
EMMAR 08-B1 roller chain
- Brand
- EMMAR
- Category
- Power transmission
- Subcategory
- Roller chains
- Series
- BS
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Description
EMMAR 08-B1 belongs to roller chain, part of our Power transmission range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 08-B1 and any equivalents.
The 08-B1 is a single-strand roller chain built to the European BS standard, with a 12.7 mm (half-inch) pitch. It links parallel shafts in machines that need a steady transmission ratio, and its 8.51 mm rollers and 7.75 mm inner width match sprockets of the same standard. MR supplies this chain and can help you confirm the right one for your equipment.
In the 08-B1 code, 08 stands for the 12.7 mm pitch, B for the European series and 1 for single strand. The rollers run on bushings to cut wear. The chain comes in standard lengths and can also be assembled to your link count with connecting links and half links.
You will find the 08-B1 on low and medium power drives: machine tools, light conveyors, packaging equipment, mixers, pumps and fans. It also appears in food processing and assembly lines where motions must stay synchronized. Because it follows the BS standard, it is common on European-built machinery and as a replacement where 12.7 mm pitch sprockets are already in use.
When installing, check that both sprockets share the pitch and are aligned. Set tension so the slack side has a slight sag: too tight loads the bearings, too loose and the chain can jump. Lubricate with oil or grease according to speed and environment. To check wear, measure elongation; past 1.5%, replace chain and sprockets together to avoid premature wear.
For an equivalent, send the code 08-B1 or the dimensions of your current chain: pitch, inner width and roller diameter. A custom version with the number of links you need is also possible. MR Industrial Accessories LLC serves customers across the United States and in several Latin American countries, and can suggest equivalents and help you choose.
To request a quote, message us on WhatsApp or by email with the code and the number of meters or links. The team replies promptly.
Dimensions
- Standard
- BS / ISO 606
- Rows
- Single
- Roller Ø
- 8.51mm
- Inner width
- 7.75mm
Frequently asked questions
- What does 08-B1 mean in a roller chain?
- 08 is the 12.7 mm (half-inch) pitch under the European BS standard. B is the European series and 1 means single strand. It is a standard roller chain for power transmission.
- How do I check if my sprocket fits an 08-B1 chain?
- The sprocket must be for 12.7 mm pitch and BS standard. Check that the pitch diameter and tooth count match the chain. If unsure, send us the sprocket dimensions and we will advise.
- How often should the chain be lubricated?
- It depends on speed and environment. Under normal conditions, lubricate every 40 to 50 working hours. In dusty or high-temperature settings, do it more often and use a suitable lubricant.

