Chain tensioning wheels with ball bearings

iwis chain tensioning wheels are supplied as a set with integrated ball bearings. The bearings are sealed on both sides and lubricated for life, so they are maintenance-free. The wide inner ring ensures perfect mounting without washers. Ball race and sprocket are press-fitted to guarantee a secure, permanent connection. The sprocket is made from steel with a mechanical strength of 490-600 N/mm2.

These tensioning wheels are suitable for roller chains from size 06 B-1 to 20 B-1. Chain tensioning wheels for duplex roller chains and roller chains to ANSI standard (DIN 8188) are available on request.