No. 60
No. 80
3 / 4 ” PITCH
1” PITCH
D
D
R
R
L 2
L 2
H
h
H
h
W
W
L 1
L 1
P
P
P
P
T
T
L 2
L 2
L 2
C
L 2
C
C
C
L 1
L 1
C
L
L 1
L
C
L 1
L 1
L 1
L 1
L 1
P
Roll dia.
W
T
H
h
D
P
R
W
T
H
h
D
80
1.000
0.625
0.625
0.125
0.949
0.819
0.312
60
0.750
0.469
0.500
0.094
0.713
0.614
0.234
Transverse Pitch C
ANSI Standard Min. Tensile Strength {lb}
Tsubaki Ave. Tensile Strength
Maximum Allowable Load
Approximate Mass lb/ft
Transverse Pitch C
ANSI Standard Min. Tensile Strength {lb}
Tsubaki Average Tensile Strength
Maximum Allowable Load
Approximate Mass lb/ft
TSUBAKI Chain Number
Number of Strands
TSUBAKI Chain Number
Number of Strands
L1+L2
L1
L2
L
Pin Type Rivet/Cotter
L1+L2
L1
L2
L
Pin Type Rivet/Cotter
80RB
1 2 3 4 5 6
1.398 2.552 3.705 4.862 6.020 7.170
0.640 1.217 1.795 2.372 2.951 3.528
0.758 1.335 1.910 2.490 3.069 3.642
1.441 2.657 3.815 4.972 6.126 7.280
12,500 25,000 37,500 50,000 62,504 75,000
17,640 35,300 52,900 70,500 88,200 105,800
3,300 5,620
1.79 3.54 5.30 7.06 8.81
60RB
1 2 3 4 5 6
1.087 1.988 2.906 3.803 4.705 5.606
0.506 0.955 1.404 1.852 2.303 2.752
0.581 1.033 1.502 1.951 2.402 2.854
1.110 2.071 2.972 3.870 4.772 5.669
7,030
9,920
1,980 3,370 4,960 6,550 7,740 9,130
1.03 2.04 3.05 4.06 5.07 6.08
80-2RB
Riveted
60-2RB 60-3RB 60-4RB 60-5RB 60-6RB
Riveted Riveted Riveted Riveted Riveted
14,060 21,090
19,840 29,760 39,680 49,600 59,520
80-3RB 80-4RB 80-5RB 80-6RB
Riveted Riveted Riveted Riveted
8,270
1.153
0.897
- - -
10,900 12,900 15,200
10.57
Note: 1. “RB” designation indicates 10’ box riveted. Cottered, cut-to-length and reel stock available upon request. 2. Maximum allowable load when using a one-pitch offset link (OL) is 65% of the above. 3. Maximum allowable load when using a two-pitch offset link (2POL) is 100% of the above.
Note: 1. “RB” designation indicates 10’ box riveted. Cottered, cut-to-length and reel stock available upon request. 2. Maximum allowable load when using a one-pitch offset link (OL) is 65% of the above. 3. Maximum allowable load when using a two-pitch offset link (2POL) is 100% of the above.
No. of Small Sprocket Teeth Maximum Speed - Small Sprocket (RPM) 10 25 50 100 150 200 300 400 500 600 700 800 900 1000 1100 1200 1400 1600 1800 2000 2500 3000 3500 4000 4500 Lubrication System A B C 11 0.30 0.67 1.26 2.35 3.39 4.39 6.32 8.19 10.0 11.8 13.5 15.3 17.0 15.6 13.5 11.9 9.41 7.70 6.45 5.51 3.94 3.00 2.39 1.94 1.64 12 0.32 0.74 1.38 2.59 3.71 4.81 6.95 9.00 11.0 13.0 14.9 16.8 18.6 17.8 15.6 13.5 10.7 8.77 7.35 6.29 4.49 3.42 2.71 2.23 1.86 13 0.35 0.80 1.52 2.82 4.06 5.26 7.58 9.80 12.0 14.1 16.2 18.2 20.4 20.1 17.4 15.2 12.1 9.90 8.30 7.08 5.07 3.85 3.06 2.51 - 14 0.39 0.87 1.64 3.06 4.40 5.70 8.21 10.6 13.0 15.3 17.6 19.8 22.0 22.4 19.4 17.0 13.5 11.1 9.27 7.91 5.66 4.32 3.42 2.80 - 15 0.42 0.94 1.76 3.29 4.73 6.13 8.84 11.5 13.9 16.5 18.9 21.3 23.7 24.8 21.6 18.8 15.0 12.3 10.3 8.77 6.29 4.77 3.80 3.10 - 16 0.44 1.01 1.89 3.53 5.08 6.57 9.47 12.3 15.0 17.7 20.2 22.9 25.5 27.4 23.7 20.9 16.5 