Slotted nut NMA 40x1.5 for ball screw fixed bearings - Bosch Rexroth R344601804

The slotted nut NMA secures the fixed bearing on the threaded journal of the screw end: it is screwed onto the M40 x 1.5 thread, clamps the bearing axially and is tightened to 55 Nm. In operation it takes axial loads up to 350 kN.

The outer diameter is 65 mm. It is locked against loosening by set screws, tightening torque 5 Nm. This version has 4 segments. It matches the Bosch Rexroth fixed bearings whose scope of delivery includes a slotted nut NMA.

Benefits

• M40 x 1.5 thread for 40 mm screw journals
• Tightening torque 55 Nm
• Axial operating load up to 350 kN
• Locked by set screw, 5 Nm
• Outer diameter 65 mm
• With 4 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.