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SUMMIT Mill and Engineering Class Chain

These chains are widely used in a broad range of conveying, transmission, and elevating applications throughout the lumber, mining and chemical industries. Generally used for slow to moderate speed drives and conveyor applications. Attachments such as bullnose, U.H.M.W. Camelback and Trimmer lugs are common on these chains.

  Roller/Barrel   Link Plate  
Chain
No.
Pitch
P
Dia
R
Width
W
Pin Dia.
D
F T1 T2 Riveted
Pin A
Cottered
Pin B
Ave. Ult.
Strength
81-X 2.609 .906 1.062 .437 1.125 .156 .156 1.890 2.063 24,000 Lbs.
81-XH 2.609 .906 1.062 .437 1.264 .312 .219 2.323 2.496 34,000 Lbs.
81-XHH 2.609 .906 1.095 .437 1.264 .312 .312 2.638 2.787 42,000 Lbs.
WR-78 2.609 .875 1.125 .500 1.125 .250 .250 3.000 3.109 22,000 Lbs.

Malleable Transfer Chain

Chain Number Average Pitch Inches
P
Overall Riveted Width
A
Rivet Diameter

B
Chain Block Width
C
Barrel Diameter

D
Maximum Sprocket Width
E
Side Height

F
Overall Height

H
Minimum Ultimate Strength Pounds Approx. Weight Per Foot Pounds
H78 2.609 3.20 0.500 -- 0.87 1.12 -- 1.12 20,200 4.3
H78A
Rooftop
2.609 3.27 0.500 2.75 0.87 1.12 1.00 1.69 16,000 5.8
H78B
Camelback
2.609 3.27 0.500 2.75 0.87 1.12 1.00 1.69 16,000 6.3
H130
Rooftop
4.000 3.27 0.500 2.81 1.00 1.0 1.13 1.63 14,000 5.3
H138
Camelback
4.000 3.27 0.500 2.81 1.00 1.0 1.06 1.69 14,000 5.8
C55B 1.631 2.00 0.375 -- 0.72 0.69 0.75 1.25 10,000 3.3
C55D 1.631 2.00 0.375 -- 0.72 0.69 0.88 1.25 10,000 3.3

 

Lacey-Harmer Co   4270 NW Yeon Avenue   Portland, OR 97210   Phone: (800) 367-9992 or (503) 222-9992   Fax: (503) 222-0073