... Lubriating BearingLubricating Way: Maintenance-Free BearingBushing Material: Self-LubricationType of Lubricant: Oil-Lubricated BearingFeatures Material features:1. Allows maintenance-free and ... , JNA, JESW, JSPW, HGB250, JCBS, JCBSP, JDBS Wear Plate With Graphite