13.5 11.3 9.67 6.92 5.26 4.17 3.42 - 17 0.47 1.09 2.01 3.77 5.42 7.03 10.1 13.1 16.0 18.9 21.7 24.4 27.2 29.9 26.0 22.9 18.1 14.8 12.4 10.6 7.58 5.77 4.57 3.74 - 18 0.51 1.15 2.15 4.00 5.77 7.47 10.8 13.9 17.0 20.1 23.1 26.0 29.0 31.8 28.3 24.9 19.7 16.1 13.5 11.5 8.26 6.29 4.99 4.08 - 19 0.54 1.22 2.28 4.24 6.12 7.91 11.4 14.8 18.1 21.3 24.4 27.6 30.7 33.7 30.7 27.1 21.5 17.6 14.6 12.5 8.96 6.81 5.40 4.43 - 20 0.56 1.29 2.40 4.48 6.46 8.37 12.1 15.6 19.0 22.5 25.9 29.1 32.5 35.7 33.1 29.2 23.1 18.9 15.8 13.5 9.67 7.35 5.83 - - 21 0.59 1.35 2.53 4.73 6.81 8.82 12.7 16.5 20.1 23.7 27.2 30.7 34.2 37.5 35.7 31.5 24.8 20.2 17.0 14.5 10.4 7.91 6.29 - - 22 0.63 1.42 2.67 4.98 7.16 9.28 13.4 17.3 21.2 24.9 28.7 32.3 35.9 39.4 38.2 33.8 26.6 21.9 18.2 15.6 11.1 8.49 6.73 - - 23 0.66 1.50 2.79 5.22 7.51 9.74 14.1 18.1 22.3 26.1 30.0 33.9 37.7 41.4 40.9 36.1 28.4 23.3 19.4 16.8 11.9 9.08 7.19 - - 24 0.68 1.57 2.92 5.46 7.87 10.2 14.6 19.0 23.2 27.4 31.5 35.5 39.4 43.3 43.6 38.2 30.3 24.8 20.8 17.8 12.7 9.67 7.67 - - 25 0.72 1.64 3.06 5.71 8.22 10.6 15.3 19.8 24.3 28.6 32.9 37.1 41.2 45.3 46.4 40.6 32.2 26.4 22.1 18.9 13.5 10.3 8.15 - - 26 0.75 1.72 3.19 5.95 8.58 11.1 16.0 20.8 25.3 29.9 34.3 38.8 43.0 47.3 49.2 43.2 34.2 28.0 23.5 20.0 14.3 10.9 8.65 - - 28 0.82 1.85 3.46 6.45 9.29 12.0 17.3 22.4 27.5 32.3 37.1 42.0 46.7 51.2 55.0 48.3 38.2 31.4 26.1 22.4 16.0 12.2 - - - 30 0.87 2.00 3.73 6.95 10.0 13.0 18.6 24.1 29.6 34.9 40.1 45.2 50.2 55.3 60.2 53.5 42.4 34.7 29.1 24.8 17.8 13.5 - - - 32 0.94 2.15 4.00 7.46 10.7 13.9 20.0 25.9 31.8 37.4 42.9 48.4 53.8 59.1 64.5 58.9 46.7 38.2 32.1 27.4 19.6 14.9 - - - 35 1.03 2.36 4.40 8.21 11.8 15.3 22.1 28.6 35.0 41.2 47.3 53.4 59.3 65.2 71.1 67.5 53.4 43.7 36.6 31.4 22.4 17.0 - - - 40 1.19 2.72 5.08 9.48 13.7 17.7 25.5 33.0 40.4 47.6 54.6 61.6 68.5 75.4 82.1 82.3 65.7 53.5 44.8 38.2 27.4 - - - - 45 1.35 3.10 5.77 10.8 15.6 20.1 29.0 37.5 45.9 54.0 62.1 70.0 77.8 85.6 93.2 98.3 78.4 63.7 53.4 45.6 32.6 - - - - Note:
No. of Small Sprocket Teeth Maximum Speed - Small Sprocket (RPM) 10 25 50 100 150 200 300 400 500 600 700 800 900 1000 1100 1200 1400 1600 1800 2000 2200 2400 2700 3000 3400 Lubrication System A B C 11 0.89 2.01 3.75 7.01 10.1 13.1 18.9 24.4 29.9 30.3 30.3 27.4 22.9 19.6 17.0 14.9 11.8 9.70 8.13 6.93 6.01 5.28 4.43 3.78 1.70 12 0.97 2.21 4.13 7.71 11.1 14.3 20.7 26.8 32.9 33.4 33.4 31.2 26.1 22.4 19.4 17.0 13.5 11.1 9.25 7.90 6.85 6.01 5.04 4.30 - 13 1.06 2.41 4.51 8.41 12.1 15.7 22.5 29.2 35.8 36.3 36.3 35.3 29.5 25.2 21.9 19.2 15.2 12.5 10.4 8.92 7.72 6.79 5.69 4.85 - 14 1.14 2.61 4.88 9.11 13.1 17.0 24.4 31.6 38.8 39.4 39.4 39.4 33.0 28.2 24.4 21.5 17.0 13.9 11.7 10.0 8.64 7.58 6.36 5.42 - 15 1.23 2.82 5.26 9.80 14.1 18.2 26.4 34.2 41.7 43.7 43.7 43.7 36.6 31.2 27.1 23.7 18.9 15.4 12.9 11.1 9.57 8.41 7.04 6.01 - 16 1.33 3.02 5.63 10.5 15.2 19.6 28.3 36.6 44.8 48.1 48.1 48.1 40.4 34.5 29.8 26.1 20.8 17.0 14.2 12.2 10.6 9.25 7.76 6.62 - 17 1.41 3.22 6.02 11.2 16.2 20.9 30.2 39.2 47.7 