spiral roller Description of the products:
1.Dia from 63.5mm to 219mm
2.Leak-proof high
3.Stable running, long life
4.Less resistance
5.ISO/CE/BV certification
spiral roller Features:
1)Steady running, reliable quality and reduce maintenance;
2)Less movement longitudinally, rotating smoothly, extends the life span;
3)Various bearing housing and sealing structure are available for the customer's choice;
4)Multi pass labyrinthine sealing, preventing the mixed dirt and water immersed;
Specifications:
| Standard Diameter | Length scope(mm) | Bearings Type(Min-Max) | Idler’s Shell Wall Thinkness |
| mm | Inch |
| 63.5 | 21/2 | 150-3500 | 204 | 3.0mm-3.75mm |
| 76 | 3 | 150-3500 | 204 205 | 3.0mm-4.0mm |
| 89 | 31/3 | 150-3500 | 204 205 | 3.0mm-4.0mm |
| 102 | 4 | 150-3500 | 204 205 305 | 3.5mm-4.0mm |
| 108 | 41/4 | 150-3500 | 204 205 305 306 | 3.5mm-4.0mm |
| 114 | 41/2 | 150-3500 | 204 205 305 306 | 3.5mm-4.5mm |
| 127 | 5 | 150-3500 | 204 205 305 306 | 3.5mm-4.5mm |
| 133 | 51/4 | 150-3500 | 204 206 207 305 306 | 3.5mm-4.5mm |
| 140 | 51/2 | 150-3500 | 204 206 207 305 306 | 3.5mm-4.5mm |
| 152 | 6 | 150-3500 | 204 206 207 305 306 307 308 | 4.0mm-4.5mm |
| 159 | 61/4 | 150-3500 | 204 206 207 305 306 307 308 | 4.0mm-4.5mm |
| 165 | 61/2 | 150-3500 | 207 305 306 307 308 | 4.5mm-6.0mm |
| 177.8 | 7 | 150-3500 | 207 306 307 308 309 | 4.5mm-6.0mm |
| 190.7 | 71/2 | 150-3500 | 207 306 307 308 309 | 4.5mm-6.0mm |
| 194 | 75/8 | 150-3500 | 207 307 308 309 310 | 4.5mm-6.0mm |
| 219 | 85/8 | 150-3500 | 308 309 310 | 4.5mm-6.0mm |