In 2017, the Washington Metropolitan Area Transit Authority (WMATA) was repairing a Renold TW series Gearbox. This double reduction worm drive gearbox comes factory equipped with two lip seals on the high speed shaft and the low speed shaft. These oil seals would wear out in a short time and the forced lubrication system would then but forcing the ISO-220 oil out of the housing. The WMATA requested two things of Isomag bearing isolators, stop the egress of oil, and have a seal that will last the maintenance life cycle goal.
Isomag bearing isolators met both of the customer needs and more! Isomag bearing isolators are a positive seal that also wont damage the shafts of your gearbox like lip seals. The work in horizontal or vertical up or down positions for the right angle gearboxes. Isomag bearing isolators also work perfectly in grease lubrication environments. The end user was able to say goodbye the all the diapers left sitting around their gearbox, and say hello to meeting their planned life cycle for your gearbox with Isomag bearing isolators, which are still running.
A brochure for Isomag bearing isolators for gearboxes can be found here. Also as a reminder, Isomag bearing isolators can be custom made to fit your machine. Contact our customer service team and we will help you find the ideal solution for your needs.
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