90-8M-20 (Type 6A, Cast Iron)
Timing Belt Pulley
Price without VAT: 1 464,50CZK
Price including VAT: 1 772,10CZK with VAT
Catalogue price excluding VAT:
1 494,00CZK
In Stock We update the stock availability information every 2 hours.
The goods we have in stock are usually ready for shipping or personal collection no later than the next working day. In case of personal collection, please do not come to pick the goods up before we contact you that the goods are ready.
Pulley Parameters
Pitch diameter of the pulley. It is commonly denoted as Dp or Dp.
Designed for further machining to the final dimension. The pre-drilled hole is therefore not machined to final tolerance for direct use. The size of the pre-drilled hole may vary according to the production batch.
This standardized product may come from different manufacturers. We will provide you with the currently supplied brand upon request.
In the TYMA Product Catalogues you can find this material also described with the abbreviation GG.
Pulley Description
90-8M-20 (Type 6A, Cast Iron) is a basic timing pulley for belts in HTD 8M profile. It is made from gray cast iron with a pilot bore. Its design is based on the ISO 5294 (DIN 7721) standard.
Pulleys are supplied as a semi-finished product and the inner hole needs to be adjusted to fix them on the shafts.
Pulley Fields of Use
The HTD 8M standard timing pulleys are designed for all types of HTD and RPP belts with tooth pitch 8.00 mm.
They are typically used in machine tools, small machinery, compressors, packaging, printing machines, in the food, paper and chemical industry and in many other machines.
Pulley Material
Steel or grey cast iron.
Other materials to order.
| Parameter | Standard |
|---|---|
| Surface roughness | ISO 254 |
| Balance quality grade | VDI 2060, ISO 1940 |
Caution
Cast iron pulleys at v < 30 m/s must be balanced.
Documents for Download
Dimensions and Parameters of HTD 8M Standard Pilot Bore Timing Pulleys
TYMA CZ Data Sheets
Czech and English (PDF 132.23 kB)
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Measuring Instruments
Our professional-quality special tools and measuring instruments will assist you in maintaining and fitting drive components.
