Material Types Applications Size Range
Nylon General Purpose ASR 40, 48, 60, 80, 120
Polyurethane Non-scratch, Good ASR 40, 60, 80, 120
Contact/Friction
Die-Cast Aluminium Heavy Duty ASR 80, 120
Roller Sizes (Nominal)
ASR 40 48 60 80 120
Roller Capacity (lbs) 15 25 50 100 225-500
GRAVITY TYPES:
Inch Diameter 1.5 1.9 2.3 3.15 4.7
Axle Bore .315 *.315 .315 .315 12mm or .625
Metric Diameter 40 48 60 80 120
Axle Bore (mm) 8 8 8 8 12 or 16
POWERED TYPES:
Axle Bore (hex) - - .375 .5625 .75 or .875
Axle Bore (hex) 9mm - 9mm 14mm 19 or 22mm
* Bushing for .25 available
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