Enwere roller abụọ cylindrical na-etinye n'ahịrị n'ahịrị n'otu ebe, ebe otu n'ime ihe mkpuchi rola nwere ike ibugharị na nke ọzọ na-edozi. N'ịbụ nke moto eletrik na-anya, rollers abụọ ahụ na-eme ntụgharị ihu na-abụghị nke ọzọ, nke na-emepụta ike na-eme ala iji gwepịa ihe n'etiti rollers abụọ na-etipịa; A na-ebupụ ihe ndị gbajiri agbaji nke dabara na nha achọrọ site na roller wee wepụ ya n'ọdụ ụgbọ mmiri na-ebupụta.
| Nlereanya | Φ200x75 | Φ200x125 | Φ200x150 |
| ọdụ ụgbọ mmiri/mm | 75x13 | 125x13 | 150x13 |
| Oke.Nri nri/mm | ≤13 | ≤13 | ≤13 |
| Nha mbupu/mm | 0.1-3 | 0.1-3 | 0.1-3 |
| Ọsọ mkpị (r/min) | 380 | 380 | 380 |
| Ike/(kg/h) | 300 | 450 | 600 |
| moto/kw | 1.5 | 3 | 3 |
| Netwọk arọ/kg | 165 | 235 | 240 |
| Nnukwu ibu/kg | 190 | 260 | 265 |
| Akụkụ/mm | 1170x580x700 | ||