Frame - 2-1/2" deep x 1" flange x 12 gauge powder painted formed steel or 2-1/2" deep x 1" flange x 1/8" heat treated aluminum formed channels.
Cross Braces - Rugged cross members bolted between channels.
Rollers - 1 3/8” diameter x 18 gauge galvanized steel, or heat treated aluminum, tubing with swagged ends for a firm bearing seat.
Axles - 1/4" diameter cold drawn steel for Models 138SR and 138AR. 5/16" hex for Model 138SRH.
Couplings - Hook and rod connector.
Widths - 12", 15", 18" and 24" overall widths.
Lengths - Standard lengths are 5' and 10'.
Curves - Standard curves are 45° and 90°. The inside radius is 24".
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Item #

Material

Width

Length

Curves

Inside Radius

138SR N/A Steel N/A 12 in15 in18 in24 in N/A 5 ft10 ft N/A 45 º90 º N/A 24 in
138SRH N/A Steel N/A 12 in15 in18 in24 in N/A 5 ft10 ft N/A 45 º90 º N/A 24 in
138AR N/A Aluminum N/A 12 in15 in18 in24 in N/A 5 ft10 ft N/A 45 º90 º N/A 24 in
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