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Single Strand Metric Roller Chain
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Single-Strand Metric Roller Chain (Simplex ISO Chain)

Single-strand metric roller chains are manufactured to ISO British standards and are designated typically within a catalog with a (-1) after the chain, Example: 06B-01. We supply size 03B-1 (5mm pitch) up to 56B-1 (88.9mm pitch) chain sizes along with the accompanying sprockets and accessories.

For quotes or additional information please contact us and we will be happy to assist you!


Single Strand Metric Chain Size Chart
Chain Size Pitch (P) Roller Width (W) Roller Diameter (D) Pin Diameter (E) Plate Height (H) C/L Width (A): Breaking Load Weight (Per Ft)
03B-1 5.0mm 2.5mm 3.2mm 1.49mm 4.1mm 7.4mm 2.4 kN 0.08 kg/m
04B-1 6.0mm 2.8mm 4.0mm 1.85mm 5.0mm 7.8mm 3.2 kN 0.12 kg/m
05B-1 8.0mm 3.0mm 5.0mm 2.31mm 7.1mm 8.9mm 5.9 kN 0.18 kg/m
06B-1 9.525mm 5.72mm 6.35mm 3.28mm 8.2mm 14.1mm 10.4 kN 0.41 kg/m
081B-1 12.7mm 3.3mm 7.75mm 3.66mm 9.9mm 10.2mm 9.97 kN 0.28 kg/m
083B-1 12.7mm 4.88mm 7.75mm 4.09mm 10.3mm 12.9mm 12.7 kN 0.42 kg/m
085B-1 12.7mm 6.38mm 7.77mm 3.58mm 9.9mm 14.0mm 12.26 kN 0.4 kg/m
08B-1 12.7mm 7.75mm 8.51mm 4.45mm 11.8mm 18.2mm 19.4 kN 0.7 kg/m
10B-1 15.875mm 9.65mm 10.16mm 5.08mm 14.7mm 20.9mm 27.5 kN 0.9 kg/m
12B-1 19.05mm 11.68mm 12.07mm 5.72mm 16.0mm 24.2mm 32.2 kN 1.3 kg/m
12BH-1 19.05mm 11.68mm 12.07mm 5.94mm 16.0mm 26.8mm 40.0 kN 2.0 kg/m
16B-1 25.4mm 17.02mm 15.88mm 8.28mm 21.0mm 37.4mm 72.8 kN 2.7 kg/m
20B-1 31.75mm 19.56mm 19.05mm 10.19mm 26.4mm 45.0mm 106.7 kN 3.6 kg/m
24B-1 38.1mm 25.4mm 25.4mm 14.63mm 33.4mm 57.8mm 178.0 kN 6.7 kg/m
28B-1 44.45mm 30.99mm 27.94mm 15.90mm 37.0mm 29.5mm 222.0 kN 8.3 kg/m
32B-1 50.8mm 30.99mm 29.21mm 17.81mm 42.2mm 71.0mm 277.5 kN 10.5 kg/m
40B-1 63.5mm 38.1mm 39.37mm 22.89mm 52.9mm 89.2mm 394.0 kN 16.0 kg/m
48B-1 76.2mm 45.72mm 48.26mm 29.24mm 63.8mm 107.0mm 621.6 kN 25.0 kg/m
56B-1 88.9mm 53.34mm 53.98mm 34.32mm 77.8mm 123.0mm 940.0 kN 35.0 kg/m
Sizes also available in stainless steel material.







Frequently Asked Questions

  • If your order is less than $300, no problem! Please give us a call at 407-347-3519 or email Sales@usarollerchain.com, and we will be happy to assist you!

  • USA Roller Chain utilizes an extensive network of vendors and warehouses to ensure you get your items quickly! Our primary roller chain warehouse is located in Clermont, FL, but we have warehouses located all across the United States. Your order will be shipped from the closest warehouse to you that has your requested product in stock. This speeds up transit times and saves you money on shipping! If you have any questions about where an item will ship from, please CONTACT US

  • In-stock items are typically shipped out in 1-3 business days.Made-to-order item lead times vary from 1-2 days up to 14-20+ weeks, depending on the product. If you need your items urgently, please let us know, and we will do our best to meet your required delivery date! If you have any questions, please CONTACT US

  • If you are having an issue with your order, please CONTACT US as soon as possible so we can resolve it for you.

    Most in-stock items can be returned within 30 days of the shipment date. MTO or Custom orders are not eligible for a return or refund. For a detailed explanation of our return policies, please click here.

  • Absolutely! We may be called "USA Roller Chain", but we ship worldwide! Please CONTACT US for Export/International quotes or orders.