Heavy Series Heavy Series roller chains differ from the ASME/ANSI standard series in the extra thickness of the link plates and the extra length of the pins. These link plates have the same thickness as the link plates of ASME/ANSI chains having the next larger pitch. The thicker link plates provide greater capacity (approximately 10%) for absorbing shock loads. These chains are suitable in situations where the load is heavy or operating conditions are severe.
Pitch
Roller
Width
Link Plate
Pin
Transverse Average Maximum Approx. Pitch Tensile Allowable Weight ❈
U.S. TSUBAKI
Dia.
Between Roller Link
Strength Load
lbs./ft.
Plates
lbs.
lbs.
P
R W T
H h
D L 1
L 2
C
Chain No.
SINGLE STRAND RS60H RS80H RS100H RS120H RS140H RS160H RS200H RS240H DOUBLE STRAND
.75 1.00 1.25 1.50 1.75 2.00 2.50 3.00 .75 1.00 1.25 1.50 1.75 2.00 2.50 3.00 .75 1.00 1.25 1.50 1.75 2.00 2.50 3.00
.469 .625 .750 .875
.500 .625 .750
.125 .156 .187 .219 .250 .281 .375 .500 .125 .156 .187 .219 .250 .281 .375 .500 .125 .156 .187 .219 .250 .281 .375 .500
.713 .949
.614 .819
.234 .312 .375 .437 .500 .562 .781 .937 .234 .312 .375 .437 .500 .562 .781 .937 .234 .312 .375 .437 .500 .562 .781 .937
.583 .720 .858
.669 .823 .965
— — — — — — — —
9,920 17,640 26,460 37,480 48,510 60,630 103,630 152,140 19,840 35,280 52,920 71,880 94,370 121,260 207,260 304,280 29,760 52,920 79,380 107,820 141,550 181,890 310,890 456,420
2,200 3,630 5,510 7,270 9,590
1.21 2.08 3.07 4.38 5.54 7.35
1.185 1.425 1.661 1.898 2.374 2.850
1.024 1.228 1.433 1.638 2.047 2.457
1.000 1.000 1.250 1.500 1.875
1.061 1.138 1.337 1.689 2.157 1.083 1.358 1.630 2.014 2.163 2.555 3.230 4.146 1.614 1.998 2.400 2.984 3.191 3.756 4.760 6.104
1.203 1.303 1.514 1.894 2.453 1.181 1.492 1.736 2.171 2.343 2.736 3.437 4.461 1.720 2.120 2.510 3.134 3.370 3.961 4.969 6.423
1.000 1.125 1.562 1.875
12,500 17,600 25,300
12.33 19.54
RS60H-2 RS80H-2
.469 .625 .750 .875
.500 .625 .750
.713 .949
.614 .819
1.028 1.283 1.539 1.924 2.055 2.437 3.083 3.985 1.028 1.283 1.539 1.924 2.055 2.437 3.083 3.985
3,700 6,100 9,300
2.41 4.15 6.07 8.67
RS100H-2 RS120H-2 RS140H-2 RS160H-2 RS200H-2 RS240H-2 TRIPLE STRAND
1.185 1.425 1.661 1.898 2.374 2.850
1.024 1.228 1.433 1.638 2.047 2.457
1.000 1.000 1.250 1.500 1.875
12,300 16,300 21,200 29,900 43,000
1.000 1.125 1.562 1.875
11.01 14.64 24.51 38.47
RS60H-3 RS80H-3 RS100H-3 RS120H-3 RS140H-3 RS160H-3 RS200H-3 RS240H-3
.469 .625 .750 .875
.500 .625 .750
.713 .949
.614 .819
5,500 9,000
3.60 6.21 9.10
1.185 1.425 1.661 1.898 2.374 2.850
1.024 1.228 1.433 1.638 2.047 2.457
13,700 18,100 23,900 31,200 44,000 63,200
1.000 1.000 1.250 1.500 1.875
12.99 16.48 21.93 36.81 57.33
1.000 1.125 1.562 1.875
Note: 1. Riveted or cottered types are available. ❈ 2. Refer to page A-23, “Selection for Slow Speed.”
A-20
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