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Description

400 Series Half Sided BlocksWork hardening manganese steel sheave maximize wire rope & sheave life. Equipped with tapered roller bearings for long life in higher line speed applications. Recessed sheave design prevents wire rope from binding between sheave and block side. Half side design for strength with minimized weight. Versatile draw pin allow for rapid reeving & exchange of attaching style. Rugged cast alloy steel sides for demanding environments. ASME B30. 26 1 compliant

Pin is secured with a jam nut & molly hole

Full sided design maximizes sheave protection and strength

Alloy sheave option offers same durability at a lower cost

Alloy steel pins

Individual Certificate of Conformance* with each link

Larger bale for strap connections and knock out pin for quick removal

& R4 equipped with tapered roller bearings for long life in higher line speed applications

Alloy steel sheaves are used on lightweight models 513A & 515A

and tempered

Typically used in forestry applications

Used for Logging / Skidding or Pulling Applications

Aluminum sheaves offer light weight option