Description U604ZZ 604UU Deep Groove Ball Bearings 4mmx13mmx4mm Double Metal Shielded Carbon Steel Bearings Product description： Material: Carbon steel Groove width: 2mm Groove depth: 1mm Model: U604ZZ Quantity:1pcs This section bearing feel smooth, low noise, long service life. It is suitable for motor, toys, model, instruments and meters, electric tools, communications equipment, fitness equipment and other fields. Extruder round wheel gear fitting pulley…It’s brand new, good quality & high performance. There is 0.1-0.3mm deviation of measurement in the photo. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you for your understanding!
