Related Resources: hardware
Service Factors Roller Chain Drive Table
ANSI Hardware Design Guide and Reference
Roller Chain Drive Service Factors Table
Service factors given below are for normal chain loading.
The horsepower ratings for multiple-strand chains equal single-strand ratings multiplied by these factors:
- 2 strands, factor of 1.7,
- 3 strands, 2.5,
- 4 strands, 3.3.
Type of Driven Load |
Type of Input Power |
||
Internal Combustion Engine With Hydraulic Drive |
Electric Motor Turbine |
Internal Combustion Engine |
|
Smooth |
1.0 |
1.0 |
1.2 |
Moderate Shock |
1.2 |
1.3 |
1.4 |
Heavy Shock |
1.4 |
1.5 |
1.7 |