ASME B89.1.10M pdf download DIAL INDICATORS (FOR LINEAR MEASUREMENTS) 8 GENERAL REQUIREMENTS 8.1 Materials 8.1.1 Bearings. All types ofindicators are furnished with either plain or jeweled bearings, or a combination of both. 8.1.2 Case. Dial indicator cases shall be of such strength and rigidity as to ensure free movement of the mechanism under normal shop condition. 8.1.3 Contact Points. Contact...