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557 Series Tapered Roller Bearings — Sizes & Specifications

22 models in the 557 series, 50.8–53.975 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)
557TIMKEN—
557 - 552TIMKEN—
557 - 552ATIMKEN—
557 - 552DTIMKEN—
557 - 552DCTIMKEN—
557 - 553ATIMKEN—
557 - 553XTIMKEN—
557-STIMKEN—
557-S - 552-BTIMKEN—
557-S - 552ATIMKENCross-ref →
557-S - 552DTIMKEN—
557-S - 553-BATIMKEN—
557ATIMKEN—
557A - 552TIMKEN—
557A - 552ATIMKEN—
557A - 552DTIMKEN—
557A - 552DCTIMKEN—
557A - 553ATIMKEN—
557A - 553XTIMKEN—
557/532ANDGE50.810736.512—
557S/552AANDGE53.975123.825Cross-ref →
557-S/552-BTIMKEN53.975123.95214.287—

About the 557 series

557 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 Tapered Roller Bearings series: EE · HM · LM · M · 320 · BT · 322 · L