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When a roller chain snaps mid-project or wears out on a conveyor, agricultural machine, or industrial drive system, finding the right connecting link fast is critical. These roller chain links with bent ear are designed for engineers, maintenance technicians, and serious DIYers who need a dependable, drop-in replacement that holds under load without improvisation.
Each link is machined from carbon steel with a zinc-plated or natural steel finish (see variant options for exact finish). Available in four standard pitch sizes — 08B (12.7 mm / 0.500 in), 10A (15.875 mm / 0.625 in), 12A (19.05 mm / 0.750 in), and 16A (25.4 mm / 1.000 in) — and four hole configurations: Single Side Single Hole, Single Side Double Hole, Single Hole Both Sides, and Double Side Double Hole. Sold in quantities of 1, 2, or 5 pieces per order.
Typical use cases include repairing drive chains on agricultural equipment such as tillers and harvesters, maintaining conveyor belt systems in light industrial settings, and replacing worn connecting links on go-karts, motorcycles, and power transmission machinery where roller chain connecting links with bent ear attachment points are required.
Choose from 08B (12.7 mm), 10A (15.875 mm), 12A (19.05 mm), or 16A (25.4 mm) to match your existing roller chain exactly — no adapters needed.
Single Side Single Hole, Single Side Double Hole, Single Hole Both Sides, and Double Side Double Hole styles let you match the attachment geometry your application demands.
Manufactured from carbon steel for tensile strength and wear resistance across typical drive and conveyor chain applications with pitch loads up to the rated capacity of each chain series.
The bent ear (extended tab) design provides a secure mounting surface for fixtures, attachments, or guides — ideal for conveyor flights, agricultural chain attachments, and custom drive assemblies.
Order 1, 2, or 5 pieces per variant to match your maintenance stock needs — whether you need a single emergency replacement or a small batch for scheduled servicing.
Dimensioned to ISO/ANSI roller chain standards so these connecting links install with standard chain tools — no modification to the chain or sprocket required.
| Product Type | Roller Chain Connecting Link with Bent Ear |
|---|---|
| Chain Standard | ISO / ANSI Roller Chain |
| Available Pitch Sizes | 08B (12.7 mm / 0.500 in), 10A (15.875 mm / 0.625 in), 12A (19.05 mm / 0.750 in), 16A (25.4 mm / 1.000 in) |
| Hole Styles | Single Side Single Hole, Single Side Double Hole, Single Hole Both Sides, Double Side Double Hole |
| Material | Carbon Steel |
| Surface Finish | See variant options |
| Chain Strands | Simplex (single strand) and Duplex (double strand) configurations |
| Pack Quantity | 1 PCS / 2 PCS / 5 PCS (select above) |
| Weight per Unit | See variant options |
| Application | Power transmission, conveyor systems, agricultural machinery, industrial drives |
Measure the distance between the centers of two adjacent pins on your existing chain — this is the pitch. Match it to one of the four available sizes: 08B = 12.7 mm (0.500 in), 10A = 15.875 mm (0.625 in), 12A = 19.05 mm (0.750 in), 16A = 25.4 mm (1.000 in). If you are unsure, check the chain manufacturer's stamping on the side plate, which typically includes the chain designation (e.g., "08B" or "40" for ANSI equivalent).
Single Side Single Hole has one attachment hole on one side plate only — suitable for simple single-point fixtures. Single Side Double Hole has two holes on one side for more secure or dual-point attachment. Single Hole Both Sides places one hole on each side plate for symmetric mounting. Double Side Double Hole provides two holes on each side plate, offering the most attachment points for heavy-duty conveyor flights or complex fixtures.
Yes. The product range covers both simplex (single-strand) and duplex (double-strand) roller chain configurations. Verify the strand count of your existing chain and select the matching variant. These links are not designed for triplex or silent chain applications.
The links are manufactured from carbon steel and dimensioned to ISO/ANSI roller chain standards, meaning their tensile strength is consistent with the rated breaking load of the corresponding chain series. For exact load ratings by pitch and strand, refer to the ISO 606 or ANSI B29.1 standard for your chain designation. Do not exceed the rated working load of the chain series.
Carbon steel connecting links have moderate corrosion resistance. For outdoor or wet environments, regular lubrication with a chain-compatible oil or grease is recommended to extend service life. If your application involves continuous moisture exposure, consider pairing with a sealed or stainless-steel chain system. The surface finish (see variant options) may provide additional protection.
No special tools beyond a standard roller chain breaker/press tool are required. The links are dimensioned to ISO/ANSI standards and install the same way as any standard connecting link — press the pin through the outer plate, fit the side plate, and secure with the clip or cotter pin (included or use your existing hardware). Always follow safe chain assembly practices and ensure the chain is de-tensioned before installation.
Yes. Roller chain connecting links with bent ear are widely used in agricultural drive chains for tillers, harvesters, seeders, and similar equipment. Select the pitch that matches your machine's chain specification. The bent ear attachment points are particularly useful for mounting chain guides or crop deflectors on agricultural conveyors.
