Slotted nut NMA 50x1.5 for ball screw fixed bearings - Bosch Rexroth R344601904

The slotted nut NMA secures the fixed bearing on the threaded journal of the screw end: it is screwed onto the M50 x 1.5 thread, clamps the bearing axially and is tightened to 85 Nm. In operation it takes axial loads up to 450 kN.

The outer diameter is 75 mm. It is locked against loosening by set screws, tightening torque 5 Nm. This version has 6 segments. It matches the Bosch Rexroth fixed bearings whose scope of delivery includes a slotted nut NMA.

Benefits

• M50 x 1.5 thread for 50 mm screw journals
• Tightening torque 85 Nm
• Axial operating load up to 450 kN
• Locked by set screw, 5 Nm
• Outer diameter 75 mm
• With 6 segments

Installation note

Observe the tightening torques specified by the manufacturer; the slotted nut is mounted on the screw journal together with the fixed bearing.