688 - Stainless Steel Deep Groove Radial Ball Bearing, 0.315" Bore (ID)| Double Rubber Seal (2RS)

High-Performance Deep Groove Ball Bearing 688 is a precision deep groove radial ball bearing designed for smooth rotation, reduced friction, and dependable performance in high-speed and general-purpose applications. Manufactured for durability and consistent operation, this bearing is suitable for electric motors, small machinery, tools, and mechanical assemblies. Part Number 688 Inner Diameter (Bore) 0.315 in | 8 mm Outer Diameter 0.63 in | 16 mm Width (Closed Seal) 0.197 in | 5 mm Width (Open Style) 0.157 in | 4 mm Seal Types Open (No Seal) Metal Shield (ZZ) Rubber Seal (2RS) Cross Reference L-1680DD, MR688-2RS, R-1680DD, 688.2RSJ, 688LLB, 688LLU, 688VV, 688DDU, 688RS, 628/8-2RS, 628/8-2RS1, L-1680ZZ, MR688-ZZ, R-1680-ZZ, W688ZZ, 688-2Z, 688Z, 688.2ZR, 688ZZ, 628/8-ZZ, X8ZZ, 688ZZS, W688ZZA, 609, AY9, WX8, L1680, 4462-00, 618/8, X-8, UL816, 699, 619/9, L-2090, EL-9, 609/QE6, 609Y, 9BC10