3/8 x 5/8 CERAMIC Unflanged Bearings /ABEC 9 GRADE

3/8 x 5/8 CERAMIC Unflanged Bearing. Fits Outdrives in Associated B2/B3 2.40 and GT 2.60 Transmissions. Oil Lubrication for less rolling resistance than standard grease-filled bearings. ABEC 9 GRADE: Our highest grade offered - Increased performance and durability than an ABEC 7.