The bearing housings are manufactured from Extra Deep Drawn CRCA / HRCA sheets. The Bearing seating, flange diameter and back facing of the bearing housing are machined in a single setting on a CNC machine to ensure absolute concentricity.
The set of five sealing system consists of:
 Nylon-6 Multi-lip External & Internal Labyrinth Seal
 Nylon back seal to be placed at back of the bearing to avoid grease entering inside the pipe
 Metallic Dust Cover with neoprene rubber seal and
 Nylon 6 Rain Cap to prevent water and dust from entering inside the idler.
 Spring Steel Grease Seal Rings for avoiding spillage of grease from bearing.