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Timing Belt Pulley PolyChain (28 products containing 156 Items)


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  • ERIKS item #:     805971

     
    Price (Per piece):
    €324.39
  • ERIKS item #:     803588

     
    Price (Per piece):
    €60.11
  • ERIKS item #:     803448

     
    Price (Per piece):
    €26.60
  • ERIKS item #:     803820

     
    Price (Per piece):
    €34.34
  • ERIKS item #:     804339

     
    Price (Per piece):
    €94.42
  • ERIKS item #:     804231

     
    Price (Per piece):
    €53.33
  • ERIKS item #:     805904

     
    Price (Per piece):
    €212.09
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A PolyChain toothed belt drive is currently the strongest toothed belt drive available. A PolyChain drive can be used at extremely high torques in combination with a low speed. Since the introduction of the PolyChain Carbon Volt toothed belt, it is even possible to use this toothed belt for heavy-duty drives of this type in potentially explosive environments. That is because the PCCV toothed belt is the only polyurethane toothed belt on the market that complies with ATEX guidelines.


Most PolyChain toothed belt pulleys are supplied as standard in a clamping bush variant, also known as a taper or taperlock variant. However, some sizes are supplied in a pre-drilled variant. These models must first be provided with a bore hole and possibly with a key way and a threaded hole. The clamping bush variant is already equipped as standard with a conical bore and threaded bores for mounting the bush on the shaft and is always used in conjunction with the associated clamping bush. Clamping bushes are available with various bore holes and key ways in metric and imperial sizes; the matching (socket head) screws also come with the bushes. The major advantages with using a clamping bush lie in the fact that the pulley does not have to be modified beforehand and that mounting and removal are very simple.


PolyChain toothed belt pulleys are primarily made of steel or cast iron (GG). But if the ambient conditions require, these pulleys can also be made from another material (e.g. stainless steel) or can be supplied with an additional surface treatment. Furthermore, we supply toothed belt pulleys to match customer specifications, and in our turning shop we can machine pulleys according to customer requests or designs.


Several factors determine which toothed belt type is best suited to a particular drive, for example the application (what is being driven?), the power to be transferred, the desired speed (acceleration or deceleration) as well as the centre distance of the pulleys. It is also important to know what ambient conditions are present and whether there are any space limitations (what is the maximum permissible diameter and width of the pulleys?).


Common standards for toothed belt drives are DIN7721 and ISO5294. Finally, it is important whether the drive needs to be static-conductive to meet ISO9563 (ATEX environments).