JR Clancy Universal Loft Block

• May be mounted upright or underhung
• May be supported by I-beams, grid wells, or Unistrut™
• Nylon or ASTM Class 30 grey iron sheaves
• 8″ (203 mm) blocks have 24″ (610 mm) base angles with a continuous pattern of holes and slots for universal mounting for a grip range up to 20″ (508 mm). Multi-line block base angles have a series of mounting holes.
• 8-Line blocks have the base angles turned in, requiring different upright and underhung models
• A clip package is available for single line blocks with a combination of J-bolts and clips for both underhung and upright mounting options
• Sealed precision ball bearings (Single line, 8″ [203 mm] nominal sheave only) or tapered roller bearings
• Side plates fully enclose sheave
• Five spacers between the side plates, three of which prevent cables from escaping the sheave grooves
• Pivot adapters (070-PIVOT) are available for single line 8″ (203 mm) blocks used in applications where the mounting surface is sloped
• Underhung loft blocks may need to be welded to loft beams after final alignment – consult the factory for specific information