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Barton Size 4/5 Ball Bearing Triple Block
$119.52 - $211.60
Barton Size 4/5 Ball Bearing Triple Block Item # 1139449
Description
Barton Ball Bearing Blocks feature a unique super-low friction ball race system, comprising acetal sheaves and delrin ball bearings running on a large diameter centre boss. The Barton ball bearing design fits in more load-bearing balls, and consequently promotes extremely low friction performance, even under high loads.
Specifications:
- Sheave Size: 2 1/8" (54 mm)
- Sheave Type: Ball Bearing
- Maximum Rope Diameter: 1/2" (12 mm)
- Safe Working Load: 1,157 lbs (525 kg)
- Breaking Load: 3,300 lbs (1,500 kg)