Roller Chain Size Calculator
Here’s a comprehensive table on roller chain sizes, including important specifications and details. Roller chains are commonly used in various applications for power transmission, and understanding the specifications can help you select the right chain for your needs.
Roller Chain Size Specification Table
| Chain Size | Pitch (inches) | Inner Width (inches) | Roller Diameter (inches) | Pin Diameter (inches) | Max Load (lbs) | Weight (lbs/ft) | Standard |
|---|---|---|---|---|---|---|---|
| #25 | 1/4 | 0.160 | 0.375 | 0.094 | 400 | 0.2 | ANSI B29.1 |
| #35 | 3/8 | 0.205 | 0.500 | 0.112 | 850 | 0.4 | ANSI B29.1 |
| #40 | 1/2 | 0.250 | 0.625 | 0.138 | 1,600 | 0.5 | ANSI B29.1 |
| #50 | 5/8 | 0.312 | 0.750 | 0.162 | 3,300 | 0.9 | ANSI B29.1 |
| #60 | 3/4 | 0.375 | 0.875 | 0.200 | 4,700 | 1.4 | ANSI B29.1 |
| #80 | 1 | 0.500 | 1.000 | 0.250 | 7,500 | 2.1 | ANSI B29.1 |
| #100 | 1 1/4 | 0.625 | 1.250 | 0.312 | 12,000 | 3.3 | ANSI B29.1 |
| #120 | 1 1/2 | 0.750 | 1.500 | 0.375 | 15,000 | 4.5 | ANSI B29.1 |
| #140 | 1 3/4 | 0.875 | 1.750 | 0.438 | 20,000 | 5.5 | ANSI B29.1 |
| #160 | 2 | 1.000 | 2.000 | 0.500 | 25,000 | 7.0 | ANSI B29.1 |
Key Terms Explained
- Pitch: The distance between the centers of two consecutive pins in the chain.
- Inner Width: The width of the chain that fits over the sprocket teeth.
- Roller Diameter: The diameter of the roller that facilitates the chain's movement.
- Pin Diameter: The diameter of the pin that connects the links.
- Max Load: The maximum load capacity of the chain, which varies with the application.
- Weight: The weight of the chain per foot, important for calculating shipping and handling.
- Standard: Indicates the standards by which the chain is manufactured.
Additional Considerations
- Material: Chains are often made from carbon steel, stainless steel, or other materials depending on the application and environmental conditions.
- Lubrication: Proper lubrication is essential for reducing wear and extending the lifespan of the chain.
- Tensioning: Maintaining proper tension is crucial for efficient operation and to prevent chain slippage or damage.
Applications
- Conveyor systems
- Agricultural machinery
- Automotive and industrial machinery
- Robotics and automation systems
Conclusion
When selecting a roller chain, consider the application, load requirements, and environmental conditions. Always refer to the manufacturer's specifications for the best results.