uxcell 684ZZ Ball Bearing 4mm x 9mm x 4mm Double Shielded 684-2Z Deep Groove Bearings, Carbon Steel (Pack of 20)
Special Features
- Size: 684ZZ (Inner Dia.=4mm, Outer Dia.=9mm, Thickness=4mm)
- Shields on BOTH SIDES of the bearing to keep dust out. Suitable for high speed operation
- Made from Carbon Steel, durability and resistance to under heavy loads
- ABEC Tolerance 1 (P0) for most general use
- Pre-Lubricated, Easy to maintain
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