... .Excellent chemical resistance. 3.ROSH and ISO9001:2000 . DX, Marginally Lubricated Bearings, Yellow POM, Lead FreeMetal-polymer- ... sinter + POM with lubrication indentsLead free & Low-maintenanceFeatures1. DX Marginally Lubricated Bearings is for grease or oil lubricated applications ... under relatively high loads and low speeds.4. DX Marginally Lubricated Bearings is suitable for linear, oscillating ...