... , bearing pedestal, stand column, bolt, and the thickness is 15mm, hardness is 95 ° ± 2 ° with bearings 312. 2. Cylinder section: ... 6. Gloss section: Φ400 × 2000 a calendar rubber roller, rubber hardness is 95 ° ± 2 °, thickness is 20mm, equipped with 113620 ... internal and external machining, surface roughness ≤ 0.4, cylinder surface hardness HB ≥ 200, equipped with 3,113,156 bearing, bearing pedestal, ...