... is 23mm, the crown is 0.6mm, with a good supporting arm, two groups ofΦ320 three pneumatic tire pressure device, with ... 0.5mm, with bearing 113622/113622 , and a good press arm, Φ250 two groups of cylinder pressure device, and one set ... ° ± 2 °, thickness is 20mm, equipped with 113620 bearing and support, arm, spanner positive and negative pressure device two groups. 7. dryer ...