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Harken 57mm Black Magic Single Pulley - Low-Load, Swivel

Item #

IN3226

Product Description

Harken 57mm Black Magic Single Pulley - Low-Load, Swivel

With high strength-to-weight ratios and free-rolling, high-load roller bearings, Black Magic Air pulleys handle high dynamic and static loads where friction is an issue. Pulley shackle locks in two directions or swivels to keep rope from twisting. The low-load Black Magic pulley has red isolators. It uses Torlon® roller bearings and a 316 stainless steel headpost. Standard Black Magic pulleys have 17-4 PH stainless headposts. The simple construction requires no lubrication. Simply flush with fresh water to keep bearings free rolling. CE certified. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.

Features:

- Pulley shackle locks in two directions or swivels to keep rope from twisting.

- Center cage keeps Torlon® roller bearings separated and parallel to reduce friction. Captive Delrin® ball bearings carry side loads.

- The low-load Black Magic pulley has red isolators. It uses Torlon® roller bearings and a 316 stainless steel headpost. Standard Black Magic pulleys have 17-4 PH stainless headposts.


Specifications:

  • Sheave Diameter: 2 1/4 in. (57 mm)

  • Length: 4 11/16 in. (119 mm)

  • Shackle Pin Diameter: 1/4 in. (6 mm)

  • Weight: 0.34 lb. (154 g)

  • Maximum Line Ø: 7/16 in. (12 mm)

  • Maximum Rated Load : 1,124 lb (5 kN)

  • Downloads:

    Click here for Product Manual

    Click here for Product Data Sheet

    CE certified to EN13157 for hand-operated lifting equipment.