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438 Series Tapered Roller Bearings — Sizes & Specifications

25 models in the 438 series, 44.45–438 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)
438TIMKEN—
438 - 430XTIMKEN—
438 - 432TIMKEN—
438 - 432-BTIMKEN—
438 - 432ATIMKENCross-ref →
438 - 432ABTIMKEN—
438 - 432DTIMKEN—
438 - 432DCTIMKEN—
438 - 432XTIMKEN—
438 - 433TIMKEN—
438WTIMKEN—
438W - 430XTIMKEN—
438W - 432TIMKEN—
438W - 432ATIMKEN—
438W - 432ABTIMKEN—
438W - 432DTIMKEN—
438W - 432DCTIMKEN—
438W - 432XTIMKEN—
438W - 433TIMKEN—
438/432ABTIMKEN44.4591.94829.901—
438/432ANDGE44.4595.2527.783—
438/432AANDGE44.4595.25Cross-ref →
438/432BANDGE44.4595.25—
438/438-4ANDGE44.4595.25—
438TQO580-1ANDGE438580—

About the 438 series

438 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