uxcell 4pcs LM12UU 12x21x30mm Double Side Rubber Seal Linear Motion Ball Bearing Bushing
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uxcell 4pcs LM12UU 12x21x30mm Double Side Rubber Seal Linear Motion Ball Bearing Bushing
1.Made of  Bearing Steel material, Double Side Rubber Seal Linear Motion Ball Bearing Bushing. 2.Great for linear motion on 3D printer, cnc, and other applications. 3.These ball bearing are fitted with two rubber dust sealed to prevent ingress of dirt, water and foreign matter. 4.Bearings may require lubrication and break in period. 5.Smooth moving, low friction, high rigidity and long life. Economical, easy to maintain replace.
Specifications Product Name: Linear Bearing Package Content: 4pcs x Linear Bearing Material: Bearing Steel, Rubber Color: Silver Tone Weight: 108g Model: LM12UU Outside Diameter: 21mm Inside Diameter: 12mm Length: 30mm