ROLLERS: 2-1/2″ x 11 ga. steel tubing, model 251S, with flanged type bearings pressed into stright ends.
FRAMES: Formed steel painted channel 4″ x 1-1/2″ x 7 ga. set high; 5″ x 1-1/2″ x 7 ga. set low.
ROLLER CAPACITY: 540 lbs. per roller.
BEARINGS: Precision ABEC bearings.
FRAME CAPACITY: 3400 lbs. maximum distributed live load per 10′ section with supports at 10′ centers; 7500 lbs. at 5′ centers.
COUPLINGS: Butt type.
AXLES: 11/16″ hex shaft, spring loaded.