finish/coating: Timken (Fafnir) MM55BS90 DUH Duplex Angular Contact Bearings

bore diameter::55 mm; precision rating::ABEC 7 (ISO Class 4); outside diameter::90 mm; finish/coating::Uncoated; overall width::30 mm; application::Ball Screw Support; contact angle::60 °; outer ring width::30 mm; duplex type::Back to Back; fillet radius::1 mm; internal clearance::C0;