U604ZZ U-Groove Bearing (ID = 4mm, OD = 13mm, W = 4mm) (2 Pack)

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The U604ZZ U-groove bearings are designed for smooth, guided motion along round rods, cables, or V-slot rails. Featuring a precision-machined U-shaped groove and double metal shiel ds (ZZ), these bearings offer excellent dust protection and consistent, low-friction rotation. Ideal for linear motion systems in robotics, 3D printers, and sliding mechanisms, the 4mm bore makes them a great fit for small shafts or axles. Technical Specifications: Type: U-groove bearing, double shielded (ZZ) Model: U604ZZ Inner Diameter (ID): 4 mm Outer Diameter (OD): 13 mm Width (W): 4 mm Quantity: 2 bearings per pack Applications: Robotics, linear motion, cable guidance, 3D printers, custom mechanical assemblies Show more