Transmissions
Chain Sprockets
Pilot Bore Sprockets
3/4inch Pitch (12B1, 12B2, 12B3) Pilot Bore Sprockets
12B3 - 3/4inch Triplex Chain Sprockets
Quick Code: BB-20876
6TR40 Pilot Bore Chain Sprocket 12B3
![6TR40 Pilot Bore Chain Sprocket 12B3](https://thumbnails.bearingboys.co.uk/12B3_-_3_4inch_Triplex_Chain_Sprockets-cat-1797-cat.jpg)
![](https://thumbnails.bearingboys.co.uk/12B3_-_3_4inch_Triplex_Chain_Sprockets-cat-1797-cat.jpg)
![](https://thumbnails.bearingboys.co.uk/12B3_-_3_4inch_Triplex_Chain_Sprockets-cat-1797-cat2.jpg)
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Product Specification
Boss Dia
130mm
Number of Teeth
40
Outside Dia
251.3mm
Overall Length
70mm
Pitch
3/4inch
Reference
6TR40
Brand
Medway
Quick Order Code
BB-20876
Product Description
12B3 British standard roller chain sprocket
![](https://www.bearingboys.co.uk/uploads/pilot bore triplex sprocket.png)