Double Strand ANSI Roller Chain & Links
Double strand roller chain is also known as "Duplex" is a double roller chain. Our double roller chain is manufactured to exceed the industry standards to ensure our roller chain keeps you running!
- Meets and exceeds ANSI B29.1 Standards
- Roller chain components are shot peened for greater fatigue resistance
- Heat treated components for increased durability, longevity and wear resistance
- Chain is pre-loaded (Pre-stretched) to eliminate initial stretching.
- Chain components are lubricated before assembly, then dipped in a hot oil bath after assembly
- Riveted Construction
Double Strand Roller Chain subcategories
ANSI Double Strand Roller Chain Sizes
This chart covers all 14 ANSI sizes for double strand wide chain.
| Nitro Chain Number | Pitch | Inner Width | Roller Diameter | Overall Width | Pin Diameter | Plate Height | Plate Thickness | Transverse Pitch |
|---|---|---|---|---|---|---|---|---|
| # | P | b1 | d1 | L | d2 | h2 | T | Pt |
| 35-2* | 3/8 | 3/16 | 0.200 | 0.885 | 0.141 | 0.346 | 0.050 | 0.399 |
| 40-2 | 1/2 | 5/16 | 0.312 | 1.220 | 0.156 | 0.469 | 0.060 | 0.566 |
| 50-2 | 5/8 | 3/8 | 0.400 | 1.531 | 0.200 | 0.585 | 0.080 | 0.713 |
| 60-2 | 3/4 | 1/2 | 0.469 | 1.921 | 0.234 | 0.709 | 0.094 | 0.896 |
| 80-2 | 1 | 5/8 | 0.625 | 2.468 | 0.312 | 0.949 | 0.125 | 1.153 |
| 100-2 | 1-1/4 | 3/4 | 0.750 | 3.007 | 0.375 | 1.188 | 0.156 | 1.408 |
| 120-2 | 1-1/2 | 1 | 0.875 | 3.772 | 0.437 | 1.425 | 0.187 | 1.789 |
| 140-2 | 1-3/4 | 1 | 1.000 | 4.067 | 0.500 | 1.663 | 0.219 | 1.924 |
| 160-2 | 2 | 1-1/4 | 1.125 | 4.854 | 0.562 | 1.889 | 0.250 | 2.305 |
| 180-2 | 2-1/4 | 1-13/32 | 1.406 | 5.457 | 0.687 | 2.047 | 0.281 | 2.592 |
| 200-2 | 2-1/2 | 1-1/2 | 1.562 | 5.980 | 0.781 | 2.375 | 0.312 | 2.816 |
| 240-2 | 3 | 1-7/8 | 1.875 | 7.220 | 0.937 | 2.791 | 0.375 | 3.457 |
* Rollerless chain. d1 = Bushing diameter