50mm DoubleSwivel Shackle, Becket Block
item NO.:BB-0504F-
Plain Bearing Blocks
Plain Bearing Blocks are engineered for lightweight, strength, and superior handling. We use stiff glass fiber reinforced nylon to provide metal-like strength, self-lubricant sheave reduces friction and increase efficiency to control the line and 316 stainless steel plain bearing to provide smooth rotation. Plain Bearing blocks give sailors easier power transfer and less wear on rope.
50mm Double Swivel Shackle, Becket Block
BP-0504F
USD$ 46.48
MATERIALS- Sheave: Self-lubricant acetal composite
- Ball Bearing: 316 stainless steel plain bearing
- Sideplates/frames: Reinforced glass fiber Nylon composite with UV stablized
- Shackle: Forged Grade 316 stainless steel / tool-free lever lock mechanism
APPLICATIONS- Mainsheet system
- Mast foot blocks and Mast head blocks
- Halyard tuning and vang
- Control lines on boats of all sizes
Do not use Master products for human suspension! -
SPECS
Sheave Ø (mm) 50 mm Sheave Ø (in) 2 in Maximum line Ø (mm) 8 mm Maximum line Ø (in) 5/16 in Weight (g) 134 g Weight (oz) 4.73 oz Maximum working load (kg) 1044 kg Maximum working load (lb) 2302 lb Maximum breaking load (kg) 1750 kg Maximum breaking load (lb) 3859 lb -