ANSI STANDARD ROLLER CHAIN
SFR  Pitch x Width  Ultimate tensile  Approx Weight
CHAIN NO. (ANSI)  P x W  Strength kn  kg/m
 inch  m/m    
25  1/4" x 1/8 "  6.35 x 3.18  3.50  0.15
35  3/8" x 3/16"  9.525 x 4.78  7.90  0.33
40  1/2" x 5/16"  12.70 x 7.95  14.1  0.62
41  1/2" x 1/4"  12.70 x 6.35  6.67  0.41
50  5/8" x 3/8"  15.875 x 9.53  22.2  1.02
60  3/4' x 1/2"  19.05 x 12.70  31.8  1.50
80  1" x 5/8"  25.40 x 15.88  56.7  2.60
100  1-1/4" x 3/4"  31.75 x 19.05  88.50  3.91
120  1-1/2" x 1"  38.10 x 25.4  127.0  5.62
140  1-3/4" x 1"  44.45 x 25.40  172.4  7.50
160  2"x1-1/4"  50.8 x 31.75  226.80  10.10
180  N/A  N/A  N/A  N/A
200  N/A  N/A  N/A  N/A
240  N/A  N/A  N/A  N/A

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