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Premier Series #25-3 roller chain is a premium ANSI 25-3 triple strand chain that is manufactured dimensionally to ANSI B29.1 specifications. The basic function of a roller chain is to transport mechanical power to the highest degree possible, the Premier Series selection of roller chains set the bar for this degree by providing superior strength, performance, and precision. Made from high-strength premium-grade steel, high-precision components that have been individually heat-treated shot-peened, and inspected for quality assurance, then assembled by being precisely riveted together this chain is manufactured to last.
Premier Series 25-3 Roller Chain Features
 | Cold-Forged Solid Bushings made to precise roundness for greater strength and performance versus the standard split-bushing design. |  | Heat-Treated Parts (including pins) for added strength and surface hardness that results in longer working life. |  | Shot Peened Parts to alleviate stress concentrations and increase strength. |  | Wide-Waste Side-Plates for added fatigue resistance and reduction in progressive elongation. |  | Factory Preloading is the final process that results in a great reduction of stretch and ensures all components are properly aligned.
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More specifically triple strand #25-3 roller chain has a 1/4" (0.25") pitch and is the smallest sized roller chain in the ANSI lineup. It can be found in applications such as robotics, small drives, sorting machines, agricultural, plant machinery, and many more. The Premier Series 25-3 triplex chain offers an industry-leading high tensile strength of 3,150 LBS and a 320 LBS maximum working load. Something important to note about these two measurements is that tensile strength is the load in which the chain can be expected to break under certain conditions and working load is the maximum safe operating force for the day-to-day operation and is calculated taking many variables into consideration.
Premier Series 25-3 Roller Chain Specifications
- ANSI Chain Size: 25-3
- Tensile Strength: 3,150 LBS
- Working Load: 320 LBS
- Pitch (P): 0.250"
- Bushing Diameter (D1): 0.125"
- Width Between Inner Plates (B1): 0.125"
- Pin Diameter (D2): 0.091"
- Chain Pin Length (LR): 0.86"
- Connecting Link Pin Length (LC): 0.96"
- Inner Plate Height (H2): 0.24"
- Plate Thickness (T): 0.030"
- Chain Weight: 0.27 LBS/ FT
 Download Premier Series Information PDF
Typically #25-3 roller chain is supplied in 10ft boxes including one connecting link (master link). Besides 10ft boxes, we supply this chain in 50ft reels, 100ft reels, and 250ft reels. Cut to length strands of Premier Series 25-3 roller chain can be supplied upon request as well. For more information or to get a quote please contact our customer support staff and we will be happy to assist you.
- ANSI Chain Size: 25-3
- Tensile Strength: 3,150 LBS
- Working Load: 320 LBS
- Pitch (P): 0.250"
- Bushing Diameter (D1): 0.125"
- Width Between Inner Plates (B1): 0.125"
- Pin Diameter (D2): 0.091"
- Chain Pin Length (LR): 0.86"
- Connecting Link Pin Length (LC): 0.96"
- Inner Plate Height (H2): 0.24"
- Plate Thickness (T): 0.030"
- Chain Weight: 0.27 LBS/ FT
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80-3 roller chain 
