Koła segmentowe zwykłe SR / SUR 

Plain segmented chain wheels for use with HV and DS - round steel chains resp. chain ends acc. to DIN 764 and DIN 766. Drive - and tail wheels with replaceable segments made from high resistant chilled cast iron; hardness 400 - 450 HB30; many times the service life of gray cast wheels. The segments can be replaced without demounting the chain. Chain wheels SR are used for back mounted buckets; Chain wheels SUR are used for back mounted buckets as well side mounted buckets with chain shackles acc. to DIN 5699. Hubs are made from gray cast GGN without cleaning slots resp. steel hub STN with cleaning slots. The max. bore diameter is limited for gray cast hubs GGN and has to be specified; for larger bore diameters steel hubs STN must be used. Bore diameter and key size as specified by the customer.