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Western 21 Regular Wood Blocks for Manila Rope

Western 21 Regular Wood Blocks for Manila Rope

  • Description
  • Specifications

Description

  • Laser cut side plates
  • Grade 5 bolts secured with lock washers and staked nuts.
  • Bronze bushed sheaves with larger bearing diameter for extended block life.
  • Beckets furnished on all blocks.
  • For reeving information.
  • Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these blocks meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.

Specifications

Block Size (in.) Fitting Single Sheave 21 B Stock No.
4 HS 603831
5 HS 603859
6 HS 603877
8 HS 603911
4 N 606437
5 N 606455
6 N 606473
8 N 606516
4 S 610039
5 S 610057
6 S 610075
8 S 610119
Block Size (in.) Sheave Dimensions (in.) Manila Rope Size (in.) Working Load Limit (lbs.)* Weight Each (lbs.)
Outside Diam. Rim Thickness Center Pin Diam.
4 2.25 .63 .38 1/2 1000 1.75
5 3.00 .75 .38 5/8 1200 3.25
6 3.50 1.00 .50 3/4 1800 5.00
8 4.75 1.13 .63 7/8 - 1 2800 13.00

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