83mm OD Half-Moon/Alum. Sheave


  • Sheave Dia. 3-1/4" (83 mm)
  • Max Line 3/4" (19 mm)
  • L 5-1/2" (140 mm)
  • W 1-5/8" (41 mm)
  • H 5-7/32" (140 mm)
  • Bearing Height 2-3/32" (54 mm)
  • SWL 5000 lbs. (2270 kg)
  • Weight 2 lbs. 2 oz. (964 g)

SKU: SC32-33-UC

$2,326.25
Backorder Available

32-33-UC half-moon lead block. Stainless steel cage and slider ensure high safe working load. Aluminum sheave runs on Nomex(tm) bearing with Torlon(tm) ball bearings for a low-friction sheave and high safe working load. Center pin adjustment prevents snagging and accidental release. SS Springs keep block upright while allowing up to a 45 degree articulation to both sides.

  • Track Size 1-1/4" x 3/16" (32 mm x 5 mm)
  • Up to boat size 44'  (11.5m)
  • Displacement 18,000 lbs  (8182 kg)
  • Sail Area 715 sq. ft. (66 m2),

SKU: SC32-33-UC

  • Sheave Dia. 3-1/4" (83 mm)
  • Max Line 3/4" (19 mm)
  • L 5-1/2" (140 mm)
  • W 1-5/8" (41 mm)
  • H 5-7/32" (140 mm)
  • Bearing Height 2-3/32" (54 mm)
  • SWL 5000 lbs. (2270 kg)
  • Weight 2 lbs. 2 oz. (964 g)
SKU SC32-33-UC
Brand Schaefer Marine

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