Roller chain EMMAR 04-B1

EMMAR 04-B1 is a roller chain reference, within Power transmission. Request a quote for 04-B1 via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The 04-B1 chain is a small-pitch roller chain within the European standard BS, designed to transmit motion in tight spaces where a larger-section chain does not fit. It is used in precision mechanisms, laboratory equipment, office machines, and light drives. At MR Accesorios Industriales we handle it as part of our power transmission line, along with sprockets, bushings, and lubricants for complete assembly of the unit.

This item is a roller chain of the BS series, identified with the code 04-B1. Its published attributes are roller diameter of 4 mm and inner width of 2.8 mm. That combination places it in the smallest range of the European standard, with minimum-section links. The suffix B1 indicates single chain: a single row of plates, not duplicated. To confirm pitch, number of links, or working load, consult the manufacturer's technical data sheet against the exact code.

Typical applications of a 04-B1 chain appear where movements need to be synchronized with little space and moderate loads: feed mechanisms in desktop machines, measuring equipment, miniature conveyors, light automatic doors, and laboratory prototypes. It is also found in small machine tools and in drives where the reduced pitch allows high transmission ratios without taking up volume. It is not a chain for heavy power transmission or for environments with intense abrasion.

To select it, verify that the pitch and inner width match the available sprocket. A small-pitch chain requires sprockets with the same standardized pitch and careful alignment between shafts: any angular or parallel misalignment accelerates wear on rollers and plates. Lubrication also differs from large chains: a fluid lubricant that penetrates the bushings and is applied frequently is advisable. Tension the chain with the sag recommended by the equipment manufacturer, without leaving it excessively tight.

If you need an equivalent or a nearby size, the most practical thing is to send us the complete code, a photo of the chain, and, if possible, the pitch measured between rollers and the inner width. With that data we can locate the corresponding BS variant or move to an immediately larger section if space allows. It is also advisable to indicate whether the chain works with its own sprocket or whether the complete pair must be obtained. This way we avoid returns due to differences in pitch or width.

At MR Accesorios Industriales we sell BS chains and also manufacture ANSI chains and pulleys (sheaves), in addition to split plummer block housings. If you already have the code 04-B1 at hand, send it via WhatsApp along with the quantity and length you need. Our technical team reviews the inquiry and responds with the corresponding quote, straightforwardly.