This International Standard specifies the limiting values for the adjustment of centers of two transmission pulleys. It is applicable to — Crowned pulleys for flat belts; — Grooved pulleys for V-belts, either single, multiple or joined; — Grooved pulleys for V-ribbed belts; — Toothed pulleys for synchronous belts. NOTE — All dimensions are expressed in millimeters.
GSO ISO 155:2012 history
2012GSO ISO 155:2012 Belt drives -- Pulleys -- Limiting values for adjustment of centres