... is 95 ° ± 2 ° with bearings 312. 2. Cylinder section: Φ1250mm×1950mm stainless steel cylinder mould 2 sets, including frame, bearing shells, bearing ... with internal and external machining, surface roughness ≤ 0.4, cylinder surface hardness HB ≥ 200, equipped with 3,113,156 bearing ... –roller calendar.12. One set of Φ 900 × 1800 cylinder reeling machine, equipped with bearings 113528 and three Φ157 paper ...