uxcell 12pcs U604ZZ Deep U Groove Ball Track Guide Bearing 4x13x4mm Double Metal Shielded (GCr15) Chrome Steel Bearing
Special Features
- U604ZZ (I.D.=4mm, O.D.=13mm, Thickness=4mm)
- U604ZZ bearings are shielded on both sides to keep lubricant in
- Chromium Steel long-life bearings, smooth and low noise
- ABEC Tolerance 1 (P0), Z2 Noise Level for most general use
- Number of Pack: 12Pcs
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