IGUBAL® bearings are designed to run with a clearance between the shaft and the inside diameter of the ball, to prevent the ball turning in the housing. IGUS® Maintenance Free 2 Bolt Plain Bearing. These very low height plain bearings can be used with rotating, oscillating and axial movements. They are maintenance free and abrasion, temperature and corrosion resistant. E10 tolerance on inside diameter (measured with plug gauge) Fit into a H7 bore for high load applications Can be used with a simple punched hole for most applications Temperatures from -40°C to +220°C (short term), 130°C (long term) possible Maintenance free, self lubricating Ideal in dirty dusty conditions