ROLLERS: 1-3/8″ dia. x 18 ga. tubing available in heat treated alum. (model 138A) or galv. steel (model 138G); both with smooth swaged ends. Roller capacity is 35 lbs. for 138A; 50 lbs. for 138G.
AXLES: 1/4″ dia. galvanized steel shaft, spring loaded.
FRAMES: Formed heat treated aluminum channel 2-1/2″ x 1″ x 1/8″; formed galvanized steel channel 2-1/2″ x 1″ x 12 ga.
COUPLINGS: Hook and rod; hooks on one end and rod (“stud”) other end.
BEARINGS: Integral plain ball bearings, zinc plated, oiled.
FRAME CAPACITY: Aluminum 160 lbs. max. distributed live load per 10′ section or 750 lbs. per 5′ section; galv. steel 350 lbs. max. distributed live load per 10′ section, or 1300 lbs. per 5′ section.
CURVES: Double roller curves 24″ OAW models only.) Single roller curves(12″ & 18″ OAW models only.)