1. The rubber ring of impact idlers is made up of flame retardant rubber.
2.Stamping parts are used as bearing housing, which are machined by NC lathe;
3.The bearings are KA serial special bearing for idlers;
4.The material used for bearing shafts is high-strength 45#steel, and NC turning and grinding can ensure precision;
5.The sealing is specially designed with abilities of self-compensation, low resistance, waterproof and dustproof, which can keep bearing in good lubricated condition for a long time.