ug212UG212-39. Ball Insert Bearing - Straht Bore, 2-716 in Bore Diam., 4.3307 in OD, Medium Duty, Eccentric Collar Locking. MI ITEM # 01508996. MFR # UG212-39. Availability: In Stock.Item # UG212-39, Eccentric Collar Locking Bearing Insert, UG200UGW200 Series. Request Information. Email This Page Download PDF Download PDF Printable Page. VIEW