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Allied-Locke "H" Class Mill Chain is an extremely strong, serviceable chain originally designed for heavy drives and transfer conveyor purposes in the forest products industry. It is also appropriate for many other industrial applications, especially for moderate duty in abrasive atmospheres.

The direction of travel for "H" Class Mill Chain is determined by the application. If used in a conveyor application, the direction should be with the open end first. If used as a drive chain, the closed end, or the end with the barrel, should be first.

Dimensions are given in inches.
H78 Plain Chain
Cottered Dimensions<!--H Class Cottered-->
Unit of Measure
1 

Item #

Pitch

Diameter of Pin (E)

Height of Sidebar (H)

Diameter of Barrel (H)

Max. Allowable Sprocket Face (A)

Bearing Length (X)

Max. Recommended Working Load

H60 N/A 2.308 N/A 0.312 N/A 0.75 N/A 0.75 N/A 0.75 N/A 1.50 N/A 1,560 lb
H74 N/A 2.609 N/A 0.375 N/A 1.00 N/A 0.88 N/A 1.00 N/A 1.66 N/A 1,850 lb
H78 N/A 2.609 N/A 0.500 N/A 1.12 N/A 0.88 N/A 1.12 N/A 1.88 N/A 2,810 lb
H79 N/A 2.609 N/A 0.500 N/A 1.12 N/A 0.88 N/A 1.12 N/A 1.88 N/A 2,810 lb
H82 N/A 3.075 N/A 0.562 N/A 1.25 N/A 1.22 N/A 1.25 N/A 2.12 N/A 3,580 lb
H87 N/A 4.000 N/A 0.625 N/A 1.38 N/A 1.38 N/A 1.50 N/A 2.38 N/A 4,450 lb
H124 N/A 4.000 N/A 0.750 N/A 1.56 N/A 1.44 N/A 1.62 N/A 2.75 N/A 6,180 lb
Unit of Measure
1