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478 Series Custom & Special Bearings — Sizes & Specifications

9 models in the 478 series, 65.001–425 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)
47890 - 47820TIMKEN—
47896 - 47820TIMKEN—
47898 - 47820TIMKEN—
478/472-BTIMKEN65.001119.88811.095—
47890R/20KOYO92.075146.0534.925—
47896/47825-BTIMKEN95.25142.74834.925—
47896R/20KOYO95.25146.0534.925—
478981ANDGE405627.7262—
478985ANDGE425678.3880—

About the 478 series

478 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 Custom & Special Bearings series: 62 · 685 · 63 · 60 · SNV · K · BND · 697