Nitro™ 20B-2 double metric roller chain is manufactured to ISO 606, BS 228 and DIN 8187 industry standards. 20B-2 is a double strand (Two Row) British Standard roller chain with a 31.75mm (1-1/4") pitch. Our highly quality metric roller chain is manufactured from quality raw materials that undergoes precision heat treatment and shot peening.
20B-2 Roller Chain Dimensions
Inner Width (b1):19.56mm
Roller Diameter (d1):19.05mm
Overall Width (L):77.80mm
Pin Diameter (d2):10.19mm
Link Plate Height (h2):26.40mm
Link Plate Thickness (T):3.5mm/4.50mm
Transverse Pitch (Pt):36.45mm
Average Tensile Strength:52,911 lbs
Max Working Load:6,945 lbs
No. Of Pitches/Links Per 10 Feet:96
No. Of Connecting Links Included:1
Industry Standard:ISO 606, DIN 8187, BS 228
Product Care & Maintenance
Maintenance and lubrication is crucial in the overall performance and life span of roller chain. Proper lubrication will reduce abrasion, chain wear, friction, noise and keep chains running cooler at higher RPM's. You can download the Nitro Roller Chain Care below.