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305 Series Deep Groove Ball Bearings — Sizes & Specifications

26 models in the 305 series, 25–25.001 mm bore. Every row links to the full specification page and to the cross-reference page of that model.

ModelBrandBore d (mm)OD D (mm)Width B (mm)
305KD FS50000TIMKEN—
305KDD FS50000TIMKEN—
305KDDG FS50000TIMKEN—
305KDG FS50000TIMKEN—
305KG FS50000TIMKEN—
305P FS50000TIMKEN—
305PP FS50000TIMKEN—
305SKF256217—
305 NRSKF256217—
305-2ZSKF256217—
305-2ZNRSKF256217—
305-ZSKF256217—
305-ZNRSKF256217—
305EK1ANDGE256217—
305KANDGE256217Cross-ref →
305KDANDGE256217—
305KDDANDGE256217—
305PANDGE256217—
305PPANDGE256217—
305SANDGE256217—
305SFANDGE256217—
305SFFANDGE256217—
305SFFGANDGE256217—
305SZANDGE256217—
305SZZANDGE256217—
305KTIMKEN25.00161.99917Cross-ref →

About the 305 series

305 series bearings follow the ISO dimension plan for this family, so a given number is dimensionally interchangeable between brands - see the cross-reference to confirm. Choose the suffix for your duty: shields for dry, clean positions, contact seals for wet or dusty ones, and a larger clearance class where the fit or temperature demands it.

Other Deep Groove Ball Bearings series: 62 · 60 · 63 · 618 · 619 · 69 · 68 · 160