Jamarco Industrial Supplies

Single Strand
Double Strand
Triple Strand
Heavy Series

Single Strand
ansi
#
Pitch
P
Roller Overall Width
A
Pin
Diameter
D
Average Ultimate Strength lbs Average Weight Per Foot
lbs
Width
W
Diameter
R
25 .250 .125 .130 .31 .0905 925 .09
35 .375 .188 .200 .47 .141 2,100 .24
40 .500 .312 .312 .65 .156 3,700 .42
50 .625 .375 .400 .79 .200 6,100 .71
60 .750 .500 .469 .98 .234 8,500 .97
80 1.000 .625 .625 1.28 .312 14,500 1.68
100 1.250 .750 .750 1.54 .375 24,000 2.54
120 1.500 1.000 .875 1.94 .437 34,000 3.73
140 1.750 1.000 1.000 2.08 .500 46,000 4.83
160 2.000 1.250 1.125 2.48 .562 58,000 6.56
180 2.250 1.406 1.406 2.81 .687 76,000 9.08
200 2.500 1.500 1.562 3.02 .781 95,000 10.49
240 3.000 1.875 1.875 3.77 .937 130,000 16.36

Double Strand roller2.jpg (5592 bytes)
ansi
#
Pitch
P
Roller Overall Width
A
Pin
Diameter
D
Average Ultimate Strength lbs Average Weight Per Foot
lbs
Width
W
Diameter
R
35-2 .375 .188 .200 .860 .141 5,000 .46
40-2 .500 .313 .313 1.20 .156 8,400 .85
50-2 .625 .375 .400 1.49 .200 14,000 1.37
60-2 .750 .500 .469 1.87 .234 19,400 2.04
80-2 1.000 .625 .625 2.42 .312 29,000 3.41
100-2 1.250 .750 .750 2.94 .375 51,200 5.28
120-2 1.500 1.000 .875 3.72 .437 69,400 7.88
140-2 1.750 1.000 1.000 4.00 .500 91,400 10.03
160-2 2.000 1.250 1.125 4.80 .562 114,800 13.48
180-2 2.250 1.406 1.406 5.40 .687 158,000 17.65
200-2 2.500 1.500 1.562 5.86 .781 204,000 21.95
240-2 3.000 1.875 1.875 7.23 .937 300,200 32.44
Triple Strand
ansi
#
Pitch
P
Roller Overall Width
A
Pin
Diameter
D
Average Ultimate Strength lbs Average Weight Per Foot
lbs
Width
W
Diameter
R
35-3 .375 .188 .200 1.294 .141 7,500 .70
40-3 .500 .313 .313 1.813 .156 12,600 1.27
50-3 .625 .375 .400 2.284 .200 21,000 2.05
60-3 .750 .500 .469 2.866 .234 29,100 3.02
80-3 1.000 .625 .625 3.697 .312 50,310 5.10
100-3 1.250 .750 .750 4.484 .375 76,800 7.92
120-3 1.500 1.000 .875 5.654 .437 104,100 11.80
140-3 1.750 1.000 1.000 6.102 .500 137,100 15.00
160-3 2.000 1.250 1.125 7.287 .562 172,200 20.20
180-3 2.250 1.406 1.406 8.110 .687 239,000 26.50
200-3 2.500 1.500 1.562 8.988 .781 306,000 32.74
240-3 3.000 1.875 1.875 11.008 .937 450,600 48.19

Heavy Series
ansi
#
Pitch
P
Roller Overall Width
A
Pin
Diameter
D
Average Ultimate Strength lbs Average Weight Per Foot
lbs
Width
W
Diameter
R
60H .75 .500 .469 1.11 .234 8,500 1.20
80H 1.000 .625 .625 1.41 .312 14,500 1.96
100H 1.250 .750 .750 1.67 .375 24,000 2.80
120H 1.500 1.000 .875 2.07 .437 34,000 4.00
140H 1.750 1.000 1.000 2.20 .500 46,000 5.40
160H 2.000 1.250 1.125 2.60 .562 58,000 7.09
180H 2.250 1.406 1.406 3.07 .687 79,500 9.49
200H 2.500 1.500 1.562 3.63 .781 110,000 13.54

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Last updated: 9/26/2005