3" or 4" sheaves. 6 solid rivets. Zinc plated. 3/8" bore. Maximum cable: 3/16" on the 3" or 1/4" on the 4". Rating for 3": 100 lbs. load; 10,000 8' door cycles
Rating for 4": 200 lbs. load; 35,000 12' door cycles
PU551 ...3"
PU555 ...4"
Sheave Pulley Kits
#PU559
Kit includes: pulley, strap and fastener.
If you require further assistance, or cannot find the part you are looking for,
please call our parts department at 1-800-277-3667.
