RS roller chain BS/DIN standard 　Major Specifications

RS28B-1


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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-1 28B 1 200{20400} 200{20400} 37.5{3820} 9.45 68

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


Principal dimensions 　mm

Pitch
P		 Roller dia.
R		 Inner link inner width
W		 Plate Pin
T1 T2 H h D L1 L2 L
44.45 27.94 30.99 6.3 7.5 36.4 36.4 15.90 32.45 37.45 74.4

Notes
　1.Connecting links are cotter pin type.


Applicable connecting link

Type Connecting link Offset link 2-pitch
offset link
Model No. RS28B-1-MWJLRS28B-1-OLRS28B-1-2POL
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

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 1.78 4.05 7.56 14.1 20.3 26.3 32.2 37.9 43.6 49.1 54.6 47.9 41.5 36.5 28.9 23.7 19.8 16.9 14.7 12.9 11.4 10.2 9.22 8.37 2.37
10 1.99 4.54 8.47 15.8 22.8 29.5 36.1 42.5 48.8 55.0 61.2 56.1 48.7 42.7 33.9 27.7 23.2 19.8 17.2 15.1 13.4 12.0 10.8 9.81
11 2.21 5.03 9.39 17.5 25.2 32.7 40.0 47.1 54.1 61.0 67.8 64.8 56.1 49.3 39.1 32.0 26.8 22.9 19.8 17.4 15.4 13.8 12.5 11.3
12 2.42 5.53 10.3 19.2 27.7 35.9 43.9 51.7 59.4 67.0 74.5 73.8 64.0 56.1 44.5 36.5 30.6 26.1 22.6 19.8 17.6 15.7 14.2 12.1
13 2.64 6.03 11.2 21.0 30.2 39.2 47.9 56.4 64.8 73.1 81.2 83.2 72.1 63.3 50.2 41.1 34.5 29.4 25.5 22.4 19.8 17.8 16.0 8.18
14 2.86 6.53 12.2 22.7 32.7 42.4 51.9 61.1 70.2 79.2 88.0 93.0 80.6 70.7 56.1 45.9 38.5 32.9 28.5 25.0 22.2 19.8 17.9 3.47
15 3.08 7.03 13.1 24.5 35.3 45.7 55.9 65.8 75.6 85.3 94.8 103 89.4 78.4 62.3 51.0 42.7 36.5 31.6 27.7 24.6 22.0 19.8
16 3.31 7.54 14.1 26.3 37.8 49.0 59.9 70.6 81.1 91.4 102 112 98.5 86.4 68.6 56.1 47.0 40.2 34.8 30.6 27.1 24.2 21.9
17 3.53 8.05 15.0 28.0 40.4 52.3 64.0 75.4 86.6 97.6 109 119 108 94.6 75.1 61.5 51.5 44.0 38.1 33.5 29.7 26.6 18.1
18 3.75 8.56 16.0 29.8 43.0 55.6 68.0 80.2 92.1 104 115 127 117 103 81.8 67.0 56.1 47.9 41.5 36.5 32.3 28.9 12.7
19 3.98 9.08 16.9 31.6 45.5 59.0 72.1 85.0 97.6 110 122 135 127 112 88.7 72.6 60.9 52.0 45.1 39.5 35.1 31.4 6.60
20 4.21 9.60 17.9 33.4 48.1 62.4 76.2 89.8 103 116 129 142 138 121 95.8 78.4 65.7 56.1 48.7 42.7 37.9 33.9
21 4.43 10.1 18.9 35.2 50.7 65.7 80.3 94.7 109 123 136 150 148 130 103 84.4 70.7 60.4 52.3 45.9 40.7 32.7
22 4.66 10.6 19.8 37.0 53.3 69.1 84.5 100 114 129 143 158 159 139 111 90.5 75.8 64.8 56.1 49.3 43.7 26.9
23 4.89 11.2 20.8 38.9 56.0 72.5 88.6 104 120 135 150 165 170 149 118 96.7 81.1 69.2 60.0 52.7 46.7 20.4
24 5.12 11.7 21.8 40.7 58.6 75.9 92.8 109 126 142 158 173 181 159 126 103 86.4 73.8 64.0 56.1 49.8 13.3
25 5.35 12.2 22.8 42.5 61.2 79.3 97.0 114 131 148 165 181 192 169 134 110 91.9 78.4 68.0 59.7 52.5 5.51
26 5.58 12.7 23.8 44.4 63.9 82.8 101 119 137 154 172 189 204 179 142 116 97.4 83.2 72.1 63.3 46.6
28 6.05 13.8 25.8 48.1 69.2 89.7 110 129 148 167 186 205 223 200 159 130 109 93.0 80.6 70.7 32.8
30 6.52 14.9 27.7 51.8 74.6 96.6 118 139 160 180 200 220 240 222 176 144 121 103 89.4 71.9 16.5
32 6.99 15.9 29.7 55.5 80.0 104 127 149 171 193 215 236 257 244 194 159 133 114 98.5 58.4
35 7.70 17.6 32.8 61.2 88.1 114 139 164 189 213 237 260 284 280 222 182 152 130 96.9 33.8
40 8.89 20.3 37.9 70.6 102 132 161 190 218 246 273 301 328 318 271 222 186 128 58.2
45 10.1 23.0 43.0 80.2 116 150 183 216 248 279 311 341 341 326 284 230 165 90.3 6.45

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