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Steel double pulley block, upright bolt-on mount, two sheaves

Peerless Industries, Inc.

Peerless Industries, Inc. 3-120-26-86 Double Pulley Block

SKU CH-X3J3-ATC98

Double pulley block for lifting or pulling with wire rope up to 1/4 in, featuring two steel sheaves and bolt-on upright mounting

  • TypeAngle, Pitch & Slope Locators
  • Double pulley block handles wire rope up to 1/4 in diameter
  • Steel sheaves and housing resist wear during lifting and pulling tasks
  • Upright bolt-on mount fits 7/32 in holes for secure installation
  • Two grooves guide cable smoothly with 2 17/32 in sheave bore
  • Sleeve bearing design provides reliable operation under load

Double Pulley Block for Wire Rope

The Peerless Industries 3-120-26-86 is a double pulley block designed for lifting and pulling applications with wire rope. It accepts a maximum cable size of 1/4 in and mounts upright via a bolt-on attachment. The unit features two steel sheaves housed in a steel body. It suits rigging setups requiring a fixed mechanical advantage point.

Thermals Noise and Power Draw

This hand tool operates without a motor, power supply or active cooling, so it produces no noise and draws no electrical power during use. Heat generation is limited to friction at the sleeve bearings inside the steel sheaves. Normal operation remains silent and thermally neutral for the surrounding structure.

Build Fit and Clearance

The block mounts through a 7/32 in diameter hole and requires a compatible 1/4 in wire rope for the 3 1/4 in outside diameter sheaves. Each sheave has an inside diameter of 2 17/32 in and a depth of 17/32 in. The upright mount and bolt-on design free up flexible rigging points but the working load limit is not rated by the manufacturer.

Highlights

  • Double pulley block handles wire rope up to 1/4 in diameter
  • Steel sheaves and housing resist wear during lifting and pulling tasks
  • Upright bolt-on mount fits 7/32 in holes for secure installation
  • Two grooves guide cable smoothly with 2 17/32 in sheave bore
  • Sleeve bearing design provides reliable operation under load

Specifications

BrandPeerless
TypeAngle, Pitch & Slope Locators

Questions about this item

How do I bolt on the 7/32 in mounting holes without misaligning the sheaves?

Drill matching 7/32 in holes in the support, insert grade-5 bolts with flat washers, torque to spec, then rotate both sheaves by hand to confirm free movement before applying any load.

When should I replace the sleeve bearings in the 2 17/32 in sheaves?

Replace when axial play exceeds a visible gap or the sheaves emit a gritty feel under hand rotation — typically after heavy daily use or if contamination enters the 17/32 in deep grooves.

What is the first limit reached when pulling 1/4 in wire rope continuously?

The unrated working load limit means the steel housing or sleeve bearings will yield before the rope breaks; monitor for housing distortion or bearing overheating as the primary stop point.

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