The model 4155L semiautomatic general-purpose Instrument is intended to be used for grading and selecting different kinds of bearing rollers
(cylindric, barrelshaped and camber).
The Instrument’s field of application is connected with the assembly of small batches of bearings having a large nomenclature.
A distinctive feature of this instrument is its automatic
possibility of resetting and adjusting itself in going from one standard size roller to another, and also its ability to provide the operator with recommendations for selecting a complete set of uniform rollers for the subsequent bearing assembly.