This bearing is used in the following OS MAX engines: - 40 SF - 61 RF ABC Hanno - 50 fsr-h - 46sf - fs-70 surpass - 61 sfn-h w/6b carb - 46 sf-p - fs-91 surpass - 61 sfn-h ABC W/6B Carb - 50 Baby - ft-120ii Twin - 61 rf-h - 61 SF - ft-160 Twin - 61 rf-h Pump - 61 sf-p - ff-240 4 cyl - 61 rf-hs W/Cone - 40 SF C – ffff-240 4 cyl - 61 rfn-h - 46 sf abc - ff-320 4 cyl - 61 rfn-h abc - 46 sf-p abc - 40 sf-s abc - 45 baby - 46 sf abc rev - 46 sf-s ABC - 4 5fsr-h - 61 sf abc - 61 vr-m abc - 40 baby - 61 sf abc-p - 65 vr-m abc - 61 baby - 40 vf abc - 81 vr-m abc - 46 vf abc - 65 vr-df ABC - 46 VF ABC-P - 91 VR-DF - 61 RF ABC - 91 VR-DF Small - 61 RF ABC-P - 46 SF-H