• UDT 522-4474 Shackle STS Pulley Single
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UDT 522-4474 Shackle STS Pulley Single

UDT 522-4474 Shackle STS Pulley Single

UDT 522-4474 Shackle STS Pulley Single is a single-sheave pulley block designed for guided wire and chain lifting applications, sourced direct from Korea.

Key features

  • Rigging crews and material handlers rely on this type of pulley to redirect load lines, reduce pulling effort, and maintain controlled movement of heavy loads in construction, shipyard, and industrial lifting setups
522-4474 20mm | Spec: 20 | Weight: 0.06 | L: 57.15 | A: 19.05 | C: 4.76 | D: 11.11 | Allowable Load: 0.09 | E: 10.16 | B: 6.35
522-4483 25mm | Spec: 25 | Weight: 0.1 | L: 82.55 | A: 25.40 | C: 7.94 | D: 17.46 | Allowable Load: 0.24 | E: 14.73 | B: 6.35
522-4492 32mm | Spec: 32 | Weight: 0.15 | L: 96.25 | A: 31.75 | C: 7.94 | D: 17.46 | Allowable Load: 0.27 | E: 15.75 | B: 7.94
522-4508 50mm | Spec: 50 | Weight: 0.34 | L: 127 | A: 50.80 | C: 9.52 | D: 20.64 | Allowable Load: 0.45 | E: 20.83 | B: 9.52
Chains & WiresUDT
4 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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UDT 522-4474 Shackle STS Pulley Single

Brand UDT·Chains & Wires

Available part numbers (4)

522-4474, 522-4483, 522-4492, 522-4508

How to order

Send the UDT part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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RFQ List (0)
Product codeSpec
522-447420mm | Spec: 20 | Weight: 0.06 | L: 57.15 | A: 19.05 | C: 4.76 | D: 11.11 | Allowable Load: 0.09 | E: 10.16 | B: 6.35
522-448325mm | Spec: 25 | Weight: 0.1 | L: 82.55 | A: 25.40 | C: 7.94 | D: 17.46 | Allowable Load: 0.24 | E: 14.73 | B: 6.35
522-449232mm | Spec: 32 | Weight: 0.15 | L: 96.25 | A: 31.75 | C: 7.94 | D: 17.46 | Allowable Load: 0.27 | E: 15.75 | B: 7.94
522-450850mm | Spec: 50 | Weight: 0.34 | L: 127 | A: 50.80 | C: 9.52 | D: 20.64 | Allowable Load: 0.45 | E: 20.83 | B: 9.52

Need a different model, or a part not listed here? Send us your parts list →

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