4pcs/lot SBR20UU SME20UU 20mm open type linear case unit linear block bearing blocks for cnc router 3d printer parts

4pcs/lot SBR20UU SME20UU 20mm open type linear case unit linear block bearing blocks for cnc router 3d printer parts

Brandnan
Description
SBR20UU SME20UU 20mm open type linear case unit linear ball bearing sliding block for cnc router 3d printer parts parts Condition: Brand New
£9.58