RS roller chain BS/DIN standard 　Major Specifications

RS28B-2


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Catalogs ・Instruction Manuals

Major Specifications

Size &
No. of
strands 		JIS no. No. of
strands 		Min. tensile strength
kN {kgf}		 ISO606 tensile strength
kN {kgf}		 Max. allowable load
kN {kgf}		 Estimated Mass
kg/m		 No. of links
per unit
RS28B-2 28B 2 374{38100} 360{36700} 63.8{6510} 18.80 68

Notes
　1.The maximum allowable tension when using a 1-pitch/2-pitch offset link (OL, 2POL) is 60% of the above.
　2.Made to order


Principal dimensions 　mm

Pitch
P		 Roller dia.
R		 Inner link inner width
W		 Plate Pin Transverse pitch
C
mm
T1 T2 H h D L1 L2 L
44.45 27.94 30.99 6.3 7.5 36.4 36.4 15.90 62.15 67.15 136.659.56

Notes
　1.The outer plate thickness values are for single-strand chain. For multi-strand chain, the values may differ according to the horizontal pitch dimensions.
　2.Connecting links are cotter pin type.


Applicable connecting link

Type Connecting link Offset link 2-pitch
offset link
Model No. RS28B-2-MWJLRS28B-2-OLRS28B-2-2POL
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 50 100 150 200 250 300 350 400 450 500 550 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700
Lubrication method AI Lubrication method AII Lubrication method B Lubrication method C
9 3.03 6.89 12.9 24.0 34.5 44.7 54.7 64.4 74.1 83.5 92.8 81.4 70.6 62.1 49.1 40.3 33.7 28.7 25.0 21.9 19.4 17.3 15.7 14.2 4.03
10 3.38 7.72 14.4 26.9 38.8 50.2 61.4 72.3 83.0 93.5 104 95.4 82.8 72.6 57.6 47.1 39.4 33.7 29.2 25.7 22.8 20.4 18.4 16.7
11 3.76 8.55 16.0 29.8 42.8 55.6 68.0 80.1 92.0 103 115 110 95.4 83.8 66.5 54.4 45.6 38.9 33.7 29.6 26.2 23.5 21.3 19.2
12 4.11 9.40 17.5 32.6 47.1 61.0 74.6 87.9 100 113 126 125 108 95.4 75.7 62.1 52.0 44.4 38.4 33.7 29.9 26.7 24.1 20.6
13 4.49 10.3 19.0 35.7 51.3 66.6 81.4 95.9 110 124 138 141 122 107 85.3 69.9 58.7 50.0 43.4 38.1 33.7 30.3 27.2 13.9
14 4.86 11.1 20.7 38.6 55.6 72.1 88.2 103 119 134 149 158 137 120 95.4 78.0 65.5 55.9 48.5 42.5 37.7 33.7 30.4 5.90
15 5.24 12.0 22.3 41.7 60.0 77.7 95.0 111 128 145 161 175 151 133 105 86.7 72.6 62.1 53.7 47.1 41.8 37.4 33.7
16 5.63 12.8 24.0 44.7 64.3 83.3 101 120 137 155 173 190 167 146 116 95.4 79.9 68.3 59.2 52.0 46.1 41.1 37.2
17 6.00 13.7 25.5 47.6 68.7 88.9 108 128 147 165 185 202 183 160 127 104 87.6 74.8 64.8 57.0 50.5 45.2 30.8
18 6.38 14.6 27.2 50.7 73.1 94.5 115 136 156 176 195 215 198 175 139 113 95.4 81.4 70.6 62.1 54.9 49.1 21.6
19 6.77 15.4 28.7 53.7 77.4 100 122 144 165 187 207 229 215 190 150 123 103 88.4 76.7 67.2 59.7 53.4 11.2
20 7.16 16.3 30.4 56.8 81.8 106 129 152 175 197 219 241 234 205 162 133 111 95.4 82.8 72.6 64.4 57.6
21 7.53 17.2 32.1 59.8 86.2 111 136 160 185 209 231 255 251 221 175 143 120 102 88.9 78.0 69.2 55.6
22 7.92 18.0 33.7 62.9 90.6 117 143 170 193 219 243 268 270 236 188 153 128 110 95.4 83.8 74.3 45.7
23 8.31 19.0 35.4 66.1 95.2 123 150 176 204 229 255 280 289 253 200 164 137 117 102 89.6 79.4 34.7
24 8.70 19.9 37.1 69.2 99.6 129 157 185 214 241 268 294 307 270 214 175 146 125 108 95.4 84.7 22.6
25 9.10 20.7 38.8 72.3 104 134 164 193 222 251 280 307 326 287 227 187 156 133 115 101 89.3 9.37
26 9.49 21.6 40.5 75.5 108 140 171 202 232 261 292 321 346 304 241 197 165 141 122 107 79.2
28 10.3 23.5 43.9 81.8 117 152 187 219 251 283 316 348 379 340 270 221 185 158 137 120 55.8
30 11.1 25.3 47.1 88.1 126 164 200 236 272 306 340 374 408 377 299 244 205 175 151 122 28.1
32 11.9 27.0 50.5 94.4 136 176 215 253 290 328 365 401 436 414 329 270 226 193 167 99.3
35 13.1 29.9 55.8 104 149 193 236 278 321 362 402 442 482 476 377 309 258 221 164 57.5
40 15.1 34.5 64.4 120 173 224 273 323 370 418 464 511 557 540 460 377 316 217 98.9
45 17.2 39.1 73.1 136 197 255 311 367 421 474 528 579 579 554 482 391 280 153 11.0

Notes
　1.kW ratings when using a 1-pitch offset link (OL) are 80% 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