Illustrative drawing. Actual product is confirmed to your specification at quotation.
Chains
British and ISO Roller Chains (B series)
B series roller chain has metric dimensions and is common on European machinery. Its chain numbers differ from ANSI numbers, and the two are not always interchangeable even at the same pitch, so check the roller diameter and inner width.
- Metric pitch dimensions
- Simplex, duplex and triplex
- Common spare for imported machines
Specifications
- Material
- Carbon steelAlloy steel
- Type
- Simplex
- Size / section / duty
- Up to 12.7 mm pitch15.875 to 25.4 mm pitch31.75 to 50.8 mm pitch
- Standards
- ISO 606
Exact sizes, brands and availability are confirmed at quotation. Send the code or a photo of the old part.
Applications
- European-origin machinery and spares
- Printing, packaging and textile machines
- Industrial gearboxes and drives
- Material handling
Technical reference
ISO / British standard (B series) roller chain dimensions (ISO 606)
| ISO No. | Pitch (mm) | Roller diameter (mm) | Inner width (mm) |
|---|---|---|---|
| 06B-1 | 9.525 | 6.35 | 5.72 |
| 08B-1 | 12.7 | 8.51 | 7.75 |
| 10B-1 | 15.875 | 10.16 | 9.65 |
| 12B-1 | 19.05 | 12.07 | 11.68 |
| 16B-1 | 25.4 | 15.88 | 17.02 |
| 20B-1 | 31.75 | 19.05 | 19.56 |
| 24B-1 | 38.1 | 25.40 | 25.40 |
| 28B-1 | 44.45 | 27.94 | 30.99 |
| 32B-1 | 50.8 | 29.21 | 30.99 |
Single-strand dimensions. B series chains are common on European machinery. Confirm the exact chain number on your existing chain.
Related and matching products
Request a quote for British and ISO Roller Chains (B series)
Give us the code, size, brand and quantity, or a photo of the old part. We reply within one business day.
Common questions
- Which sizes of british and iso roller chains (b series) do you supply?
- We supply british and iso roller chains (b series) across the size range (Up to 12.7 mm pitch, 15.875 to 25.4 mm pitch, 31.75 to 50.8 mm pitch). Send the code, dimensions or a photo of the old part and we confirm the match, availability and lead time at quotation.
- Which standards apply to british and iso roller chains (b series)?
- Common standards are ISO 606. Tell us the standard you need and we will quote to it.
- Which brands can you supply?
- We supply Fenner, PIX and equivalent brands, and can quote alternatives where the application allows. Tell us your preferred brand and we confirm what is available.
- Can you supply in bulk or ship Pan India?
- Yes. We quote for single pieces and scheduled bulk supply, and ship Pan India. Confirm the quantity when you request a quote.
Need a quote on bulk or custom industrial supply?
Share your specifications and quantities — our technical team will respond with pricing and lead time within one business day.