|ROLLERS: 2-1/2" x 11 ga. steel tubing, model 251S, with flanged type bearings pressed into straight ends.
ROLLER CAPACITY: 540 lbs. per roller.
BEARINGS: Removable type, heavy duty ball bearings, zinc plated, grease packed.
FRAMES: 4" at 5.4 lbs. structural steel painted channel.
||FRAME CAPACITY: 3750 lbs. maximum distributed live load per 10' section with supports at 10'
ctrs; 8000 lbs. at 5' ctrs.
COUPLINGS: Butt type.
AXLES: 11/16" hex shaft, spring loaded.