Transmisiones por correas síncronas. Poleas.
ROLLING BEARINGS. NEEDLE ROLLER BEARINGS, DRAWN CUP, WITHOUT INNER RING. METRIC SERIES. BOUNDARY DIMENSIONS AND TOLERANCES.
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21.220.10 / Belt drives and their components
CTN 18 - Transmissions, bearings and gears
ISO 5294:1979 (Identical)
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Spanish