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08B-G2 Rubber Top Chain
Double-strand ISO 08B roller chain with vulcanised rubber top pad · 12.7 mm pitch · 32.0 kN tensile strength · Carbon steel and stainless steel · NBR / NR rubber grades available
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Materials and options
What is the 08B-G2?
08B = ISO series, 12.7 mm (½″) pitch — the most widely stocked size globally, meaning matching sprockets are readily available. G = rubber top attachment. 2 = double-strand construction: two parallel rows of link plates and rollers on shared pins, delivering roughly twice the tensile strength of the 08B-G1 single-strand variant.
The rubber top pad is vulcanised directly onto the outer plate of each link, projecting above the pitch line to contact the load or conveyed object. NBR is the default for oil and grease resistance; NR offers superior resilience on dry surfaces. Both compounds come in two hardness grades, allowing engineers to tune friction coefficient and compression set to their specific application.
We manufacture this chain from alloy steel as standard, with stainless steel (SS304 / SS316) available for washdown, food-grade, or corrosive environments. All steel stock carries mill certificates traceable to heat number.
Key advantages
Vulcanised rubber surface increases friction against conveyed goods, eliminating slip on inclined or variable-speed runs.
Rubber absorbs impact at every link engagement — typically 3–8 dB quieter than bare steel chains. Essential for food, pharma, and packaging lines.
Pad cushions contact forces, reducing surface scoring on both chain and product, extending maintenance intervals and lowering total cost of ownership.
Two parallel strands on shared pins deliver 32.0 kN minimum tensile — suitable for shock-loaded systems and heavy conveying applications.
Rubber top shields outer plates from dust, wood chips, and moisture ingress — proven in woodworking, plywood production, and outdoor installations.
Alloy or stainless steel, NBR or NR rubber, two hardness grades — fully configurable to your duty and environment. OEM specifications accepted.
Typical applications
Matching sprockets
Use standard 08B double-strand (duplex) sprockets with a 12.7 mm (½″) pitch. Key parameters to verify before ordering:
Strand: double (duplex)
Profile: ISO 606 / DIN 8187
Tooth count: 9T–120T available
Material: carbon steel · cast iron · SS
We stock and manufacture matching 08B duplex sprockets bored to your shaft size and keyway dimensions. Contact us with tooth count and shaft diameter for a combined chain-and-sprocket quotation.
Our quality process
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