NSK R4 AAZZMC3E (ZZ) Deep Groove Ball Bearing - 6.35 mm ID, 19.05 mm OD, 7.142 mm Width, Cylindrical Bore, C3 Drill America The grease-hydraulic spindle achieves a

The grease-hydraulic spindle achieves a pulling force of 20 t

One-piece solid brass construction

The Whittet-Higgins SC-23 is a two-piece (split) shaft collar machined to inch dimensions

but the lever mechanism also allows for very high forces to be applied

Suitable for bits with a 1/4" hexagon drive as per DIN ISO 1173-C 6

NSK R4 AAZZMC3E (ZZ) Deep Groove Ball Bearing - 6.35 mm ID, 19.05 mm OD, 7.142 mm Width, Cylindrical Bore, C3 Drill America The grease-hydraulic spindle achieves aDeep Groove Ball Bearing sealed design with increased clearance Deep Groove Ball Bearings are versatile and widely used bearings. They can accommodate radial loads and, to a lesser extent, axial loads in both directions. Known for their low friction and quiet operation. The sealed design provides protection against contamination. Manufactured to precision tolerance class for demanding applications. Robust steel cage construction ensures durability.