52.7 52.7 52.7 44.1 37.7 32.7 28.7 22.8 18.6 15.6 13.3 11.6 10.1 8.50 7.25 - 18 1.50 3.43 6.40 11.9 17.2 22.3 32.1 41.6 50.8 57.4 57.4 57.4 48.1 41.0 35.5 31.2 24.8 20.2 17.0 14.5 12.6 11.1 9.25 7.90 - 19 1.58 3.63 6.79 12.7 18.2 23.6 34.1 44.1 53.9 61.7 61.7 61.7 52.2 44.5 38.6 33.9 27.0 22.0 18.5 15.7 13.7 12.0 10.0 8.57 - 20 1.66 3.85 7.17 13.4 19.3 24.9 35.9 46.7 57.0 65.3 65.3 65.3 56.3 48.1 41.7 36.6 29.1 23.7 20.0 17.0 14.8 12.9 10.8 - - 21 1.76 4.05 7.56 14.1 20.4 26.3 38.0 49.1 60.1 68.8 68.8 68.8 60.6 51.8 44.9 39.4 31.2 25.6 21.5 18.2 15.8 13.9 11.7 - - 22 1.84 4.26 7.95 14.9 21.3 27.6 39.8 51.6 63.2 72.3 72.3 72.3 65.0 55.5 48.1 42.2 33.5 27.4 22.9 19.6 17.0 14.9 12.5 - - 23 1.92 4.47 8.34 15.6 22.4 29.1 41.8 54.2 66.2 75.9 75.9 75.9 69.5 59.3 51.4 45.2 35.8 29.4 24.5 20.9 18.2 16.0 13.4 - - 24 2.00 4.68 8.73 16.4 23.5 30.4 43.9 56.7 69.3 79.5 79.5 79.5 74.0 63.3 54.8 48.1 38.2 31.2 26.1 22.4 19.4 17.0 14.2 - - 25 2.09 4.89 9.13 17.0 24.5 31.8 45.7 59.3 72.5 83.0 83.0 83.0 78.7 67.2 58.3 51.1 40.6 33.3 27.9 23.7 20.7 18.1 15.2 - - 26 2.17 5.10 9.52 17.7 25.6 33.1 47.7 61.8 75.6 86.6 86.6 86.6 83.5 71.3 61.8 54.3 43.0 35.3 29.5 25.2 21.9 19.2 16.1 - - 28 2.33 5.53 10.3 19.3 27.8 35.9 51.8 67.1 81.9 93.9 93.9 93.9 93.3 79.7 69.1 60.6 48.1 39.4 33.0 28.2 24.4 21.5 - - - 30 2.51 5.95 11.1 20.8 29.9 38.8 55.8 72.1 88.2 104 104 104 104 88.4 76.6 67.2 53.4 43.7 36.6 31.2 27.1 23.7 - - - 32 2.67 6.38 11.9 22.3 32.1 41.4 59.8 77.4 94.7 112 114 114 114 97.4 84.4 74.0 58.7 48.1 40.4 34.5 29.8 26.1 - - - 35 2.92 7.03 13.1 24.5 35.3 45.7 65.8 85.3 104 123 130 130 130 111 96.6 84.8 67.2 55.0 46.1 39.4 34.2 - - - - 40 3.34 8.13 15.2 28.3 40.8 52.8 76.0 98.6 120 142 153 153 153 135 118 104 82.2 67.2 56.3 48.1 20.0 - - - - 45 3.75 9.23 17.2 32.2 46.3 59.9 86.4 112 137 161 174 174 174 162 141 124 98.0 80.2 67.2 54.2 - - - - - Note:
1. When using one pitch offset links (OL), HP ratings are 80% of the above. Two pitch offset links (2POL) can be used at 100% of the above values. 2. Multiply the value given above by the multiple strand factor (page 251 Table 2) in order to obtain the transmission horsepower of multiple strand chain. 3. For lubrication systems A, B & C, refer to pages 257 & 258 for explanation. Please consult Tsubaki for use of horsepower ratings to the right of the boundary line. 4. Refer to page 251, “Procedures for Selecting Roller Chain.”
1. When using one pitch offset links (OL), HP ratings are 80% of the above. Two pitch offset links (2POL) can be used at 100% of the above values. 2. Multiply the value given above by the multiple strand factor (page 251 Table 2) in order to obtain the transmission horsepower of multiple strand chain. 3. For lubrication systems A, B & C, refer to pages 257 & 258 for explanation. Please consult Tsubaki for use of horsepower ratings to the right of the boundary line. 4. Refer to page 251, “Procedures for Selecting Roller Chain.”
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