Chain Link; 05B Chain Size; Spring Clip; 8MM Chain Pitch; Standard Chain Series; 1 Strand; Carbon Steel; ISO; 4.978MM Roller Diameter; 2.997MM Roller Width; 0.737MM Plate Thickness; 0.737MM Plate Height; Curved; 2.286MM Pin Diameter

Single Row Ball Bearing; 4MM Bore; 13MM Outside Diameter; 5MM Outer Race Width; 2 Seals; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; C3-Loose Internal Clearance; Steel Cage