4417 models in the 72 series, 45–55 mm bore. Every row links to the full specification page and to the cross-reference page of that model.
72 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 Angular Contact Ball Bearings series: 70 · 73 · 719 · B · QJ · S · 32 · 33