ROLLERS: 3-1/2″ x.300 steel tubing, model 3530S, with straight ends, reamed to provide smooth bearing seats.
FRAMES: 5″ at 6.7 lbs. structural steel painted channel set low (extra charge for set low).
ROLLER CAPACITY: 2500 lbs. per roller.
AXLES: 1-1/16″ hex shaft, spring loaded.
BEARINGS: Removable type, heavy duty ball bearings, zinc plated, grease packed.
COUPLINGS: Butt type.
FRAME CAPACITY:6600 lbs. maximum distributed live load per 10′ section with supports at 10′ centers; 16000 lbs. at 5′ centers.