... widely used in building line and furniture. Pulley wheel bearings 1)Plastic pulley outer ring is made of ... POM, PP, PA, nylon), with excellent surface for sliding windows and doors 2) Inner ring is made of ... furniture (match drawer of desk and cabinet, etc), equipment (sliding door, alternation, covering, etc), copy machine, fax machine, ... equipments.Other Relative showroom display: pulley wheel bearings