Item Name:Ball Bearings<br />Model:MR74<br />Material:AISI 52100 Steel<br />Precision:ABEC-5<br />Vibration:V1<br />Clearance:MC0<br />Noise:Z1<br />Closure Type:Open Type<br />Inside Diameter: 4mm <br />Outside Diamater: 7mm <br />Width: 2 mm<br />Ref. S