thread size: Smith Bearing Company CR 1-5/8-XBEC Crowned & Flat Cam Followers

roller diameter::1.6250 in; stud type::Eccentric; roller width::0.8750 in; closure type::Sealed; stud length::1.5000 in; head type::Hex; roller shape::Crowned; thread size::5/8-18; roller material::Steel; eccentric stud diameter::.8750 in; bearing element::Needle Rollers;