1. Roller components: Roller skin; Shaft; Bearing; Bearing housing; Sealing parts
2. Diameter: 63-219mm.
3. Length: 190-3500mm.
4. Material: Carbon steel pipe, rubber, HDPE or UHMWPE
5. Shafts diameter from 20 - 40mm
6. Shaft external length: 10-40 mm on each side or as drawing
7. Tube wall thickness: 2-5mm or more than 5mm
8. The oil loading of the shaft should be 2/3 to 3/4of the bearing gap, the space between the sealing ring should be filled.
9. Under the 500N axial pressure, the axial displacement of the idler must be less than 0.7mm.
10. The idler can work normally in the water and dust.