U604ZZ Deep U Groove Ball Bearings
This U604ZZ bearing is made of bearing steel material which makes it durable and resistant to deformity under heavy loads, rolling bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction. Great replacement parts extruder accessories for 3D printer to replace your broken or unworkable one.
Material: bearing steel
Inner Diameter: 4mm
Outer Diameter: 13mm
Groove Depth: 1mm
Groove Width: 2.1mm
Deep Groove Ball Bearings * 10PCS/20PCS/50PCS
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