MX ball bushings feature lubricant reservoirs
A
Misumi product story
Edited by the Engineeringtalk editorial team
Oct 15, 2008
Misumi is expanding its range of linear motion technology to include linear motion ball bearings with lubricant reservoirs.
The MX ball bushings feature a compartment that deposits lubricant via capillary action across a fibre pad onto the friction surface of the ball bearings.
The oil film is therefore permanently maintained between shaft and bearings.
A front seal on the ball bush prevents lubricant leakage.
Misumi said the long-life lubrication allows for longer maintenance intervals - a particular advantage for machines and facilities where access is difficult.
Re-greasing within the ball circuit is not necessary.
With a precise measure of lubrication on the pitch surface, the soil-free system has been designed to be more environmentally compatible.
Due to the low level of lubricant atomising, the MX ball bushings are also suitable for specific clean room applications.
In a 24h practice test , a traverse range of 470km was achieved with a normal ball bushing (LMU-12 type).
The MX version achieved around 700km more with a total of 1,168km.
This suggested that the nominal service life of the linear bushings with a lubricant reservoir is 2.5 times longer.
MX ball bushings are available both with single or double bearings, with or without flange (recessed, deep recess or centric) as well as with a circular, square or rectangular flange form.
Almost all versions are available from stock.
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