Overview Reviews Product Description Single Row Radial Ball Bearing 5/16" bore x 7/8" OD x 9/32" Wide Shielded - 2 SidesPre-Lubricated with Grease Product Videos Custom Field Product Reviews Write a Review Write a Review × 1603-ZZ - Shielded Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *