About 72B-3 Roller Chain
72B-3 triplex roller chain meets ISO 606 standard with 114.3mm pitch. Made of high-strength alloy steel with precise heat treatment, it features superior tensile strength and wear resistance for extreme heavy loads. It is widely used in mining, cement, metallurgy and heavy conveying equipment. We provide standard chains, connecting links and offset links. Custom surface treatment options are available for severe working conditions.
Metric 72B-3 Roller Chains Dimension
Pitch (P): 114.3mmRoller diameter (d1): 72.39mmWidth between inner plates (b1): 68.58mmPin diameter (d2):44.48mmPin length (L): 420mmPin length (Lc): 429mmInner plate depth (h2): 103.6mmPlate thickness (t/T): 17/15mmTransverse ptich (Pt）: 136.27mm
