Barton Ball Bearing Upright Double Block

The lightweight modern design is available in variations that allow for a multitude of uses on every size craft.

Specifications:

• Bearing Type: Ball Bearing
• Size 1:
  • Sheave size: 1 3/16" (30 mm)
  • Max Rope Diameter: 5/16" (8 mm)
  • Breaking Load: 1,565 lbs (710 kg)
  • Safe Working Load: 540 lbs (245 kg)
  • Length: 2 3/32" (53 mm)
• Size 2:
  • Sheave Size: 1 3/8" (35 mm)
  • Max Rope Diameter: 5/16" (8 mm)
  • Safe Working Load: 573 lbs (260 kg)
  • Breaking Load: 1,631 lbs (740 kg)
  • Length: 2 1/2" (63 mm)
• Size 3:
  • Sheave Size: 1 3/4" (45 mm)
  • Maximum Rope Diameter: 3/8" (10 mm)
  • Safe Working Load: 595 lbs (270 kg)
  • Breaking Load: 1,763 lbs (800 kg)
  • Length: 3" (75 mm)
• Size 4/5:
  • Sheave Size: 2 1/8" (54 mm)
  • Maximum Rope Diameter: 1/2" (12 mm)
  • Safe Working Load: 1,157 lbs (525 kg)
  • Breaking Load: 3,300 lbs (1,500 kg)
  • Length: 3 5/8" (92 mm)