?Description:SHF20 20mm Linear Bearing Rod Rail Horizontal Shaft Support<br>Specification:<br> Model: SHF20<br> Material: Steel<br> Shaft Diameter: 20mm<br> Total Size: 60x37x20mm<br> Hole Diameter: 7mm<br> Hole Central Spacing: 48mm  Features:<br> Smooth moving｣ｬ low friction｣ｬ high performance and long life.<br> Used to fix the both sides of liner rail shaft｣ｬ making it work better.  Package Included:1 x SHF20 Shaft Support<br>More Details: