... formula is as follows:V= for dn/60 (1)Type: V -- surface line speed, unit: m/sD -- the sleeve bore, unit ... influence of friction surface clearance.3.2 shaft clearanceA=A1+A2+A3+A4 5.A -- gap sleeve, mmA1 -- -- ... gap, mm, its values from Figure 3 find out-- A2 -- shaft liner wall thickness change caused by gap, mm ... ,A2=K.tK: temperature rise caused by shaft wall ...