Sprocket 28B-1 z=32 with hub
Available product promotions:
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Weight44kg
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UPC Code5908453543424
Product Description
Sprocket 28B-1 z=32, with hub
Sprocket 28B-1 with hub, 32 teeth, simplex - a product matched to chain with a pitch of 44.45 mm (1 3/4"). As a European manufacturer, Ozdowski supplies the sprocket in C45E steel (EN 10083-1), in accordance with DIN 8187 / ISO 606 - a version without tooth hardening, cheaper than the hardened variant and sufficient for many typical industrial applications.
Technical data
| Chain | 28B-1 (simplex) |
| Pitch | 1 3/4" / 44.45 mm |
| Number of teeth (z) | 32 |
| Outside diameter (De) | 472 mm |
| Pitch diameter (Dp) | 453.49 mm |
| Hub outer diameter (d) | 180 mm |
| Pilot bore diameter (D) | 30 mm |
| Overall hub height (A) | 75 mm |
| Weight | 44 kg |
| Material | C45E steel (EN 10083-1), unhardened teeth |
Frequently asked questions
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 the hub of a sprocket have a different hardness from the toothed rim?
Yes, and in practice this is usually the case - in the version with induction-hardened teeth, only the toothed rim is hardened, while the hub remains soft so that it can be freely turned and a keyway can be cut in it. This solution combines tooth wear resistance with ease of machining the hub.
How should large-diameter sprockets be transported and stored to prevent deformation?
Large sprockets are best stored and transported lying flat on a level, stable surface, rather than resting on the toothed rim alone, which is more susceptible to local deformation. When lifting, it is advisable to use slings passed through the hub bore rather than hooking them onto individual teeth.
Can a sprocket be reconditioned, e.g. by hardfacing worn teeth?
Technically, hardfacing and re-milling the teeth is possible, but in practice it is rarely cost-effective - the cost of reconditioning is often close to the price of a new sprocket, and restoring the full precision of the tooth profile requires specialist machining. In most cases, replacing it with a new sprocket is the quicker and safer solution.
Where is this product used?
Applications include drives in the food industry, packaging machines, sorting lines and agricultural harvesting machines, where the sprocket operates seasonally but under full load.
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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Weight44kg
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UPC Code5908453543424