Introduction to NMRN Lock Nut

Force can withstand axial loads very firmly without loosening. Therefore, nuts can bear very high loads.

All precision locking nuts can provide locking and anti loosening functions using their own parts, without the need for any other components, stop rings, or additional mechanical processing. Different series

The locking nuts used also have different anti loosening methods.

The NMRN series locking nut has a square shape and is mainly locked with angular contact bearings supported by threads. Its structure is compact, with a tolerance level of ISO 6H and a hole size of 5 to 40mm

The axial deflection of each locking nut is extremely small, allowing for precise assembly and uniform force distribution on bearings and other components. Excellent thread fitting accuracy enables the screw

Repeated assembly (tightening) and disassembly (loosening) of the mother have become possible.

In order to maximize the load capacity of the lock nut, the matching thread must have both extremely high quality and appropriate strength. The specification table lists thread accuracy based on ISO6g or higher

(4h is suitable for high-precision applications such as spindles) and rated static load and loosening torque of 690N/mm2 (10000PSI) material strength. Additionally, it is necessary to verify the tooth profile tolerance and

And the surface roughness of the mating surface (i.e. threaded surface) should not exceed 0.8 μ mRa as much as possible

Lock nut design

Sex can withstand severe impact. The locking nut adopts precision machined threads with a tolerance grade of ISO 6H