Steel C45. Grey cast iron GG22 from 38 teeth. Sprockets with hub one side for DIN ISO 606 roller chains. The sprockets have a centre bore or are predrilled (this can vary due to production methods). For this reason, the dimension D3 max. given in the table is the maximum diameter of the bore that the sprockets are supplied with. This pilot hole/centre bore can be customised with a reamed hole, reamed hole with keyway or a tapped hole by the customer. Alternatively, bushes can be fitted by the customer to reduce the diameter.
NORELEM FRANCE
France
Sprockets with hub one side for DIN ISO 606 roller chains. The sprockets have a centre bore or are predrilled (this can vary due to production methods). For this reason, the dimension D3 max. given in the table is the maximum diameter of the bore that the sprockets are supplied with. This pilot hole/centre bore can be customised with a reamed hole, reamed hole with keyway or a tapped hole by the customer. Alternatively, bushes can be fitted by the customer to reduce the diameter.
Request for a quoteNORELEM FRANCE
France
Ready to install sprockets with hub on one side for DIN ISO 606 roller chains. Teeth are milled and inductively hardened. Keyway acc. to DIN 6885 / BS 4235. The keyway is aligned with the tooth tip. With two grub screws. One tapped hole aligned with the keyway centre, the other offset by 90°.
Request for a quoteNORELEM FRANCE
France
Sprockets with hub one side for DIN ISO 606 roller chains. The sprockets have a centre bore or are predrilled (this can vary due to production methods). For this reason, the dimension D3 max. given in the table is the maximum diameter of the bore that the sprockets are supplied with. This pilot hole/centre bore can be customised with a reamed hole, reamed hole with keyway or a tapped hole by the customer. Alternatively, bushes can be fitted by the customer to reduce the diameter.
Request for a quoteNORELEM FRANCE
France
Sprocket steel. Ball bearing chrome steel. Screw and nut steel. Version Sprocket teeth hardened to HRC 50, electro zincplated. Ball bearing with sealing discs 2ZC3. Screw ISO 4017, grade 8.8, electro zincplated. Nut ISO 4035, grade 8, electro zincplated. Note For tensioning roller chains. The sprocket set can be combined with all tensioning elements to form a readytoinstall chain clamp. The ball bearings are sealed both sides, permanently lubricated and maintenancefree. The sprocket can be moved on the screw and thus adapted to the chain track. With the duplex and triplex version, precision spacer sleeves ensure correct chain guidance. Rigid mounting without a tensioning element is also possible. Can also be used as an idler sprocket.
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