RS roller chain BS/DIN standard 　Major Specifications

RS28B-3


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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-3 28B 3 560{57100} 530{54000} 93.8{9570} 28.20 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 91.95 96.95 195.959.56

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-3-MWJLRS28B-3-OLRS28B-3-2POL
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　2.5 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 4.45 10.1 18.9 35.3 50.8 65.8 80.5 94.8 109 122 136 119 103 91.3 72.3 59.3 49.5 42.3 36.8 32.3 28.5 25.5 23.1 20.9 5.93
10 4.98 11.4 21.2 39.5 57.0 73.8 90.3 106 122 137 153 140 121 106 84.8 69.3 58.0 49.5 43.0 37.8 33.5 30.0 27.0 24.5
11 5.53 12.6 23.5 43.8 63.0 81.8 100 117 135 152 169 162 140 123 97.8 80.0 67.0 57.3 49.5 43.5 38.5 34.5 31.3 28.3
12 6.05 13.8 25.8 48.0 69.3 89.8 109 129 148 167 186 184 160 140 111 91.3 76.5 65.3 56.5 49.5 44.0 39.3 35.5 30.3
13 6.60 15.1 28.0 52.5 75.5 98.0 119 141 162 182 203 208 180 158 125 102 86.3 73.5 63.8 56.0 49.5 44.5 40.0 20.5
14 7.15 16.3 30.5 56.8 81.8 106 129 152 175 198 220 232 201 176 140 114 96.3 82.3 71.3 62.5 55.5 49.5 44.8 8.68
15 7.70 17.6 32.8 61.3 88.3 114 139 164 189 213 237 257 223 196 155 127 106 91.3 79.0 69.3 61.5 55.0 49.5
16 8.28 18.9 35.3 65.8 94.5 122 149 176 202 228 255 280 246 216 171 140 117 100 87.0 76.5 67.8 60.5 54.8
17 8.83 20.1 37.5 70.0 101 130 160 188 216 244 272 297 270 236 187 153 128 110 95.3 83.8 74.3 66.5 45.3
18 9.38 21.4 40.0 74.5 107 139 170 200 230 260 287 317 292 257 204 167 140 119 103 91.3 80.8 72.3 31.8
19 9.95 22.7 42.3 79.0 113 147 180 212 244 275 305 337 317 280 221 181 152 130 112 98.8 87.8 78.5 16.5
20 10.5 24.0 44.8 83.5 120 156 190 224 257 290 322 355 345 302 239 196 164 140 121 106 94.8 84.8
21 11.1 25.3 47.3 88.0 126 164 200 236 272 307 340 375 370 325 257 211 176 151 130 114 101 81.8
22 11.7 26.5 49.5 92.5 133 172 211 250 285 322 357 395 397 347 277 226 189 162 140 123 109 67.3
23 12.2 28.0 52.0 97.3 140 181 221 260 300 337 375 412 425 372 295 241 202 173 150 131 116 51.0
24 12.8 29.3 54.5 101 146 189 232 272 315 355 395 432 452 397 315 257 216 184 160 140 124 33.3
25 13.4 30.5 57.0 106 153 198 242 285 327 370 412 452 480 422 335 275 229 196 170 149 131 13.8
26 14.0 31.8 59.5 111 159 207 252 297 342 385 430 472 510 447 355 290 243 208 180 158 116
28 15.1 34.5 64.5 120 173 224 275 322 370 417 465 512 557 500 397 325 272 232 201 176 82.0
30 16.3 37.3 69.3 129 186 241 295 347 400 450 500 550 600 555 440 360 302 257 223 179 41.3
32 17.5 39.8 74.3 138 200 260 317 372 427 482 537 590 642 610 485 397 332 285 246 146
35 19.3 44.0 82.0 153 220 285 347 410 472 532 592 650 710 700 555 455 380 325 242 84.5
40 22.2 50.8 94.8 176 255 330 402 475 545 615 682 752 820 795 677 555 465 320 145
45 25.3 57.5 107 200 290 375 457 540 620 697 777 852 852 815 710 575 412 225 16.1

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