Gravity Roller (Light Duty Roller) is widely used in all kinds of industry, like manufacturing line, assembly line, packaging line, conveyor machine and logistic strore.
| Tube Diameter D (mm) | Tube Thickness T(mm) | Roller Length RL (mm) | Shaft Diameter d (mm) | Tube Material | Surface | |
| GR38-12 | φ 37.7 | T=1.5 | 300-1200 | φ 12 | Carbon Steel | Zincorplated |
| GR42-12 | φ 42 | T= 2.0 | 300-1600 | φ 12 | Stainless Steel | |
| GR48-12 | φ 48 | T= 2.9 | 300-1600 | φ 12 | Chrome plated | |
| GR50-12 | φ 50.7 | T=1.5，2.0 | 300-1600 | φ 12 | ||
| GR57-15 | φ 56.6 | T=1.5,2.0 | 300-1600 | φ 15 | ||
| GR60-15 | φ 59.2 | T=2.0，3.0 | 300-1600 | φ 15 |
Note: Customisation is possible where forms are not available