler rollers have a fixed central thru shaft (axle). Bearings allow the roller body to spin on the fixed shaft.
Epoch Idler Roller - Part Number: SA-2.5-1.0-RF-OS
Epoch Idler Roller - Part Number: SA-3.0-1.0-RF-OS