Overview Reviews Product Description Single Row Radial Ball Bearing7/8" bore x 2" OD x 9/16" Wide Shielded - 2 SidesPre-Lubricated with Grease Product Videos Custom Field Product Reviews Write a Review Write a Review × 1638-2ZZ - Shielded Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *