- Anti-corrosion materials - Very low wear - BoWex® Junior - Maintenance free - 2 part construction - Curved teeth - Material: Nylon - Working temp.: -25°C to +100°C - Bore and keyway acc DIN6885/1-JS9, fixing screw supplied - Max. speed: 6000 rpm - Low weight and low inertia - Axial plug-in assembly Info - ØD is a non-operational surface and is not truly circular