Barton Size 4/5 Ball Bearing Double Block
$79.31 - $103.35
Barton Size 4/5 Ball Bearing Double Block Item # 1139442

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)
Part Numbers for Barton Size 4/5 Ball Bearing Double Block
PRODUCT OPTION | ITEM # | MFR. PRODUCT # | AVAILABILITY |
without Becket Fixed | 1139443 | N15210 | In Stock: Leaves Warehouse: 3 to 4 days |
with Becket Fixed | 1139444 | N15211 | In Stock: Leaves Warehouse: 3 to 4 days |
without Becket Reverse | 1139445 | N15220 | In Stock: Leaves Warehouse: 3 to 4 days |
with Becket Reverse | 1139446 | N15221 | In Stock: Leaves Warehouse: 3 to 4 days |
without Becket Swivel | 1139447 | N15230 | In Stock: Leaves Warehouse: 3 to 4 days |
with Becket Swivel | 1139448 | N15231 | In Stock: Leaves Warehouse: 3 to 4 days |