|ROLLERS: 3-1/2" x .300 steel tubing,
model 3530S, with straight ends, reamed to provide smooth bearing seats.
ROLLER CAPACITY: 2500 lbs. per roller.
AXLES: 1-1/16" hex with pinned shafts.
FRAMES: 5" at 6.7 lbs. structural steel painted channel.
||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; 16,000 lbs. at 5' centers.