Design, Manufacture and Installation of Theatrical Equipment Worldwide

Loft Blocks, Underhung - 19 Series

Underhung Loft Block
Underhung Loft Block
2CC-10819R

  • Underhung style, supported by a single structural beam
  • Nylon or ASTM Class 30 grey iron sheaves
  • Sealed precision ball bearings (Single line 8" nominal sheave only) or tapered roller bearings
  • 10 gauge side plates.
  • 3/4" drawbolt and steel clip allow a 4" grip adjustment to accommodate a range of beam sizes.
  • A minimum of three spacers between the side plates; to prevent cables from escaping the sheave grooves.

Ordering Information
Sheave
Diam.
Lines Bearingss Cast Iron
Prod. Code
RWL Wt. Nylon
Prod. Code
RWL Wt.
Cable Blocks
8-1/2" 1 17mm BB 2CC-10819R 500 lb 14 lb 2NC-10819R 500 lb 9 lb
8-1/2" 2 17mm BB 2CC-10819R 500 lb 14 lb 2NC-20819R 500 lb 10 lb
8-1/2" 1 17mm BB 3CC-10819R 500 lb 14 lb 2NC-10819R 500 lb 9 lb
8-1/2" 2 17mm BB 3CC-20819R 500 lb 14 lb 2NC-20819R 500 lb 10 lb
8-1/2" 4 1" TRB 3CC-40819R 1300 lb 34 lb 3NC-40819R 1300 lb 25 lb
12"* 8 1" TRB 3CC-80819R 1300 lb 44 lb 3NC-80819R 1300 lb 28 lb
12" Note A 1 1" TRB 3CC-11219R 700 lb 47 lb - - -
Cable Blocks (3/16" cable) - - - - - -
8-1/2" 1 17mm BB - - - 2NP-10819R 500 lb 9 lb
8-1/2" 1 17mm TRB - - - 3NP-10819R 500 lb 9 lb
8-1/2" 8 1" TRB - - - 3NP-80819R 1300 lb 28 lb
Rope Blocks
8" 1 17mm BB 2CR-10819R 500 lb 14 lb 2NR-10819R 700 lb 9 lb
8" 1 17mm TRB 3CR-10819R 500 lb 14 lb 3NR-10819R 700 lb 9 lb

*AVAILABLE FOR 1/4" OR 3/8" CABLE, SPECIFY."
 
19 Series blocks grip the bottom flanges of beams. Blocks have a 3/8" throat with a grip range of 4" - 9". Change the suffix from "R" to "U" for a 3/4" throat with a 4-1/8" - 10" grip range.
 
To add Idlers to 8" Underhung Blocks -- Change last letter to "I3" or "I6" to indicate 3 or 6 idler grooves.
 
RWL: RWL is maximum load that can be applied to a block which is in "like new" condition and has been properly installed, maintained and operated.
 
7041 Interstate Island Road | Syracuse, NY USA 13209-9713 | Phone: 315-451-3440 | Toll Free: 800-836-1885

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