18 High concentricity accuracy tested under axial load guaranteed by test report Through-hardened alloy tool steel centrepoint TOP-SEAL-SYSTEM protects the bearings from dirt and coolant Large-dimensioned precision roller bearings robust bearings to absorb the radial and axial forces. Maintenance-free due to permanent lubrication Housing of high tensile alloy tool steel. Housing and shank are case- hardened to protect from damage NC Series – a class on its own The BRUCKNER TOP-SEAL-SYSTEM provides a triple- layer protection from dirt and coolant (see the principle on page 20). The robust precision bearings have been specially designed for turning operations requiring high r.p.m. The NC series user works with high performance centres showing their class particularly when „the going gets tough“. Two types: Slim design for ease of access, minimum rolling resistance for small and medium work through low-friction bearings With extra high duty bearings for higher loads SYSTEM TOP SEAL High Performance Live Centres NC Series 1 2 3 4 5 1 2 3 4 5 Produced according to BRUCKNER WORKS STANDARD (page 8)
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