RS roller chain 　Major Specifications

RS120-2


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PDF Outline Drawing

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DXF drawings / 3D CAD data

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Catalogs ・Instruction Manuals

Major Specifications

Size &
No. of strands 		No. of
strands 		Dimensions
L1
mm		Dimensions
L2
mm		Offset pin
length
L
mm		Transverse pitch
C
mm		JIS tensile strength
kN {kgf}		 Min. tensile
strength
kN {kgf}		 Avg. tensile
strength
kN {kgf}		 Max. allowable
tension
kN {kgf}		 Estimated Mass
kg/m		 No. of links
per unit
RS120-2 2 47.651.6103.245.4250.0{25493} 296{30200} 333{34000} 51.7{5270} 11.70 80

Notes
　1.The maximum allowable tension when using a 1-pitch offset link is 65% of the above.
　　2-pitch offset links (2POL) can be used at the above ratings.
　2.Stocked unit


Standard prices and delivery time

Type Unit
CP type
Model No. RS120-2-CP-U
Standard Price Contact us for details.
Delivery Contact us for details.

Applicable connecting link

Type Connecting link Offset link 2-pitch
offset link
Model No. RS120-2-MWJLRS120-2-OLRS120-2-2POL
Standard Price Contact us for details. Contact us for details. Contact us for details.
Delivery Contact us for details. Contact us for details. Contact us for details.

Transmission Capacity Table 　kW　1.7 multiplied multi-strand coefficient

Small
sprocket
no. of teeth
Small sprocket RPM 　r/min
10 25 50 100 150 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100
Lubrication method AI Lubrication method AII Lubrication method B Lubrication method C
9 2.81 6.38 11.9 22.3 32.0 41.5 59.7 69.9 69.9 54.7 43.5 35.5 29.8 25.5 22.1 19.4 17.2 15.4 13.9 12.6 11.5 10.5 9.72 9.01 8.36
10 3.13 7.16 13.3 24.8 35.9 46.4 67.0 78.4 78.2 64.1 51.0 41.7 34.9 29.8 25.8 22.6 20.1 18.0 16.2 14.7 13.4 12.3 11.4 10.5 9.79
11 3.47 7.92 14.8 27.5 39.8 51.5 74.1 86.7 86.7 74.0 58.8 48.1 40.3 34.3 29.8 26.2 23.3 20.7 18.7 17.0 15.5 14.2 13.1 12.2
12 3.81 8.70 16.3 30.3 43.7 56.6 81.4 95.4 95.4 84.3 67.0 54.7 45.9 39.3 34.0 29.8 26.5 23.6 21.4 19.4 17.7 16.2 15.0 13.9
13 4.17 9.49 17.7 33.0 47.6 61.7 88.9 103 103 95.0 75.5 61.7 51.9 44.2 38.3 33.7 29.8 26.7 24.1 21.8 19.9 18.4 16.9 15.6
14 4.51 10.3 19.2 35.9 51.5 66.8 96.2 112 112 106 84.3 69.0 57.8 49.5 42.8 37.6 33.3 29.8 26.9 24.5 22.3 20.4 18.9 11.3
15 4.86 11.1 20.7 38.6 55.6 71.9 103 121 121 117 93.5 76.5 64.1 54.7 47.4 41.7 36.9 33.2 29.8 27.0 24.7 22.6 20.9
16 5.20 11.9 22.1 41.3 59.5 77.2 111 130 130 129 103 84.3 70.7 60.4 52.4 45.9 40.8 36.4 32.8 29.8 27.2 25.0 23.1
17 5.56 12.7 23.6 44.2 63.6 82.5 118 142 142 142 112 92.3 77.4 66.1 57.3 50.3 44.5 40.0 36.0 32.6 29.8 27.4 25.2
18 5.90 13.5 25.2 46.9 67.7 87.7 126 155 155 155 122 100 84.3 72.1 62.4 54.7 48.6 43.5 39.3 35.5 32.5 29.8 14.3
19 6.24 14.3 26.7 49.8 71.7 93.0 133 168 168 168 133 109 91.5 78.0 67.7 59.5 52.7 47.1 42.5 38.6 35.2 32.3
20 6.56 15.1 28.2 52.7 75.8 98.3 141 181 181 181 143 117 98.8 84.3 73.1 64.1 57.0 51.0 45.9 41.7 38.1 34.9
21 6.89 15.9 29.8 55.4 79.9 103 149 193 195 195 155 126 106 90.8 78.7 69.0 61.2 54.7 49.5 44.9 41.0 37.6
22 7.23 16.7 31.3 58.3 84.0 108 156 202 209 209 166 136 113 97.2 84.3 74.0 65.6 58.8 53.0 48.1 43.9 21.1
23 7.55 17.5 32.8 61.2 88.2 114 164 212 224 224 176 145 121 104 90.1 79.2 70.2 62.7 56.6 51.3 46.9
24 7.87 18.4 34.3 64.1 92.3 119 171 222 238 238 188 155 129 110 96.1 84.3 74.8 67.0 60.4 54.7 50.0
25 8.21 19.2 35.9 67.0 96.4 124 180 232 248 248 200 164 138 117 102 89.8 79.6 71.2 64.1 58.3 52.4
26 8.53 20.1 37.4 69.9 100 130 187 243 258 258 214 175 146 124 108 95.0 84.3 75.5 68.0 61.7 33.7
28 9.20 21.8 40.6 75.7 108 141 204 263 280 280 238 195 163 139 121 106 94.4 84.3 76.0 69.0
30 9.84 23.5 43.7 81.6 117 152 219 283 302 302 265 215 181 155 134 117 104 93.5 84.3 53.7
32 10.5 25.2 46.9 87.4 125 163 234 304 324 324 290 238 200 170 147 129 115 103 93.0
35 11.5 27.7 51.7 96.4 138 180 258 334 357 357 333 273 229 195 169 148 131 117 60.5
40 13.1 32.0 59.7 111 160 207 299 387 411 411 408 333 278 238 207 181 160 75.5
45 14.8 36.2 67.7 126 181 236 340 440 486 486 486 397 333 283 246 215 101

Notes
　1.kW ratings when using a 1-pitch offset link (OL) are 65% of the above.
　2.Contact us if you use at the kW ratings colored in gray.

Lubrication method AI AII B C

More details

Method Manual lubrication Drip lubrication Oil bath or slinger disc Forced lubrication

Applicable sprockets

Type 2A 2B 2C
Base Model No. RS120-2A□T■ RS120-2B□T■ RS120-2C□T■
Tooth no. range 14T～60T 12T～60T 14T～60T