Heavy-duty industrial pulley with hook for lifting, load capacity of 10 tons, robust metal construction.

Crosby J-452 Blocks

SKU: GRRR449 Category:

Product details

  • Steel sheave with flame hardened groove, for maximum wear under abrasive conditions.
  • Double row, permanently sealed tapered roller bearings.
  • Pressure lubrication throughout.
  • All steel construction.
  • Hot-dip galvanized.
  • Available in "J" oblong swivel eye and "F" standard swivel eye.

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J-452 Blocks

Sheave Dia. and Model No.Stock No.Working Load Limit (short Tons)Weight Each (lb)Sheave Dimensions (in)
Outside Diam.Rim Thickness
12" J-452
130673		1085123.75
8" J-452
130655		104883.75
16" F-452
130682		20116163.75
18" J-452
2015467		25300185.44
22" F-452
130708		30240223.75
Sheave Dia. and Model No.Stock No.Working Load Limit (t)Weight Each (kg)Sheave Dimensions (mm)
Outside Diam.Rim Thickness
12" J-452
130673		9.0738.630595.5
8" J-452
130655		9.0721.820395.5
16" F-452
130682		18.1453.040695.5
18" J-452
2015467		22.50136457138
22" F-452
130708		27.2210955995.5

Double Rig Trawl Blocks

4:1 Design Factor.

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