Manufacturer part #: 520
Technical Description
7 in
178 mm
1 1/8 in
29 mm
45 oz
1280 g
1 1/2 in
38.00 mm
1/2 in
12 mm
2 1/2 in
64 mm
7/8 in
22 mm
14000 lb
6349 kg
28000 lb
12698 kg
Manufacturer part #: 520
Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks.
Made of Hardkote-anodized, Teflon®-impregnated 6061-T6 aluminum, sheaves feature Torlon® rollers to carry high radial loads and carbon-black Delrin® balls to support sideloads and provide UV protection. Select sheaves based on load-carrying capability.
Installation requires clamping or securing inner race.
Use for: Mainsheets Spinnaker sheets Afterguy/foreguy Footblocks
Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks.
Made of Hardkote-anodized, Teflon®-impregnated 6061-T6 aluminum, sheaves feature Torlon® rollers to carry high radial loads and carbon-black Delrin® balls to support sideloads and provide UV protection. Select sheaves based on load-carrying capability.
Installation requires clamping or securing inner race.
Use for: