Bosch Rexroth R055719654 MKK-165-NN-2

The MKK-165-NN-2 is a heavy-duty ball screw linear module from Bosch Rexroth MKK series, material number R055719654. This MKK-165-NN-2 adopts precision ball screw drive and integrated ball rail guide, size 165 frame, equipped with bellows dust cover for internal screw and rail protection. The suffix NN-2 defines standard configuration, no special modifications, generation 2 design.

This MKK-165-NN-2 features high rigidity, high feed force and positioning repeatability up to ±0.005 mm. It supports optional centralized grease lubrication, IMS-A integrated absolute measuring system, and screw support brackets for long stroke high-speed operation. The carriage has T-slots for fixture mounting, and the end side is reserved for servo motor flange, coupling and encoder installation. It can be configured with different ball screw leads according to speed and thrust requirements.

The MKK-165-NN-2 is widely used for machine tool axes, packaging equipment, test benches, automation gantries and pressing machinery. The MKK linear module series is Rexroth’s current mature linear motion platform. Many automation system integrators and maintenance teams stock the MKK-165-NN-2 as spare linear axis for machine rebuild and emergency replacement.