Basics
Triple Double Single Strand Strand Strand
Speed of the Small Sprocket (rpm)
Figure 4.10 RS Roller Chain Provisional Selection Table
Step 4a. Calculate the size of the driven sprocket. Number of teeth in driven sprocket = 15 3 (50/20) = 37.5. Therefore, select a 38-tooth driven sprocket. Step 4b. Confirm that the chain meets the power requirements. According to the power transmission tables in the catalog, an RS140 chain with a 15-tooth sprocket is capable of transmitting 11.3 kW. Because 11.3 kW is greater than the design power of 9.75 kW, it is acceptable.
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