Features:
1. Chrome-plated surface, beautiful and resistance.
2. Made of aluminum alloy, stronger bearing capacity.
3. High hardness, low noise and rustproof.
4. from entering to extend the service life.
5. Precision roller, no need to lubricate.
6. Fit for silent, high-speed and precise equipment.

Specifications:
Model: SBR16UU
Material: Aluminum alloy
Quantity: 4pcs
Shaft Diameter: 16mm/0.63in
Size(L*W*H): 4.5*4.5*3.3cm/1.77*1.77*1.30in
Weight: Approx. 573g

Package Includes:
4 x Open Linear Bearing Slide

Note:
Please allow 1-3mm error due to the manual measurement. Thanks for your understanding.