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ANSI #120-3 Roller Chain

  • Categories: Triple Strand Roller Chains
  • Brand: HXST-Drive
  • Model: ANSI 120-3 Roller Chain
  • Material: Carbon Steel
  • Color: Natural
  • Surface Treatment: Shot Peening /Heat Treatment/Plating/Lubrication
  • Accuracy: High Precision Roller Chain
  • Quality: Durable Roller Chain
  • Interchangeability: Directly Interchangeable With Other Brands
  • +86 15336786278
    jake@hxstdrive.com
    • Product Introduction

    Product Introduction


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    About #120-3 Triple Roller Chain

    #100-3 triple-strand roller chain complies with ANSI B29.1 standard, featuring a 31.75mm pitch for ultra-heavy power transmission. Manufactured from high-quality alloy steel with professional heat treatment, it boasts high breaking strength, superior wear resistance and reliable anti-fatigue performance under sustained heavy loads.

    Precision processed pins, bushings and rollers enable smooth engagement with sprockets, effectively reducing friction and chain elongation during long-running operation. Every chain is pre-stretched prior to delivery to guarantee dimensional stability and prolonged service life.

    Ideal for heavy conveyors, mining machinery, large agricultural equipment and industrial heavy-duty drive systems. Stainless steel and heavy-duty customized variants are offered to fit humid, dusty or corrosive working conditions.

    ANSI #120-3 Roller Chains  Dimension


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  • Pitch (P): 38.1mm

  • Roller diameter (d1): 22.23mm

  • Width between inner plates (b1): 25.22mm

  • Pin diameter (d2): 11.1mm

  • Pin length (L): 141.4mm

  • Pin length (Lc): 145.2mm

  • Inner plate depth (h2): 35.7mm

  • Plate thickness (T): 4.8mm

  • Transverse pitch (Pt): 45.44mm