Sprocket 12B-1 z=33 with hub, hardened
Available product promotions:
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Weight4,087kg
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UPC Code5908453541642
Product Description
Sprocket 12B-1 z=33, hardened hub
Sprocket 12B-1, simplex, with 33 teeth and a hardened hub - pitch 3/4" (19.05 mm). Made in accordance with DIN 8187 / ISO 606, from C45E steel (EN 10083-1), with teeth induction hardened to 45-55 HRC - as a Polish manufacturer, Ozdowski ensures that the hub remains soft and suitable for turning.
Technical data
| Chain | 12B-1 (simplex) |
| Pitch | 3/4" / 19.05 mm |
| Number of teeth (z) | 33 |
| Outside diameter (De) | 209.3 mm |
| Pitch diameter (Dp) | 200.40 mm |
| Hub outer diameter (d) | 100 mm |
| Pilot bore diameter (D) | 20 mm |
| Overall hub height (A) | 40 mm |
| Weight | 4.087 kg |
| Material | C45E steel (EN 10083-1), teeth induction hardened 45-55 HRC |
Frequently asked questions
Can a sprocket be welded directly to the drive shaft?
Technically this is possible, but we strongly advise against such a solution. Welding overheats the material, damages nearby bearings, bends the shaft and prevents the worn sprocket from being easily replaced later. Always use mounting with a key or a clamping bush.
How does uneven tooth wear affect machine vibration?
Worn teeth cause the so-called polygon effect - the chain drops off and climbs onto the teeth abruptly, which transmits vibrations to the shafts, destroys the bearings and leads to cracking of welds in the machine.
When is it worth using a clamping bush (Taper Bush) for a sprocket?
Wherever fast assembly matters. A clamping bush eliminates the need for laborious boring of the hub and cutting of a keyway - you insert the sprocket, tighten the screws and the machine is back in operation within minutes.
Can a sprocket with a technological bore be installed without additional machining?
No - the technological bore is deliberately too small to fit a typical shaft. It must be bored on a lathe to the required diameter and, if necessary, a keyway cut according to the requirements of the specific machine.
Where is this product used?
This type of sprocket is used in drives of agricultural and industrial machinery, including screw and bucket conveyors, feed conveyors, packaging machines and internal transport systems.
When placing your order, please check the current stock level of this gear - the lead time depends on it and is clearly stated according to the quantity available in the given warehouse.
Product photos are for illustrative purposes only.
Product Features
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Weight4,087kg
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UPC Code5908453541642