3/4" x 1-5/8" x 1/2" Ball Bearing - Sealed - 0.75" ID 1.625" OD Ball Diameter - 9/16 inch (0.5625") the N stands for a

the N stands for a groove in the outer race

683-2RS Ball Bearing

S6003 Hybrid ceramic chrome steel sealed Premium ABEC-5 bearing with Si3N4 Ceramic Balls Electric motor quality

GEZ014ES-2RS Ball Bearing

6218ZZENR Nachi Bearing

3/4" x 1-5/8" x 1/2" Ball Bearing - Sealed - 0.75" ID 1.625" OD Ball Diameter - 9/16 inch (0.5625") the N stands for a88630 2RS Sealed Radial Ball Bearing 3 4" x 1 5 8" x 1 2" Double Rubber Seals One Bearing The 88630 2RS is a deep groove radial ball bearing with a 3 4" bore and 1 2" width, built for smooth operation and long service life. Featuring double rubber seals to block out dust and debris, it's pre lubricated and ready for use in mechanical, agricultural, and industrial applications. Size: 3 4" inner x 1 5 8" outer x 1 2" width Type: Deep groove ball bearing