Emerson Bearing Co. 600 Series Miniature / Instrumentation Ball Bearings 688

The 600 series is the largest of the metric style miniature / instrumentation series. The bore range of 3mm to 9mm is available with greater O.D. and width dimensions to allow for heavier duty applications ranging from stepping motors to skateboard wheels. Available with metal shields or rubber seals. Common Options: ZZ-- Two Metal Shields DD-- Two Rubber Seals EE-- Extended Inner Ring A 1-7-- Abec class 1-7 P 2-5-- Radial play in ten thousandths LO-- Lubricant: Oil LG-- Lubricant: Grease