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When a worn or undersized roller chain causes slippage, noise, or unexpected downtime on your conveyor, gearbox, or workshop machine, finding the right replacement quickly matters. This listing covers a full range of ISO-standard roller chains — from the compact 04C simplex up to the heavy-duty 16B duplex — giving engineers, maintenance technicians, and serious DIY builders a single source for the chain model they need.
Each chain is constructed from carbon steel plates, precision-ground pins, and hardened rollers. The simplex (single-row, suffix -1) variants span pitch sizes from approximately 6.35 mm (1/4 in) for 04C up to 25.4 mm (1 in) for 16A/16B, while duplex (double-row, suffix -2) variants double the load capacity within the same pitch envelope. All chains are supplied in a standard 1.524 m (5 ft / 60-link) length, ready to cut and connect with a standard connecting link.
Typical applications include light conveyor drives (04C–06C), agricultural and general-purpose machinery (08A–10B), industrial gearbox output drives (12A–12B), and heavy-duty power transmission on construction or packaging equipment (16A–16B). Long-tail use cases include replacement roller chain for go-kart drives, mini-bike chains, and workshop bandsaw drives where an exact ISO pitch match is required.
| Chain Standard | ISO 606 / DIN 8187 (B-series); ANSI B29.1 (A-series) |
|---|---|
| Available Models | 04C-1, 05B-1, 06B-1, 06C-1, 08A-1, 08B-1, 10A-1, 10B-1, 12A-1, 12B-1, 16A-1, 16B-1, 06B-2, 06C-2, 08A-2, 08B-2, 10A-2, 10B-2, 12A-2, 12B-2, 16A-2, 16B-2 |
| Pitch Range | 6.35 mm – 25.4 mm (1/4 in – 1 in) depending on model |
| Row Configuration | Simplex (single-row, -1) / Duplex (double-row, -2) |
| Supply Length | 1.524 m (5 ft / approx. 60 links, varies by pitch) |
| Material | Carbon steel plates, pins, bushings, and rollers |
| Surface Treatment | Factory oil-coated for corrosion protection |
| Tensile Strength | See variant options |
| Roller Diameter | See variant options |
| Inner Plate Width | See variant options |
| Connecting Link | Standard spring-clip or cotter-pin connecting link (sold separately) |
| Lubrication | Manual lubrication recommended; oil-bath or drip lubrication for continuous high-speed operation |
Simplex (single-row) chains are suitable for standard power transmission where the drive sprocket and driven sprocket are aligned on a single plane. Duplex (double-row) chains carry approximately twice the working load of the equivalent simplex chain within the same pitch, making them the right choice when torque demands are high but space constraints prevent moving to a larger pitch. If your existing drive uses a duplex sprocket, you must select a duplex chain.
Measure the distance between the centers of three consecutive pins and divide by two — that is your pitch. Common pitches in this listing: 04C = 6.35 mm, 05B = 8 mm, 06B/06C = 9.525 mm, 08A/08B = 12.7 mm, 10A/10B = 15.875 mm, 12A/12B = 19.05 mm, 16A/16B = 25.4 mm. You can also read the chain model number stamped on the outer plate.
Yes, provided your sprocket is manufactured to ISO 606 (B-series) or ANSI B29.1 (A-series) tolerances and the model designation matches. For example, a 08B-1 chain fits an 08B sprocket. Always verify the sprocket's pitch, roller diameter clearance, and tooth profile before installing a replacement chain.
Tensile strength varies by model. As a general reference, ISO 606 specifies minimum breaking loads ranging from approximately 3.5 kN for 04C up to 170 kN for 16B duplex. Exact figures for each variant are available in the ISO 606 standard or upon request. For safety-critical applications, always apply an appropriate service factor (typically 7–10×) when calculating working load.
The factory oil coating provides short-term protection against oxidation during storage and initial use in sheltered environments. For continuous outdoor, wet, or chemically aggressive environments, we recommend applying a chain-specific lubricant or corrosion inhibitor after installation and at regular maintenance intervals. For highly corrosive conditions, consider stainless steel chain variants.
Yes. The 1.524 m strand can be shortened to any number of links using a chain breaker tool. After cutting, rejoin the ends with a standard connecting link (spring-clip or cotter-pin type) of the matching chain model. Ensure the final loop length matches your center-distance and tensioner range.
For low-speed or intermittent drives, manual lubrication with a brush or oil can applied to the inner plates every 8–40 hours of operation is sufficient. For continuous or high-speed drives, a drip oiler or oil-bath system is recommended. Use a SAE 30–40 non-detergent mineral oil or a dedicated chain lubricant. Avoid over-lubrication, which attracts abrasive particles and accelerates wear.
