U.S. TSUBAKI SUPER CHAIN
Ultra Super Series U.S. Tsubaki Ultra Super chains have superior strength, excellent durability, greater allowable load, higher breaking load, and are stronger than any other roller chain we manufacture. With 170% higher allowable load than that of ASME/ANSI RS standard chains, you can select up to two chain sizes smaller. U.S. Tsubaki Ultra Super chains will solve your specific driving and conveying problems relating to heavy shock load and/or space limitation.
RS ROLLER CHAIN
ULTRA SUPER CHAIN
ASME/ANSI RS Standard
Pitch
Roller
Width
Average Maximum Approx.
❈
U.S. TSUBAKI
Dia.
Between Roller Link
Tensile Strength
Allowable
Weight lbs./ft.
Link Plates
Pins
Load
Plates
lbs.
lbs.
P
R
W T
H
D L 1
L 2
Chain No. US100 US120 US140 US160 US200 US240
1.250 1.500 1.750 2.000 2.500 3.000
.750 .875
.750 1.000 1.000 1.250 1.500 1.875
.187 .219 .250 .281 .375 .500
1.185 1.425 1.661 1.898 2.374 2.850
.406 .483 .550 .615 .804 .959
.880 1.085 1.161 1.358 1.691 2.157
.998 1.242 1.346 1.583 2.006 2.555
38,500 55,100 70,500 88,000 149,600 220,000
8,800 12,100 14,300 19,140 24,200 33,900
3.40 4.84 6.20 8.17
1.000 1.125 1.562 1.875
13.73 21.25
Note: 1. RS standard sprockets can be used if the sprocket teeth have been hardened and the sprocket is not of the cast iron type. 2. Chain should be lubricated using: a) drip method b) oil bath c) lubrication pump 3. Offset links are not available. 4. Riveted type chains will be supplied unless otherwise specified. 5. Chains cannot be coupled with RS standard chains. 6. Refer to page A-42, “Chain Drive Selection.” ❈
A-41
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