Roller chain 20B-2, pitch 31.75 mm (1 1/4"), BEA
Available product promotions:
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Weight7,33kg
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UPC Code5908453508447
Product Description
Roller chain 20B-2, pitch 31.75 mm (1 1/4"), BEA is a double-strand (duplex) roller chain with a pitch of 31.75 mm (1 1/4"), compliant with DIN 8187 / ISO 606.
BEA brand product.
Technical data
| Designation | 20B-2 (1 1/4") |
| Standard | DIN 8187 / ISO 606 |
| Pitch | 31.75 mm (1 1/4") |
| Inner width b1 | 19.56 mm |
| Roller diameter d1 | 19.05 mm |
| Pin diameter d2 | 10.19 mm |
| Plate height h2 | 26.40 mm |
| Plate thickness | 4.5/3.5 mm |
| Brand | BEA |
| Weight per metre | 7.20 kg |
| EAN | 5908453508447 |
Applications
It is used in drives of industrial and agricultural machinery, conveyors, feeders and workshop equipment.
Frequently asked questions
Which chain has a pitch of 31.75 mm (1 1/4"), a roller of 19.05 mm and an inner width of 19.56 mm?
It is the 20B-2 roller chain according to DIN 8187 / ISO 606, double-strand (duplex). If the measured chain has these dimensions, the matching product in the Ozdowski range is: roller chain 20B-2, pitch 31.75 mm (1 1/4"), BEA. The pitch is measured as the distance between the axes of adjacent pins.
Which sprockets does the 20B-2 chain work with?
With 20B sprockets with a pitch of 31.75 mm, designed for double-strand (duplex) chain according to DIN 8187 / ISO 606.
Which connecting link fits the 20B-2 chain?
The 20B-2 connecting link (spring clip link) with the same pitch of 31.75 mm. To obtain an odd number of pitches, use the 20B-2 offset link (cranked link).
How do I order a chain of the required length?
The chain is sold by the metre - state the number of metres in your order. To close the chain into a loop you need a connecting link (spring clip link) with the same designation.
When should the 20B-2 chain be replaced?
When the chain has elongated by approx. 3% of its nominal length (e.g. by 30 mm per metre), it starts to mesh poorly with the sprockets and accelerates their wear. The chain should then be replaced, and if the teeth are badly worn, the sprockets as well.
What does the lead time depend on?
When ordering, please check the current stock level of this chain - the lead time depends on it and is clearly stated according to the quantity available in each warehouse. The stock level is shown above the product price and may vary depending on the warehouse.
Product photos are for illustration purposes only.
Product Features
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Weight7,33kg
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UPC Code5908453508447