Extra Capacity

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MAXCO Chain Extra Capacity Roller Chains: Strength and Superior Resistance

Extra capacity roller chains deliver value by enabling equipment to carry more load (or absorb more shock) with fewer line failures and less overall downtime.

MAXCO Chain’s Double Capacity roller chains have twice as many link plates as standard single strand roller chains, making them twice as strong. They operate on standard single-strand sprockets with hardened teeth. Triple and Quad Capacity roller chains are available, but require special sprockets.

Extra capacity roller chains are mainly designed for high-load hoists, pull down and other tension linkage applications. They are stronger than Super Series roller chains and are available in both ANSI and British Standard sizes.

MAXCO Chain’s extra capacity roller chain provides insurance for heavy and shock-prone applications – enabling more load capacity, fewer failures, longer life, and lower overall cost of ownership.

Rated Working Load for Extra Capacity Roller Chains

The rated working load for extra capacity roller chains is related to the linear chain speed.

Chain Linear Chain Speed (feet per minute)
Size <10FPM 10-20 FPM 20-30 FPM 30-40 FPM 40-50 FPM 50-160 FPM
60DC 4,450 3,950 3,460 2,970 2,720 2,470
80DC 7,450 6,630 5,800 4,970 4,550 4,140
100DC 11,450 10,200 8,900 7,630 7,000 6,360
120DC 15,400 13,650 11,950 10,250 9,400 8,540
140DC 20,350 18,100 15,850 13,600 12,450 11,310
160DC 26,800 23,850 20,850 17,900 16,400 14,900
180DC 29,900 26,550 23,250 19,900 18,250 16,600
200DC 33,500 29,750 20,050 22,350 20,450 18,600
240DC 45,750 40,650 35,550 30,500 27,950 25,400

Roller Chain Dimensions Chart

Chain Dimensions Are Given In Inches
Chain
Number		 Pitch
P		 Inside Width
W		 Roller Diameter
R		 Pin Diameter
D		 Link Plate Thickness
T		 Link Plate Height
H		 Riv. Pin Length
Lr		 Cot. Pin Length
Lc		 Average Ultimate Strength
(Lbs)		 Average Chain Weight
(Lbs/Ft)
60DC 3/4 0.500 0.469 0.234 0.094 0.691 1.410 1.500 19,400 1.60
80DC 1 0.625 0.625 0.312 0.125 0.921 1.800 1.920 35,200 1.74
100DC 1 1/4 0.750 0.750 0.375 0.156 1.154 2.200 2.340 52,800 2.72
120DC 1 1/2 1.000 0.875 0.437 0.187 1.382 2.720 2.890 75,000 4.02
140DC 1 3/4 1.000 1.000 0.500 0.219 1.610 3.010 3.200 97,000 5.22
160DC 2 1.250 1.125 0.562 0.250 1.839 3.550 3.750 123,400 6.93
180DC 2 1/4 1.406 1.406 0.687 0.281 2.067 4.000 4.240 158,800 9.50
200DC 2 1/2 1.500 1.562 0.781 0.312 2.354 4.380 4.730 202,000 12.13
240DC 3 1.875 1.875 0.937 0.375 2.768 5.340 5.640 304,000 17.21