688Z Ball Bearing 8 x 16 x 5 mm, ABEC 1
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Prices updated: 13 Oct 2026
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About this product
A miniature ball bearing with an 8 mm bore, 16 mm outside diameter and 5 mm width, rated ABEC 1 with a 5000-6000 RPM rating. It is listed for use with the 8 mm threaded rod plate, a common motion component in 3D printers and CNC machines. Suitable for smooth rotation of rods and pulleys in compact assemblies.
Specifications
- Bore (Inner Diameter)
- 8 mm
- Outside Diameter
- 16 mm
- Width
- 5 mm
- Precision Class
- ABEC 1
- RPM Rating
- 5000-6000 RPM
Frequently asked questions
What does the Z in 688Z mean?
In standard bearing nomenclature, a single Z denotes one metal shield on one side, while ZZ denotes shields on both sides. Check the suffix when you order to match your application.
Which shaft size does it fit?
The bore is 8 mm, so it fits an 8 mm shaft or rod. It is listed for use with the 8 mm threaded rod plate.
