DONGHUA ASA 120/2 roller chain

DONGHUA ASA 120/2 is a reference of roller chain, within Power transmission. Request a quote for ASA 120/2 via WhatsApp or email with the quantity you need; we respond promptly with the quote and equivalents.

The ASA 120/2 chain is a roller chain with a 38.1 mm pitch, a 22.23 mm roller diameter and a 25.4 mm inner width. It is used to transmit power between parallel shafts in industrial equipment, with the advantage of being a standard, replaceable component. DONGHUA manufactures it within its ASA line, and MR Accesorios Industriales sells it. It is a reliable option for those looking for a robust chain that is easy to replace.

This item is a single-strand roller chain from the ASA series, designated ASA 120/2. Its main attributes are: 38.1 mm pitch, 22.23 mm roller diameter and 25.4 mm inner width. The 120 designation indicates the size within the ASA series, and the /2 suffix corresponds to single-strand chain (one row). DONGHUA produces it under ASA/ANSI standards, which ensures interchangeability with other standard components of the same series.

Typical applications of an ASA 120/2 chain include power transmissions in agricultural machinery, conveyors, elevators, mining equipment and drive systems in industrial plants. Due to its pitch and strength, it is used in equipment that needs to transmit moderate torque at high speeds, provided that mounting and lubrication are adequate. It is also used as a replacement chain in production lines where operational continuity is critical.

To correctly select and mount this chain, verify that the pitch matches that of the existing sprockets (38.1 mm) and that the inner width is compatible with the sprocket. Check shaft alignment, proper tension and the lubrication recommended by the manufacturer. If the chain operates in a dusty or humid environment, consider specific guards or lubricants. The ASA series allows standard links and accessories to be combined, which makes assembly easier.

If you need an equivalent, the most practical thing is to send us the part number ASA 120/2 or the full designation shown on the chain. You can also tell us the pitch, roller diameter and inner width you need, and we will quote the option in DONGHUA or another brand from the ASA series. At MR Accesorios Industriales we can advise you on power transmission.

To request a quote for this DONGHUA ASA 120/2 chain, send the part number by WhatsApp to MR Accesorios Industriales. We will reply with the alternatives that best suit your equipment. If you have doubts about compatibility, attach a photo of the nameplate or of the used chain and we will review it together.