Used in J-Guide / T-Bar guided systems to hold counterweight that balances the batten load.
Arbor tops are fabricated from 1/2" steel, and contain an 8-1/2" diameter ASTM A48 grey iron sheave with equal pitch diameter rope and cable grooves, tapered roller bearings, and 7 gauge side plates.
Arbor bottoms contain an 8" diameter ASTM A48 grey iron sheave grooved for 3/4" rope, with sealed precision ball bearings and 10 gauge side plates
Two 3/4" steel arbor rods have three nuts at top and bottom.
Each rod has a retaining collar with a thumbscrew incorporating an easy to grip plastic knob.
Front collar is welded to top spreader plate for additional security.
12 gauge steel spreader plate every two feet (minimum 2). Labels on the back bar show safety information and proper location for spreader plates.
3/8"x 3" steel back bar, with two guide assemblies.
Standard polypropylene guide shoes allow for on site adjustment for 6" or 8" set centers; other shoe types and centers are available.
Arbors are provided with easy to read, self adhesive set numbers.